Top Affordable VoIP Providers in 2025: Features & Pricing

Calilio, Sonetel, Google Voice, OpenPhone, and Dailpad are the cheapest VoIP service providers offering HD voice quality, reliable connections, and minimal dropped calls with key features like call routing and forwarding.

Sonetel is a low-priced VoIP solution, offering virtual numbers starting at $1.79 per month. It offers a pay-as-you-go model for calls, with rates depending on the destination. This makes it a budget-friendly choice for businesses that don’t have a fixed number of calls to make each month and prefer the flexibility of paying only for what they use. Additionally, it provides free incoming calls in many countries.

Pros:

• Affordable Options for overseas calling.
• Simple and easy number porting process.
• Intuitive and easy to use platform.
• Cost-effective and transparent billing.

Cons:

• Some features require manual configuration, making it harder for beginners.
• The support team is sometimes slow to reply, which can be problematic at times.

Pricing Plans (per user per month):

• Basic (free)
• Premium: $9.95
• Business: $29.95

Calilio is a cheap VoIP service provider, offering flexible pricing options for businesses of all sizes. It provides three subscription packages, each including one free US phone number. Additional virtual numbers cost as little as $2 per month per user (after subscription).

Furthermore, Calilio maintains transparent pricing for international and long-distance calls. However, the exact costs depend on your call destination.

Pros:

• 24/7 customer support ensures quick issue resolution.
• HD voice technology and noise cancellation provide excellent call clarity.
• Easily integrates with existing business systems.
• Budget-friendly subscription packages.

Cons:

• Advanced features may be overwhelming for beginners.
• Team members may need regular training to keep up with updates.

Pricing Plans (per user per month): 

• Basic Plan: $12
• Business Plan: $28
• Enterprise (Custom)

(The above pricing plan is based on annual billing.)

Phone.com is a low-cost VoIP service provider, primarily targeting enterprises and small businesses. Its flexible pricing model allows businesses to pay only for the needed features, reducing unnecessary expenses. Each phone number costs $4.99 monthly, in addition to the selected plan and per-minute international rates.

Moreover, it doesn’t charge any setup fees and offers a 30-day money-back guarantee service as a trial period.
 

Pros:

• User-friendly interface, making it easy for non-technical users.
• A risk-free trial with a month's money-back service.
• Call forwarding flexibility for remote teams.
• Straightforward setup with minimal technical expertise.

Cons:

• Slow customer support.
• Occasional Fax resending errors, resulting in a redirect loop issue.

Pricing Plans (user per month):

• Basic User: $15
• Plus User: $22
• Pro User: $33

Google Voice is an affordable VoIP service, offering free calling and texting services within the USA and Canada. For international calls, the rates vary by destination. For example, calls to Australia cost $0.01 per minute, while calls to Chile cost $0.02 per minute.

Google Voice’s starter plan costs $10 monthly and supports up to 10 users. Additionally, a 14-day trial allows for testing the service before committing.

Pros:

• Free for personal use in the US and Canada.
• Seamless integration with Google Workspace tools like Gmail and Google Calendar.
• Simple number porting option.
• Personalized voicemail greetings.

Cons:

• Texting is limited to the US only.
• Group and video MMS are limited.

Pricing Plans (user per month): 

• Starter: $10
• Standard: $20
• Premier: $30

Zoom Phone offers a low-cost VoIP service, offering unlimited calling and texting for every subscribed plan. For the US and Canada, they have different pricing plans: pay-as-you-go and unlimited regional calling. The pay-as-you-go plan starts at $10, and the unlimited plan costs $15 monthly.

For international calls, it charges a per-minute rate. For example, calls to Australia cost between $0.0443 and $0.1174 per minute.

Pros:

• High uptime and excellent sound quality, ensuring reliability.
• Easily integrate with Zoom Meetings and Zoom Chat.
• Global calling options.
• Accessible on both mobile and desktop devices.

Cons:

• International pricing is unclear.
• Occasional software glitches and bugs.

Pricing Plans (/user/month):

• US & Canada Metered: $10
• US & Canada Unlimited: $15
• Pro Plus: $18.32
• Business Plus: $22.49

Dialpad is an affordable, feature-rich VoIP solution for businesses. With pricing starting at $15 per month, it offers a good balance between affordability and functionality. Additionally, a 14-day free trial helps you examine the system before purchasing.

Moreover, setting up Dialpad’s virtual phone system is quick and easy. You can use it within a minute after the setup.

Pros:

• Intuitive interface.
• Automatic call transcription for written conversation records.
• Integrates with CRM and other productivity tools.
• Team messaging and file sharing within the platform.

Cons:

• Number Porting from and to Dialpad is slow, often taking over a week.
• Some calls are marked as missed without ringing, leading to confusion.

Pricing Plans (monthly per user):

• Standard: $15
• Pro: $25
• Enterprise (custom)

OpenPhone is a cost-effective VoIP service, ideal for startups and small businesses. Its starter plan costs $15 monthly, including one local or toll-free number per user. Additional numbers cost $5 per month.

Moreover, OpenPhone provides unlimited calling and texting within the US and Canada, making it a budget-friendly choice for businesses with domestic communication needs.

Pros:

• Sends notifications via email and the app to ensure no missed calls go unnoticed.
• Allows users to create quick message templates for frequently used responses.
• Instant and simple setup process.
• Multiple users can share a single business number, facilitating teamwork.

Cons:

• Occasional call drops and glitches.
• Occasional service interruptions or downtime issues.

Pricing Plans (per user per month):

• Starter: $15
• Business: $23
• Enterprise (custom)

Here’s a comparison between the cheapest VoIP phone service providers in a table for quick insights:

When choosing a low-cost VoIP service provider, consider call quality, customer support, reliability, scalability, and security for smooth communication.

• Call Quality & Reliability: Look for HD voice technology and 99.99% uptime to avoid call drops and poor audio.
• Call Management Features: Look for essential telephony like call routing, voicemail transcription, caller ID, and call recording.
• Customer Support & Ease of Use: Choose a provider with 24/7 support and a user-friendly interface.
• Scalability: Ensure you can add or remove phone numbers and features as your business grows.
• International Calling & Add-Ons: Check rates for international calls and optional features like video conferencing.
• Security & Privacy: Look for encryption, authentication, and fraud protection to protect your communication.

Cost is one of the important factors to consider when switching to a VoIP business phone system. But, when selecting the cheap VoIP service provider, you must also ensure reliability, high-quality communication, and included telephony features. While many providers claim to be the most affordable, the true value lies in call clarity, customer support, and flexibility to scale as your business grows.
 

Yes, you can get a VoIP phone service for free from providers like Google Voice, WhatsApp, and Text now. However, most providers only include the basic features in the free version, and you may require a subscription to access advanced features.

VoIP services are cheaper because they use the Internet instead of traditional telephone lines, reducing infrastructure and calling costs.

To choose the best affordable VoIP service, consider factors like call quality, international rates, customer support, and available features. Calilio, Google Voice, and Sonetel are popular choices based on affordability and reliability.