Tired of mixing work, personal, and privacy calls on a single number? A second phone number app gives you a dedicated line on your existing device – no extra SIM or handset required.
Here are the 15 best second-phone-number apps of 2025, handpicked to simplify your communication and protect your privacy.
1. Google Voice |
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Best for: Freelancers and personal use.
Google Voice is a popular choice for a reason. It’s free for personal use and gives you a second number that works on your smartphone and the web. You can make and receive calls, send texts, and get voicemail transcripts. It’s a great option if you need a basic second number without any bells and whistles.
- Key Features: Call forwarding, voicemail transcription, spam filtering, free calls to the US and Canada.
- Pros: Free for personal use, easy to set up, and works on multiple devices.
- Cons: Limited features for business use, and no toll free phone numbers.
2. Dialpad |
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Best for: Sales teams and businesses.
Dialpad is a powerful phone number apps for business with a lot of advanced features. It’s a great choice for sales teams and businesses that need more than just a second number. With AI-powered features like real-time call transcriptions and sentiment analysis, Dialpad can help you improve your customer communication.
- Key Features: AI-powered features, CRM integrations, call routing, video conferencing.
- Pros: Advanced AI features, deep integrations with other business tools, and excellent call quality.
- Cons: Can be more expensive than other options, and the interface can be complex for new users.
3. Quo (formerly OpenPhone) |
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Best for: Small businesses and startups.
OpenPhone is designed for small businesses and startups. It’s easy to use and has all the features you need to manage your business calls. You can get a shared number for your team, record calls, and set up business hours.
- Key Features: Shared numbers, call recording, team messaging, integrations with Slack and other tools.
- Pros: User-friendly interface, affordable pricing, and great for team collaboration.
- Cons: Some users have reported issues with call quality.
4. TrueNumber |
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Best for: Individuals, small businesses, and privacy-conscious users
TrueNumber is a privacy-first communication app that lets you manage multiple phone numbers on one device. Perfect for separating personal, professional and online identities.
- Key Features: Anonymous calls, secure texts, multiple numbers, receive verification codes, auto-reply messages, custom voicemail greetings.
- Pros: Flexible and affordable, great for separating different aspects of your life.
- Cons: dvanced privacy/security perks require a premium plan.
5. Hushed |
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Best for: Privacy and multiple numbers.
If privacy is your top priority, Hushed is the app for you. It lets you create disposable virtual phone numbers that you can use for online dating, classified ads, or any other situation where you don’t want to give out your real number. You can get a second number in seconds and burn it when you’re done.
- Key Features: Disposable numbers, custom voicemails, auto-replies, and secure messaging.
- Pros: Excellent for privacy, easy to use, and flexible pricing options.
- Cons: Call quality can be inconsistent at times.
6. Burner |
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Best for: Temporary and disposable numbers.
Similar to Hushed, Burner is another great option for temporary and disposable numbers. You can create a new number for a specific purpose and then “burn” it when you’re finished. It’s a simple and effective way to protect your privacy.
- Key Features: Spam blocking, picture and text messaging, integrations with other apps.
- Pros: Easy to create and dispose of numbers, and helps you avoid spam.
- Cons: Not as many features as some other apps.
7. TextNow |
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Best for: Free calling and texting.
If you’re looking for a free option, TextNow is a great choice. It gives you a free number that you can use for unlimited calling and texting over Wi-Fi. It’s a great option for a backup number or for staying in touch with friends and family.
- Key Features: Free unlimited calling & texting, affordable international calls, and voicemail.
- Pros: Completely free to use, and you can earn credits for international calls.
- Cons: The free version is ad-supported, and you need a good Wi-Fi connection for the best call quality.
8. Line2 |
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Best for: Solo entrepreneurs and small teams.
Line2 is a reliable and feature-rich second number app that’s perfect for solo entrepreneurs and small teams. It offers unlimited talk and text, call screening, and after-hours call routing.
- Key Features: Unlimited talk & text, call screening, after-hours call routing, and a virtual receptionist.
- Pros: Affordable pricing, good call quality, and a solid set of features.
- Cons: The interface can be a bit dated.
9. Grasshopper |
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Best for: Small businesses.
Grasshopper is a virtual phone system that’s designed for small businesses. It gives you a professional business number with all the features you need to manage your calls, including vanity numbers, virtual fax, and custom greetings.
- Key Features: Vanity numbers, virtual fax, custom greetings, and call forwarding.
- Pros: Professional features at an affordable price, and easy to set up.
- Cons: No free trial for the annual plans.
10. Sideline |
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Best for: Text-based communication.
If you do a lot of business through text messages, Sideline is a great option. It has a lot of features that are designed for text-based communication, such as auto-reply, team numbers, and appointment reminders.
- Key Features: Auto-reply, team numbers, appointment reminders, and broadcast messaging.
- Pros: Excellent for text-based communication, and affordable pricing.
- Cons: Not as many calling features as some other apps.
11. eVoice |
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Best for: Entrepreneurs and small businesses.
eVoice is another great option for entrepreneurs and small businesses. It gives you a toll-free or local number with a virtual receptionist to answer and route your calls.
- Key Features: Toll-free numbers, call routing, virtual receptionist, and call screening.
- Pros: Professional features that give your business a polished image, and 24/7 customer support.
- Cons: The interface can be a bit clunky.
12. Talkroute |
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Best for: Growing businesses.
Talkroute is a flexible and scalable phone system that’s perfect for growing businesses. It has a lot of advanced features that you can add as your business grows, such as call stacking, live call transfer, and multi-digit extensions.
- Key Features: Call stacking, live call transfer, multi-digit extensions, and a virtual receptionist.
- Pros: Scalable and flexible, with a lot of advanced features.
- Cons: Can be more expensive than some other options.
13. Ooma |
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Best for: Businesses of all sizes.
Ooma is a comprehensive business phone system that’s suitable for businesses of all sizes. It has a wide range of features, including video conferencing, a virtual receptionist, and call recording.
- Key Features: Video conferencing, virtual receptionist, call recording, and a mobile app.
- Pros: A complete business communication solution with a lot of features.
- Cons: Can be more complex to set up and manage than other options.
14. Unitel Voice |
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Best for: Startups and small businesses.
Unitel Voice is a simple and affordable phone system that’s perfect for startups and small businesses. It has all the essential features you need, such as custom greetings, vanity numbers, and call forwarding.
- Key Features: Custom greetings, vanity numbers, call forwarding, and a mobile app.
- Pros: Affordable pricing and easy to use.
- Cons: Not as many features as some of the more expensive options.
15. FreedomVoice |
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Best for: Small businesses and entrepreneurs.
FreedomVoice is another great option for small businesses and entrepreneurs. It gives you a virtual phone system with a virtual attendant to answer and route your calls.
- Key Features: Virtual attendant, call forwarding, custom greetings, and a mobile app.
- Pros: Professional features at an affordable price.
- Cons: The interface can be a bit outdated.
Why You Need a Second Phone Number App
There are many benefits to using a second phone number application. Here are just a few:
- Separate your personal and professional life: Keep your work calls and texts separate from your personal ones.
- Protect your privacy: Use a disposable number for online dating, classified ads, or any other situation where you don’t want to give out your real number.
- Look more professional: A dedicated business number can make your business look more professional and established.
- Save money: A second phone number app is much cheaper than getting a second phone or a second SIM card.
How to Choose the Right Second Phone Number App
- Your needs: What will you be using the second number for? If you need it for business, you’ll want an app with business features like call routing and a virtual receptionist. If you just need it for personal use, a simpler and cheaper app will do.
- Your budget: How much are you willing to spend? There are free options available, as well as paid options with a wide range of prices.
- The features you need: Make a list of the features you need, such as call recording, voicemail transcription, or a virtual receptionist. Then, look for an app that has those features.
A second phone number app can be a valuable tool for anyone who wants to separate their personal and professional life, protect their privacy, or look more professional. We hope this guide has helped you find the perfect app for your needs.
If you’re looking for a versatile and affordable option, we encourage you to check out our own app, TrueNumber. It’s a great choice for both individuals and small businesses, and we’re confident that you’ll love it.
Frequently Asked Questions
Q: Is it illegal to have a second phone number?
A: No, it is completely legal to use a second phone number app. These services provide a legitimate, private phone line for you to use for business, online privacy, or personal organization.
Q: Can I use a second number app for verification codes?
A: It depends. While many services will work, some platforms (especially banks and certain social media sites like WhatsApp) may block VoIP numbers for security reasons. It is often a trial-and-error process.
Q: Do second number apps show up on your phone bill?
A: No. Calls and texts made through the app use your phone’s internet connection (Wi-Fi or cellular data) and are billed directly by the app provider, not your mobile carrier. Your activity will not appear on your regular phone bill.
Q: What is the safest second phone number app?
A: For maximum anonymity and privacy, apps like Hushed and Burner are designed for temporary, disposable use. For general secure use, reputable providers like TrueNumber and OpenPhone use secure servers and encryption to protect your communications.
Q: Can I use my second number across multiple devices?
A: Many services (Google Voice, OpenPhone, TrueNumber) let you link the same number to smartphones, tablets, and desktops for seamless access to your calls and messages.
Q: Can I port my existing number to a second phone number app?
A: Yes, many providers (e.g., OpenPhone, Dialpad) allow you to port in your current number so you don’t lose contacts or promotional listings
