Choosing a phone service provider involves considering several factors, including features, user reviews, and the reliability of customer support. Staying within budget is crucial, and for many businesses, voice-over-Internet-Protocol (VoIP) has become a cost-effective option, as it avoids expensive hardware and simplifies installation compared to traditional landlines.

To help you find the right solution, I evaluated and then ranked the cheapest VoIP phone service providers based on pricing, features, and real-world use cases.

Cheapest VoIP phone service providersBest forMonthly starting price My expert score
RingCentralLow-cost VoIP services$30 per user4.53
ZoomMetered phone plans$10 per user4.23
DialpadAutomation and AI$27 per user4.12
Phone.comPrivacy and compliance$18 per user4.00
NextivaEnterprise teams$23 per user3.93
VonageUnified communication$19.99 per line3.85
GrasshopperSolopreneurs $18 per month3.76
TechnologyAdvice is able to offer our services for free because some vendors may pay us for web traffic or other sales opportunities. Our mission is to help technology buyers make better purchasing decisions, so we provide you with information for all vendors — even those that don’t pay us.

Featured partners

Why you can trust us

AAt TechnologyAdvice, our editorial team evaluates numerous business software tools each year using a standardized methodology. For this guide, I analyzed real user reviews from third-party platforms, tested software, and attended product demos to compare pricing, features, and usability. 

I also have over a decade of experience researching and evaluating communication platforms and technology. Therefore, my aim is straightforward: to help you make confident software decisions more quickly. If you want to learn more about my evaluation criteria, visit the methodology section at the end of the article.

Comparing the cheapest VoIP phone services

“Cheap” is a somewhat loaded term commonly defined as “inexpensive due to poor quality or low value.” However, none of the vendors on this list qualify under that definition. Each of these VoIP providers, from the most comprehensive platforms to the most basic offerings, delivers a big bang for your buck. 

So, instead of thinking about the negative connotations of the word, think about how much money you can save by choosing one of the following affordable options.

RingCentral logo.

RingCentral: Best overall low-cost VoIP service

Overall Score

4.53/5

Pricing

5/5

General features

4/5

Advanced features

4.38/5

Ease of use

3.75/5

Customer support

5/5

Expert score

4.63/5

Pros

  • All plans include unmetered calls, text messaging, IVR, and visual voicemail
  • AI-powered video features, including automated meeting transcriptions and insights
  • Extensive integrations, API, and developer tool options

Cons

  • Some semi-standard features (e.g., auto call recording, advanced call monitoring, unlimited internet fax) are unavailable for entry-level subscribers
  • No unlimited option for international calls
  • Custom roles and user permissions require upgrading

Why I chose RingCentral

When reviewing RingCentral as one of the cheapest VoIP phone services, it consistently stood out to me for the extensive functionality it offers at the entry level. Even on the Core plan, it offers a strong baseline of features, like unlimited domestic calling, messaging, and built-in AI tools, without immediately pushing you to upgrade. Compared to other providers I’ve reviewed, that’s not always the case, especially when essential features are often locked behind higher tiers.

In my experience assessing VoIP features, RingCentral delivers one of the most well-rounded subscriptions for small to midsize teams, particularly those operating primarily in North America. While it’s not the most cost-effective option for businesses with heavy international calling needs, its depth of integrations and AI-powered capabilities make it a reliable choice for teams that want room to grow, especially in call center or customer support environments.

RingCentral IVR editor featuring a multi-step call flow.
Create custom call flows with the RingCentral IVR editor. (Source: RingCentral)

  • AI assistant: Enhance your video calls, conferences, and webinars with AI-powered features, including live transcriptions, automated summaries and insights, and searchable notes.
  • IVR editor: In addition to customizable call menus, RingCentral’s IVR tools allow you to visualize call flows by building phone trees and can be integrated into a variety of third-party workflow apps. 
  • Hardware options: Use some of RingCentral’s certified VoIP phones or bring your own, as several providers support BYOD.
  • Flexible functionality: RingCentral’s software offers a host of convenient features that let you reconfigure your setup and make changes on the fly, including hot desking, call monitoring, whispering, barging, and shared lines.

Plans & pricing (per user)MonthlyYearly
Core$30$20
Advanced$35$25
Ultra$45$35
Customer Engagement BundleContact sales for pricing.
Zoom logo.

Zoom Phone: Best for metered plans

Overall Score

4.23/5

Pricing

4/5

General features

4.5/5

Niche features

3.13/5

Ease of use

4.63/5

Customer support

5/5

Expert score

4.63/5

Pros

  • The Pay-As-You-Go plan is the least expensive option on this list
  • Offers domestic calling and international calling plans 
  • Can bundle VoIP services with Zoom Workplace for maximum features and savings

Cons

  • The entry-level plan meters domestic calls
  • Toll-free numbers are not included in any plan
  • Limited integration options compared to other providers

Why I chose Zoom Phone

When reviewing the most affordable VoIP providers, Zoom Phone stood out to me as the clear price leader. At just $10 per user per month for metered calling, it’s one of the lowest entry points I’ve seen across dozens of business phone systems I’ve evaluated. For small teams or startups trying to minimize costs, it delivers a reliable way to get a dedicated business line without a significant upfront investment.

From my experience comparing platforms, Zoom Phone becomes even more compelling if you’re already using Zoom Workplace. The ability to bundle voice, video, and AI tools into a single ecosystem adds meaningful value beyond basic calling. That said, I noticed that some advanced call-handling and analytics features are less extensive than those of higher-priced competitors. Still, if your priority is getting dependable VoIP service at the lowest possible cost, Zoom Phone is one of the strongest options available.

Zoom AI companion providing a summary of a text message thread.
Summarize conversations with the Zoom AI companion. (Source: Zoom Phone)

  • AI Companion: Zoom enhances your calls with automated transcripts and summaries, voicemail prioritization, workflow optimization, and more.
  • Unlimited international calling: Although it’s not included, you can upgrade to unmetered calling to more than 15 countries for a nominal fee.
  • Multi-device support: Use multiple devices and/or apps to both make and receive calls.
  • Phone-video interoperability: With the Zoom Workplace add-on, easily transfer calls to live video meetings, among other innovative integrations.

Zoom Phone plans

Plans & pricing (per user)US & CA meteredUS & CA unlimitedGlobal select
Monthly$10$15$20

Zoom Workplace + Phone plans

Plans & pricingPhone + Workplace
Pro Plus
Phone + Workplace
Business Plus
Monthly$21.99$26.99
Yearly$18.33$22.49
Dialpad logo.

Dialpad: Best for automation and artificial intelligence

Overall Score

4.12/5

Pricing

3.63/5

General features

4/5

Niche features

4.38/5

Ease of use

4.19/5

Customer support

5/5

Expert score

4.38/5

Pros

  • Includes multiple AI features, such as call transcriptions, summaries, and automated action items
  • Free and secure number porting for local and toll-free numbers
  • Team collaboration features, like messaging, video conferencing, and file sharing 

Cons

  • Internet fax is an add-on feature 
  • Additional numbers and extensions aren’t available on the base plan

Why I chose Dialpad

When evaluating VoIP providers with built-in AI, Dialpad consistently stood out to me for its early and deep investment in automation. While many platforms are now adding AI features, Dialpad has been building around conversational intelligence since 2018, and that maturity shows. In my experience reviewing these tools, it offers one of the more practical and well-integrated AI feature sets at this price point.

During my comparison, I found Dialpad especially useful for automating everyday tasks like call transcription, post-call summaries, and voice analytics. These features make it easier to stay organized and collaborate without relying on manual note-taking. I also see strong value in its free number porting, which lowers the barrier for teams switching providers. For businesses that want affordable VoIP with meaningful AI capabilities baked in, Dialpad is one of the more compelling options.

AI-powered live transcription of a call in the Dialpad app.
Get real-time transcriptions of calls with Dialpad’s AI. (Source: Dialpad)

  • Call transcription: Dialpad’s AI software provides real-time transcription features, enabling you to save time while efficiently documenting your call notes. This technology streamlines note-taking, ensuring accurate and quick documentation during conversations. 
  • HD meetings and call quality: With its dual cloud architecture and global voice network, Dialpad delivers HD-quality video conferencing and enhances audio quality for HD calls on both the mobile app and desktop. 
  • Custom call routing: No matter what type of routing you need, Dialpad has you covered with skills-based, fixed order, and automated response menus, to name a few. 
  • Real-time analytics: Each Dialpad plan includes distinct reporting features for both business phone systems and call centers. This includes sentiment analysis, call tagging, and IVR analytics. 

Plans and pricing (per user)StandardProEnterprise
Monthly$27$35Contact sales for pricing
Yearly$15$25
Phone.com logo icon in a green circle.

Phone.com: Best for privacy and compliance

Overall Score

4/5

Pricing

4/5

General features

4/5

Niche features

3.13/5

Ease of use

3.75/5

Customer support

5/5

Expert score

4.38/5

Pros

  • The platform prioritizes privacy, particularly HIPAA compliance, for both audio and video calls
  • Video conferencing functionality across plans 
  • Mix-and-match subscriptions based on user need, rather than paying the same subscription price for everyone

Cons

  • Inclusion of domestic phone numbers is limited
  • International phone numbers cost extra on every plan
  • Some “standard” features, like those offered by other competitors, require upgrading subscriptions or paying for add-ons (if available at all)

Why I chose Phone.com

Although Phone.com doesn’t have the deepest feature set on this list, it strikes a solid balance between functionality and flexibility. What stood out to me most during the evaluation was its “mix-and-match” pricing model, which lets you assign different plans to different users. In my experience, that level of customization can make a real difference in controlling costs, especially for teams with varying needs.

Another area where Phone.com stood out in my research is its strong focus on privacy and compliance. It’s one of the few budget-friendly providers that offers HIPAA-compliant communications across both voice and video. Even for businesses outside healthcare, that higher security standard can be a major advantage. If data protection and flexible pricing are priorities, Phone.com is a practical and cost-conscious choice.

Mobile phone and laptop screen displaying a phone.com video conferencing meeting.
Host video meetings using the Phone.com mobile or desktop apps. (Source: Phone.com)

  • HIPAA compliance: Audio and video communications are encrypted and HIPAA-compliant, ensuring enhanced data privacy and security.
  • Video conferencing: All users, including Basic users, can access it. While participant numbers have caps, meeting durations are not limited.
  • Voicemail features: Voicemail-to-email notifications are included with every plan, and voicemail transcription is available for all subscribers except those on the basic plan.
  • Live answer: As an add-on service, Phone.com offers live answering and attendant services for those who need them.

Plans & pricing 
(per user)
BasicPlusPro
Monthly$18$27$40
Yearly$15$22.50$33.33
Nextiva logo.

Nextiva: Best for enterprises and large-scale teams

Overall Score

3.93/5

Pricing

2.63/5

General features

4.5/5

Niche features

3.75/5

Ease of use

4.63/5

Customer support

5/5

Expert score

4.75/5

Pros

  • Live chat and chatbots are available, depending on the subscription tier
  • Includes social media management and review management (unique features in this particular list)
  • Group email, productivity tools, and other features are designed to help teams work more effectively together

Cons

  • Business integrations are an add-on feature on the base plan
  • With many key features reserved for the Engage and Power Suite plans, Nextiva is better suited to meeting the needs of larger teams (with slightly larger budgets)

Why I chose Nextiva

Nextiva is not often the first provider that comes to mind when considering cheap VoIP services, but it is one of the best providers on the market for improving customer experience. With a wealth of premium features, a legion of valuable add-ons and upgrades, and an enterprise-focused design, it’s the best fit in this list for larger teams with room in the budget to grow.

Therefore, Nextiva is my top choice for an affordable premium option, offering everything from reputation management to AI receptionists. At the same time, many of the more desirable features are only available to top-tier subscribers, unlike brands like RingCentral, which provide access to these functions at the entry-level tier. But if top-tier was where you were aiming in the first place, then Nextiva is your best bet.

Yellow background overlaid with communication channels from Nextiva's group inbox and customer photos and data from a previous interaction.
View all of your communications in Nextiva’s unified inbox. (Source: Nextiva)

  • Review management: Nextiva offers tools for managing branded social accounts and assisting with online customer feedback and reviews.
  • Unified inbox: Set up a shared inbox account for managing incoming support tickets, customer requests, and other relevant communications.
  • SMS messaging: Nextiva supports both outgoing branded messages to customers and customer-to-team messaging (e.g., text support).
  • XBert AI receptionist: Nextiva offers a live virtual assistant that can handle incoming calls, schedule appointments, and answer questions from the platform.

Plans & pricing 
(per user)
CoreEngageScale
Monthly$23$50$75
Yearly$15$25
Vonage logo.

Vonage: Best for unified communication solutions

Overall Score

3.85/5

Pricing

4/5

General features

4/5

Niche features

2.5/5

Ease of use

3.75/5

Customer support

5/5

Expert score

4/5

Pros

  • Unlimited domestic calling across plans with SMS and MMS messaging 
  • Virtual receptionist and IVR to automatically route calls through the phone system
  • Access to unified communication and collaborative tools, like team messaging and meetings

Cons

  • Most features are à la carte, which can cause additional features to add up in cost
  • Limited unified communication features on the base plan
  • More difficult to set up than other providers on this list

Why I chose Vonage

When evaluating VoIP providers that also offer unified communications, Vonage stood out to me for its flexibility. While it’s often positioned as a UCaaS platform, its VoIP foundation still delivers cost savings on hardware and calling, especially for businesses looking to modernize their phone systems. In my experience, it’s a strong option for teams that want more control over how they build their tech stack.

That said, during my comparison, I noticed that many of Vonage’s collaboration features, like team messaging and meetings, are reserved for higher-tier plans or available as add-ons. This means costs can increase quickly depending on what you need. Still, if you prefer a customizable approach, where you can choose specific VoIP and UCaaS features rather than paying for a bundled package, Vonage offers greater flexibility than many competitors.

Mobile phone and laptop screen featuring call logs and dialing from the Vonage desktop and mobile apps.
Make phone calls from the Vonage desktop app. (Source: Vonage)

  • Bring Your Own Device (BYOD): Instead of needing to start from scratch, you can use your VoIP phones or allow employees to access the phone plan using their own devices, such as smartphones, laptops, or tablets, thereby saving money on purchasing new hardware.
  • Virtual receptionist: Automate the process of answering and transferring calls using a simplified IVR that functions like a traditional front-desk receptionist. 
  • Spam Shield: Block calls and messages from unwanted numbers to keep your lines open for genuine business clients and customers, rather than spammers. 
  • Team messaging: Use the Vonage Business Communication (VBC) apps to chat with team members, share files, and collaborate on projects.

Plans & pricing 
(per line)
MobilePremiumAdvanced
Monthly$19.99$29.99$39.99
Yearly$13.99$20.99$27.99
Grasshopper logo.

Grasshopper: Best for solopreneurs

Overall Score

3.76/5

Pricing

4.38/5

General features

4/5

Niche features

1.25/5

Ease of use

4.19/5

Customer support

5/5

Expert score

3.63/5

Pros

  • Provides a dedicated business phone line without using your personal number or purchasing an additional device
  • Leverage automated greetings, professional voice talent, and caller ID to make an excellent first impression
  • Plans are designed around solo professionals and small businesses

Cons

  • No options for video calls or conferencing are available
  • International calling can only be enabled after 60 days of service 
  • Can receive faxes, but cannot send them

Why I chose Grasshopper

When reviewing VoIP options for individuals and very small teams, Grasshopper stood out to me for its simplicity. Not every business needs a full-featured phone system, and in many cases, the priority is just separating personal and professional calls without adding extra hardware. Grasshopper does this exceptionally well, offering a straightforward way to establish a professional presence with minimal setup.

During my evaluation, I found its affordability and features especially useful for solopreneurs who want to appear more established or utilize VoIP with mobile phones. That said, it’s not designed for growing teams that need video conferencing or advanced collaboration tools. If your needs expand beyond basic calling, I’d recommend looking at providers like Phone.com, which offer more robust communication features at a similarly accessible price point.

Options to create customizable auto attendant greetings in the Grasshopper app.
Create custom greetings for your calls with the Grasshopper Voice Studio. (Source: Grasshopper)

  • Virtual business line: With a dedicated business number and a full-fledged virtual phone service, you can keep your personal and professional communications separate while using the same device for both.
  • Cross-platform functionality: Use your phone, your desktop, your tablet, and more to take calls, send and receive messages, read incoming faxes, and the like. 
  • Professional custom greetings: Let your callers know you’re the real deal. You can even check out Grasshopper’s Voice Studio to have something recorded for you by professional voice actors, in English, Spanish, and French.
  • Small-team focus: Built to serve individuals and small teams, Grasshopper’s features can help you make the most of your human assets. Call forwarding, call blasting, instant response, simultaneous call handling; the list goes on.

Plans & pricingTrue soloSolo plusSmall business
Monthly$18$32$70
Yearly$14$25$55

How to choose the best cheap VoIP service

If you’ve never heard it before, let me be the first to tell you: there’s no such thing as a one-size-fits-all solution, least of all in software (so don’t let any vendor tell you otherwise).

The fact is, just as no single hat fits every head size and shape, each business has its own unique needs and circumstances. Even within the same industry, one use case can vary wildly from another. However, there are still a few common threads and overlapping factors that are worth keeping in mind if you need help guiding your search. I’ve covered some of the top priorities below in the tabs.

Although this is an article about cheap VoIP providers, since the starting price of many of these plans is so close together, it’s the number of business lines you’re paying for that will determine much of the overall cost.

If all you need is a dedicated line for your freelance business, you’re in a very different market than someone looking to connect 2,000 call center workers. Some providers serve one market better than the other, so judge accordingly.

While the cost ranges are (comparatively) close together in this market, there are some noteworthy outliers. Most providers offering affordable plans charge between $15 and $60 per line per month. Costs higher than that are entering more “premium” market ranges, and costs lower than that are rare and usually come with some pretty stiff limitations, such as metered minutes.

Now, most B2B tech has wider price differentials than that, and prices are often much higher for tools like CRMs, PM platforms, marketing automation, and the like. Even so, what seems like a slight price difference for a small team can become significant when scaling up. A choice between $20 and $40 per line per month is nominal for a team of 1 to 5 users. By the time you’re paying for 50 different lines, the gap is already $1,000 per month.

Though I’m sure we’d all like to leave terms like “long-distance” and “international calling” behind, they still occasionally come into play in contexts like this. Some VoIP providers still charge extra for international calls, and what constitutes “included” or “add-on” services can vary. This applies to both the caller and the business line that answers.

In other words, you’ll want to be aware of how your team is distributed across geopolitical boundaries. Similarly, you’ll want to know where your customers are calling you from. Because otherwise, an “affordable” solution may prove to be anything but.

Not everything in our tech stack needs to be interoperable. But some things should, and a few things must. Unfortunately, concerns about compatibility, integration, and user experience can be major deciding factors, ruling out otherwise compelling vendors. Just keep an eye out, and double-check before you sign on the dotted line.

If you need to be able to juggle calls, park them and pick them up, transfer them, switch them around, and otherwise accomplish some telephone-based wizardry, then mark that as a major priority. Most VoIP services offer some functionality in this regard, but not all do, and some require you to subscribe to higher tiers to access it.

Find out how much you’ll have to pay to get access to the advanced features you want, like intelligent routing and call flow editors, and compare that against competitors (who may include those functions standard, or at a lower price).

Methodology: How did I evaluate the cheapest VoIP phone service? 

How did I make these picks? I followed the same inquiry and due diligence process I would if I were signing up for tools like these myself. I start with an initial investigation of the prominent players in the space, based on search results, customer feedback, trusted third-party reviews and lists, and word-of-mouth recommendations.

From there, I review the websites and marketing materials of the leading candidates to understand their target markets, the promises they make, and the solutions they offer. I compare those value propositions against those of their peers and those mentioned in customer feedback to identify what’s most important to the people who are using these tools.

Then, I assemble a grading rubric based on these factors and evaluate the top contenders for a given niche. For this guide, I focused specifically on affordability and overall value, using consistent scoring criteria across all providers, including the following:

  • Pricing & plans: I compared entry-level pricing, plan tiers, billing flexibility, and the availability of free trials or low-cost options to determine which providers deliver the best value at the lowest cost.
  • Core VoIP features: I evaluated essential capabilities such as call handling, voicemail, auto-attendants, and messaging to ensure even the cheapest plans meet basic business needs.
  • Advanced & niche features: I assessed tools like AI-powered insights, call analytics, automation, compliance features (e.g., HIPAA), and customization options that add value beyond basic functionality.
  • Ease of use: I considered setup time, interface design, and overall usability to determine how quickly teams can adopt and manage the platform.
  • Integrations & compatibility: I reviewed how well each provider integrates with common business tools, including CRMs, collaboration platforms, and help desk software.
  • Customer support & reliability: I looked at support availability, service reliability, and user-reported experiences to gauge long-term dependability.

I also incorporated real-world insights from product demos, user reviews, and hands-on exploration where possible to better understand how these platforms perform in everyday business scenarios.

The rest is pretty straightforward, as I take those results and render them in a much more readable form, which is the guide you see above.

Which cheap VoIP service is best for your business?

Ultimately, what’s best for your business will depend on what you truly need. Each provider on this list offers specific benefits that will appeal to different types of businesses as well as particular industries and standards. 

While I chose RingCentral as the all-around best option for a low-cost VoIP service, if price is a priority, then select Zoom Phone for its $10-per-month subscription fee or Grasshopper for its solopreneur plans. However, if customer experience is more important than the lowest price, choose Nextiva for its small-business and enterprise plans. 

If you’re in a regulated industry like healthcare, Phone.com is your best bet. But if you want the option to expand into automation and artificial intelligence, consider Dialpad and Vonage. Either way, the choice is yours.

Frequently asked questions (FAQs)

That depends on the minimum core functionality you need for your business. As long as a single VoIP line serves you well and you don’t mind metered minutes, the least expensive option on our list is Zoom Phone. But Phone.com and Grasshopper are also great options for solopreneurs and small teams.

VoIP is somewhat hard to come by for free. Some solutions will call themselves free, but like a mobile game with a bad user experience, you won’t get very far before they start shaking you down. A few offer truly free VoIP services, though these options still tend to have frustrating limitations, such as user caps and metered usage.

In short: yes. Like any phone service, it’s difficult to make or receive calls without a carrier. That’s also true for VoIP. There are some partial workarounds, such as relying heavily on email and video calls. 

However, all of them share one major flaw: they lack a public-facing avenue for customers to stay in contact. A phone number can be listed on GMB, for instance, and anyone with a phone can reach you. Even sending an email requires a few extra steps beyond that.