10 Best Business Phone Apps and Their Comparison for 2025

Balancing business and personal calls on a single phone is a recipe for disaster. Missed calls, accidental personal greetings to customers, and general confusion are just a few of the pitfalls. Luckily, there’s an easy solution: business phone apps.

These calling apps offer their own business line, powerful features, and the freedom to work from anywhere on your existing device. Whether you’re a solopreneur or leading a team, the right business phone app will ramp up your communication and delight your customers.

But how do you choose the right app for your business? We’ve reviewed the 10 best business phone apps and analyzed their features, pricing, and pros and cons to help you choose the app that’s not only making waves in 2025 but also works best for your business needs.

Top 10 Business Phone Apps

1. Nextiva
2. Sideline
3. Unlisted
4. 1-VoIP
5. Banter.io
6. RingDeck
7. GenVoice
8. Phone Wire
9. Netlines
10. Vonix.io

Key features to consider

Before we get into the reviews, let’s look at some essential features when choosing a business phone app:

• Dedicated business line: A separate number for work calls maintains professionalism and work-life balance.
• Call management: Features like call forwarding, call routing, voicemail transcription, and auto-attendant organize your communication and improve work efficiency.
• Texting and messaging: SMS and in-app messaging options enable quick and easy communication with clients and colleagues.
• Integrations: Built-in integration with your CRM, calendar, and other business tools increases productivity.
• Mobile and desktop apps: The ability to use the app on both your smartphone and computer offers flexibility and convenience.
• Pricing: Consider the pricing structure, including monthly fees, per-user costs, and additional charges for features or usage.

Best Business Phone App: Comparison and Features

If you’re short on time, here’s a quick comparison of the five best business phone apps:

Feature	Nextiva	Sideline	Unlisted	1-VoIP	Banter.io
Pricing for business plan	From $30/month per user	From $14.99/month	From $13.99/month per number	From $14.97/month per line	From $10/month per line
Operating system	iOS, Android, Desktop	iOS, Android	iOS, Android	(Integrates with third-party apps)	iOS, Android, Desktop
Numbers available	Local and toll-free	Local	Local	Local and toll-free	Local and toll-free
Porting of existing number	Yes, including bulk porting	Yes	Yes	Yes	Yes
Auto attendant	Yes	No	No	Yes	Yes
CRM integration	Yes	No	No	No	Yes
VoIP technology	Yes	No (VoIP option available)	Yes (non-VoIP option available)	Yes	Yes
Channels available	Phone calls, video conferencing, instant chat, SMS	Phone calls and SMS	Phone calls and SMS	Phone calls, virtual fax	Phone calls, SMS, virtual fax
Additional numbers	Unlimited	One additional	Unlimited	Unlimited	Unlimited
Customer support	24/7 phone, email, chat	Email, Help Center	Email, Help Center	24/7 phone, email	Email, Help Center

1. Nextiva

Nextiva’s softphone app allows users to call, text, instant chat, or video conference with a single click. Users can also seamlessly move from the mobile app to the desktop app, making it great for on-the-go calls, working remotely, or from their desktops in the office.

Nextiva contact center provides a suite of business phone features with every plan. These features streamline your communications with one easy-to-use app, making it the best choice for most businesses.

At Nextiva, we’ve handled billions of phone calls for 100,000+ companies and helped countless users connect reliably on every device. In short, we know what small businesses, SMBs, and enterprise teams need in a VoIP phone system.

Nextiva features:

Nextiva offers the following key features:

• Advanced call management: IVR auto attendant, call routing, call forwarding, call parking, and more.
• Integrated communication: Combine phone calls, video conferencing, and instant messaging in a single platform.
• Local and toll-free numbers: Customers don’t have to pay a fee when they reach your business. A vanity number also increases the credibility of your business.
• Virtual phone number: Use a virtual phone number with Nextiva’s business phone app. Maintain a professional presence without needing a traditional desk phone and phone line.
• Custom caller ID: Build a trusted presence with your customers and increase response rates.
• CRM integrations: Connect with popular CRMs like Salesforce and HubSpot.
• Productivity tools: Voicemail transcription, call recording, and call analytics save you time and offer key customer insights.

Nextiva pros:

• Wide range of features, including virtual meetings, video conferencing, and team collaboration (including creating “rooms” to share ideas with multiple teammates).
• User-friendly interface and easy setup
• Reliable phone call quality and customer support
• Integrations with popular productivity apps like Google, Salesforce, and Zendesk

Nextiva cons:

• Premium features may cost more than plans with cheaper providers
• No free trial

Nextiva pricing:

• Core plan: $30/month
• Engage plan: $40/month
• Power Suite: $60/month

Nextiva is best for: Businesses that need a feature-rich, reliable communications solution with advanced call management and integrations, especially those requiring internal collaboration features.

The best business phone app your team needs: Nextiva

Instant setup. No tech hassles. Uncompromising VoIP features. Stay connected with your team and customers with Nextiva.

Check it out

2. Sideline

“It seemed to work well at the beginning and was good for the price, but things deteriorated over time, causing a lot of problems with my not getting back to customers whose messages got lost in Sideline cyberspace.”

~Verified reviewer, Capterra

Sideline is a popular choice for individuals and small businesses seeking a simple and affordable way to add a second phone number to their existing device. It’s a good option for those who need to separate business and personal communication without the complexity of a full-fledged VoIP system.

Sideline features:

Here are some of Sideline’s key features:

• Second phone number: Get a dedicated business line with your choice of area code.
• Business texting: Send and receive SMS messages with clients and colleagues.
• Auto-reply: Automatically respond to missed calls with a customized text message.
• Team number: Share a single business number across multiple devices for team collaboration (available on higher-tier plans).

Sideline pros:

• Affordable pricing, especially for solopreneurs and small teams.
• Good call quality and reliable connection using your carrier network.
• User-friendly interface and easy to set up.

Sideline cons:

• Limited features compared to other business phone apps.
• Relies on your carrier network, so call quality can be affected by your cellular signal.
• Some users have reported occasional issues with missed calls and login problems.

Sideline pricing:

• $14.99/month

Sideline is best for: Small businesses that need a simple, affordable business phone app to use their phones for calls and text messages and don’t need advanced features or integrations.

3. Unlisted

“My phone never drops calls or has audio issues. But this app sure does. Worst part is, if I leave a message, no way of knowing if this app shorted out and the person didn’t get it.”

~Mikron88, Apple App Store

Unlisted caters to privacy-conscious users and businesses that require multiple phone numbers for various purposes. It lets you add as many numbers as you need to your device and offers flexibility in choosing your area code.

Unlisted features:

Some top features of Unlisted include:

• Multiple phone numbers: Add unlimited numbers to your device for different business or personal needs.
• Area code selection: Choose a local or different area code based on your target audience or location.
• VoIP or relay calling: Use Unlisted’s built-in VoIP service or route calls through your carrier network.
• Availability settings: Set your availability and automatically send calls to voicemail during specific times.

Unlisted pros:

• Anonymous calling and texting for enhanced privacy.
• Cost-effective annual plans for users with multiple numbers.
• Flexibility in choosing area codes and call routing options.

Unlisted cons:

• Some users have reported inconsistent call quality and occasional dropped calls.
• Limited features compared to more comprehensive business phone apps.
• No advanced features like auto-attendant or integrations.

Unlisted pricing:

• Monthly: $13.99/number/month
• Annually: $99.99/number/year

Unlisted is best for: Businesses that prefer the option to use either VoIP or their carrier network for calls.

4. 1-VoIP

“This company takes customers of any size and offers some additional perks that few others openly promote. One frustrating aspect of the site is the lookup feature for International calling. Try it very well before buying it.”

~Lissett D., G2

1-VoIP is a versatile provider offering both residential and business VoIP solutions, including SIP trunking for businesses with existing phone systems. While it doesn’t have its dedicated softphone app, it integrates with various third-party apps, giving you flexibility in choosing your preferred calling interface.

1-VoIP features:

Some of the app’s key features include:

• Digital call forwarding: Forward calls to other numbers based on your preferences.
• Softphone compatibility: Use any SIP-compatible softphone app on your computer or mobile device.
• Do not disturb mode: Silence calls when you need uninterrupted focus.
• 24/7 support: Access U.S.-based customer support around the clock.

1-VoIP pros:

• Affordable plans for small businesses and individuals.
• 24/7 customer support based in the U.S.
• Offers SIP trunking for businesses with existing phone systems.

1-VoIP cons:

• Doesn’t support video conferencing
• Doesn’t integrate with other software like Google or Salesforce
• Some users mention hidden fees that increase the final sale price

1-VoIP pricing:

• Business VoIP: From $14.97/month, plus $0.02/minute
• SIP Trunking: From $29.97/month

1-VoIP is best for: Price-conscious businesses that need a reliable VoIP solution without advanced features or SIP trunking services to connect their existing phone system to the internet.

5. Banter.io

Banter.io offers a unified voice, text, and fax tool for its users. Its text messaging feature enables businesses to engage in SMS marketing, while its voice and fax tools allow for a more familiar business phone experience. Users get unlimited calls and text capabilities, browser calling, app integrations, and more.

Banter.io features:

The key features of Banter.io include:

• Unified communication: Combine voice calls, SMS messaging, and faxing in one app.
• SMS marketing: Engage in SMS marketing campaigns and automate text message responses.
• App integrations: Connect with over 2,000 apps through Zapier integration.
• Virtual phone system: Access your business phone system on an unlimited number of devices.

Banter.io pros:

• Extensive business app integrations.
• Powerful SMS marketing features for reaching customers via text.
• Flexible virtual phone system accessible on multiple devices.

Banter.io cons:

• Relatively limited knowledge base
• Limited community and few third-party reviews or feedback

Banter.io pricing:

• Standard: $9.99/line/month
• Enterprise: Custom pricing for enterprise-level calling packages.

Banter.io is best for: Businesses that want to integrate SMS marketing with their phone system and require a wide range of app integrations.

6. RingDeck

“Additionally, messaging on the app is very clunky, you have to keep refreshing it to be able to see new messages. Very disappointed.”

~Owen Deen, Google Play Store

RingDeck is a straightforward business phone app that provides the essentials for separating work and personal calls. It’s a decent option for solopreneurs and small businesses that need a dedicated business line without the bells and whistles of more advanced systems.

Ring Deck features:

Ring Deck’s key features include:

• Local and toll-free numbers: Choose a local or toll-free number for your business.
• Mobile and desktop apps: Manage calls from your smartphone or computer.
• Multiple numbers: Add up to 50 additional numbers to your account for a monthly fee.

Ring Deck pros:

• Includes toll-free numbers in its pricing plans.
• Affordable option for adding multiple numbers to your account.
• Simple and easy-to-use interface.

Ring Deck cons:

• Some users report issues with logging into the app
• Per-minute billing can get expensive as your business grows
• Limited features and integrations compared to other business phone apps.

Ring Deck pricing:

• Local number with 1000 minutes: $20/month
• Local number with 5000 minutes: $30/month
• Local number with 10,000 minutes: $40/month
• Toll-free number: $5/month plus $0.02/minute

RingDeck is best for: Businesses that need a basic business phone app with low to moderate call volumes.

7. GenVoice

“GenVoice helped us set up a new cloud business phone system with five users, one Fax to Email and one free conference room. It helps us save a lot. Their technician and customer service teams are always available to handle our requests.”

~William Wood, Google

GenVoice offers a cloud-based VoIP service with a decent range of features for small to medium-sized businesses. It provides the standard call management features you’d expect, along with integrations with major CRMs and a user-friendly softphone app.

GenVoice features:

Some of the app’s top features include:

• Local and toll-free numbers: Toll-free, local, and global business phone number functionality for receiving international calls.
• Business hour routing: Automatically route calls differently during and outside business hours.
• CRM integrations: Connect with popular CRMs to manage your contacts and customer interactions.
• Standard VoIP features: Call forwarding, call waiting, call parking, and more.

GenVoice pros:

• Unlimited extensions on all plans for growing teams.
• Standard VoIP features for efficient call management.
• The ability to add international virtual phone numbers.

GenVoice cons:

• Doesn’t support video conferencing or more advanced collaboration features.
• Limited integrations with other business applications.

GenVoice pricing:

• Basic: $20/user/month
• Team: $25/user/month
• Enterprise: $35/user/month

GenVoice is best for: Small to medium-sized businesses that don’t require video conferencing or extensive app integrations.

8. Phonewire

Phone Wire provides a hybrid approach to business phone systems, offering both complete VoIP solutions and integrations with existing landlines. This flexibility makes it suitable for businesses with diverse communication needs.

Phonewire features:

Some of Phonewire’s unique features include:

• Call queuing: Place callers in a queue and provide estimated wait times.
• Blacklist/whitelist: Control incoming calls by blocking or allowing specific numbers.
• Call-to-email: Receive missed call notifications and voicemail transcriptions via email.
• Hybrid solutions: Choose between a full VoIP system or integrate with your existing landline.

Phonewire pros:

• Advanced call routing rules to direct calls efficiently.
• Hands-on customization and support to help you choose the right system.
• Flexible solutions to accommodate various business needs and existing infrastructure.

Phonewire cons:

• Pricing information is not readily available and requires contacting the company.
• Limited geographic availability for local installations and support.

Phonewire pricing:

• Contact Phone Wire for pricing details.

Phone Wire is best for: Businesses that need a customizable phone system with advanced call routing and the option to integrate with existing landlines. It’s also suitable for those who prefer a hands-on approach to setup and support.

9. NetLines

“Honestly very disappointed with NetLines. The customer service was not friendly and not helpful. But I will say that it does work and I use it for my business.”

~Verified reviewer, Apple App Store

Netlines is a budget-friendly business phone app that offers more features than some of its similarly priced competitors. It includes an auto-attendant, video conferencing, and call recording, making it a decent choice for small businesses looking for value.

Netlines features:

Netine’s key features include:

• Second business line: Add a dedicated business line to your existing device.
• Auto-attendant: Route calls to the appropriate department or individual.
• Call management: Call forwarding, screening, recording, and blocking.
• Video conferencing: Conduct video meetings with clients and colleagues.

Netlines pros:

• One of the most affordable business phone app options available.
• Includes advanced features like auto-attendant and conference calling.
• Offers both monthly and annual billing options.

Netlines cons:

• Some users have reported limited customer support responsiveness.
• Occasional bugs and glitches within the app have also been reported.

Netlines pricing:

• Annually: $9/month + $4.50/month per additional user
• Monthly: $10/month + $5/month per additional user

Netlines is best for: Budget-conscious small businesses that need a basic phone system with some advanced features like auto-attendant and video conferencing and don’t require extensive integrations or support.

10. Vonix.io

“The quality of the calls is much better than our previous provider. The cost is lower than our previous service provider. It is always a process of changing providers but we were able to schedule a time when it would least impact our office and Vonix was able to get it done within the allotted time.”

~Paul Daley, Google Review

Vonix.io offers a cloud-based phone system focusing on voice and messaging features. It includes unlimited calling in North America, business texting, and team chat, making it a good option for businesses that communicate extensively within their team and with clients.

Vonix.io features:

Some of the app’s top features include:

• Unlimited calling: Make unlimited calls within North America without extra fees.
• Business texting: Send and receive SMS messages with clients and colleagues.
• Team chat: Communicate and collaborate with your team through in-app chat.
• Social media posting: Post to your social media channels directly from the Vonix.io app.

Vonix.io pros:

• Affordable plans compared to other providers with similar features.
• Reliable phone service and helpful customer support.
• Offers team chat and social media posting for enhanced communication.

Vonix.io cons:

• Some customers say the implementation process was less smooth than expected
• Lacks integrations with major platforms like Google or Salesforce

Vonix.io pricing:

• Basic: $19.99 per user, per per-month, plus taxes and fees.
• Pro: $29.99 per user, per month, plus taxes and fees.
• Team: $39.99 per user, per month, plus taxes and fees.
• Enterprise: If your team needs a more robust plan, speak to a sales representative.

Vonix.io is best for: Businesses that prioritize team communication and collaboration and want to manage their social media presence alongside their phone system.

Business Phone App Honorable Mention: Zoiper

Zoiper is a universal VoIP app. It works with many VoIP providers, including Nextiva.

Instead of using proprietary software, you can connect Zoiper with your phone provider or to a SIP trunking provider, which is handy for testing connectivity.

Zoiper is a good option for technical teams that want more control over their VoIP system than what’s provided by default.

Choosing the Right Business Phone App

Your needs, budget, and priorities matter when choosing a business phone app. Consider the following factors to pick that best fits your business:

• Solopreneurs: Sideline, Unlisted, or RingDeck might be good options for their simplicity and affordability.
• Small teams: Nextiva, Banter.io, or Vonix.io offer a good balance of features and value.
• Integrating with CRMs: Nextiva and GenVoice offer strong integrations with popular CRMs.
• Advanced features: Nextiva and Phone Wire provide advanced call management and customization options.
• Budget-conscious: Netlines and 1-VoIP offer the most affordable plans.

Why Should You Go with Nextiva’s Business Phone App?

Having a reliable, flexible, and feature-rich business phone app is important for any growing business, but not just any provider will do.

Over 100,000 businesses across the U.S. choose Nextiva contact center solution as their VoIP provider. With more than 40 features in one easy-to-use, comfortably priced business phone app, Nextiva makes communication with customers seamless and enjoyable.

Nextiva also provides businesses with a virtual phone number that allows companies to manage calls from various devices, including smartphones, laptops, and desktop computers.

If your team is struggling to increase productivity across multiple desktop and mobile apps, don’t worry! Nextiva gives you the tools your team needs to communicate and collaborate on the go, all from a single app.

To get started, visit our pricing page for a complete breakdown of each plan and a transparent view of its features. Nextiva is your all-in-one communication tool.

The best business phone app your team needs: Nextiva

Instant setup. No tech hassles. Uncompromising VoIP features. Stay connected with your team and customers with Nextiva.

Check it out