Second Phone Number Apps Review

Top 20 Second Phone Number Apps for General Consumers in the US

In today’s connected world, a second phone number can help you separate work from personal life, protect your privacy, or simply manage temporary communications. In this in‑depth review, we compare 20 of the best second phone number apps available in the US. Our comparison covers key features, pricing, usability, and device compatibility so you can choose the right tool for your needs.

Quick Comparison Table

The table below provides an overview of 20 second phone number apps. Notably, ChatOdyssey Phone Relay is ranked number 2—right after Google Voice—for its secure, encrypted relay service that also includes unlimited email relay.

App Free Version Starting Price Platforms Best For
Google Voice Yes (Free) Free iOS, Android, Web Free calls/texts in US/Canada, voicemail & spam filtering
ChatOdyssey Phone Relay Free (with free trial) $4.99/mo after trial
& includes unlimited email relay
iOS, Android, Web Secure, encrypted relay for anonymous calling and unlimited email relay
Sideline No $9.99/month iOS, Android, Web (texting) Reliable business line using carrier minutes
Burner 7-day trial $4.99/month iOS, Android Disposable numbers for privacy
Hushed No From $1.99 (prepaid) iOS, Android Privacy-focused with international options
TextNow Yes (Ad-supported) Free / $9.99/month (ad-free) iOS, Android, Web Unlimited calls/texts in US/Canada
Line2 No $15.99/month iOS, Android, Desktop Business-quality VoIP line
TextFree Yes (Ad-supported) Free / $9.99/month (premium) iOS, Android, Web Free texting and calling
FreeTone Yes (Ad-supported) Free / $1.99+ (premium) iOS, Android, Web Free calls/texts to US/Canada
Dingtone Yes (Credits-based) $0 (earn credits) or subscription iOS, Android International calls via credits
Talkatone Yes (Ad-supported) Free, with optional minute purchases iOS, Android Ideal for travel and backup calling
TalkU Yes (Credits-based) $0 (earn credits) iOS, Android Cheap international calling
Flyp 7-day trial $7.99/month iOS, Android Manage multiple numbers on one phone
Cloud SIM No (Pay-as-you-go) Varies by usage iOS, Android Multiple numbers with low international rates
CoverMe No $9.99/month iOS, Android Secure messaging with disposable numbers
Phoner Limited Free (Credits) ~$4.99/month iOS, Android, Web Anonymous calling and texting
YouMail Yes (Basic) Free / $5.99/month (Plus) iOS, Android, Web Spam blocking and visual voicemail
Numero eSIM No Contact for pricing iOS, Android International numbers for travelers
RingCentral No $19.99+/month iOS, Android, Desktop Full business phone system
iPlum No $11.99/month iOS, Android HIPAA‑compliant secure calling

1. Google Voice

Google Voice is one of the most popular free second phone number services. It provides a U.S. number that supports unlimited calls and texts within the US and Canada, along with features such as voicemail transcription and spam filtering. Accessible via iOS, Android, and web, it integrates seamlessly with your Google account.

For more details, see the Google Voice Support.

2. ChatOdyssey Phone Relay

ChatOdyssey Phone Relay offers a secure, encrypted solution for managing a second phone number. It is free with an initial trial period and then costs $4.99/month. Unique to this service is its inclusion of an unlimited email relay, which allows you to send and receive emails without exposing your personal address. This dual functionality makes ChatOdyssey Phone Relay an exceptional choice for users who value both voice privacy and secure email communications.

Learn more about this innovative service on the ChatOdyssey Phone Relay page.

3. Sideline

Sideline is designed for professionals who need a reliable second line using your carrier's network. With features such as unlimited calling and texting, custom voicemail greetings, and team number support, it’s ideal for work-related communications. Although there is no free version, its subscription starts at $9.99/month.

Learn more at the Sideline Official Site.

4. Burner

Burner offers disposable phone numbers that can be “burned” when no longer needed, making it perfect for temporary use cases like online dating or classifieds. With a 7-day free trial and subscription plans starting at $4.99/month, it lets you manage multiple burner lines for enhanced privacy.

More information is available on the Burner Website.

5. Hushed

Hushed focuses on privacy by offering both temporary and permanent second numbers, including international options. It uses a prepaid model starting as low as $1.99 and provides features like toll-free numbers, voicemail, and self-destructing messages.

Visit the Hushed Official Site for details.

6. TextNow

TextNow provides a completely free phone number with ad-supported unlimited texting and calling in North America. An optional premium plan removes ads for $9.99/month. Its multi-platform support, including a web app, makes it versatile for all users.

Check out the TextNow Website for more information.

7. Line2

Line2 is a VoIP-based service offering a full-featured business phone line on your mobile or desktop. Although it requires a subscription starting at $15.99/month, its advanced call routing, call recording, and conferencing features make it ideal for professionals.

More details can be found on the Line2 Official Site.

8. TextFree (Pinger)

TextFree offers a free second number with unlimited texting and a limited number of calling minutes. Its ad-supported model can be upgraded to premium for a better experience, making it a solid option for those looking for a free service.

Visit the TextFree Website for more info.

9. FreeTone (TextMe)

FreeTone provides free calling and texting to US and Canadian numbers, operating on an ad-supported model with an option to upgrade for ad removal. It also supports video calls and works on devices without a cellular plan.

For more details, see the FreeTone Website.

10. Dingtone

Dingtone uses a credit-based system that allows you to earn or purchase credits to make calls and send texts. It’s an economical choice for international calls and offers flexible prepaid plans.

Learn more at the Dingtone Official Site.

11. Talkatone

Talkatone provides a free U.S. phone number for calls and texts, making it a great option for travelers or as a backup. Although it is ad-supported, it offers affordable upgrades for additional minutes and features.

For further information, visit the Talkatone Official Site.

12. TalkU

TalkU operates on a similar credit-based model as Dingtone, offering extremely low rates for international calling. It’s best suited for users who don’t mind earning credits or paying a small fee to avoid them.

Check out the TalkU Official Website for more details.

13. Flyp

Flyp allows you to add multiple phone numbers on one device with a 7-day free trial followed by a subscription of around $7.99/month per number. It’s perfect for power users needing several distinct lines.

For more information, visit the Flyp Official Site.

14. Cloud SIM

Cloud SIM offers a pay-as-you-go model for managing multiple virtual numbers on a single device. It’s ideal for users who need several numbers without committing to a monthly subscription.

Learn more at the Cloud SIM Official Site.

15. CoverMe

CoverMe is a premium app focused on security. It combines a second phone number with encrypted messaging and a private vault. With plans starting at $9.99/month, it’s perfect for users who prioritize confidentiality.

Visit the CoverMe Official Site for additional details.

16. Phoner

Phoner allows anonymous calling and texting through a credit and subscription system. It offers a web interface in addition to mobile apps, making it a versatile choice for privacy-minded users.

More information is available on the Phoner Official Site.

17. YouMail

YouMail offers a free basic voicemail service with spam blocking and visual voicemail features. An upgraded plan is available for more robust calling and texting needs, making it an excellent tool for managing unwanted calls.

Visit the YouMail Official Site for further details.

18. Numero eSIM

Numero eSIM offers virtual phone numbers from over 80 countries. Although there’s no free version, it’s an excellent option for frequent travelers or international businesses needing local presence.

More details can be found on the Numero eSIM Official Site.

19. RingCentral

RingCentral is a comprehensive business phone system that offers extensive features such as call routing, conferencing, and analytics. Although it is more expensive, starting at $19.99/month, it is ideal for businesses needing robust communication solutions.

Check out the RingCentral Official Site for more information.

20. iPlum

iPlum provides a professional-grade second phone line with HIPAA‑compliant security features, including dual connectivity and call recording. With plans starting at $11.99/month, it’s perfect for businesses that require secure communications.

For further details, visit the iPlum Official Site.

Conclusion

Choosing the right second phone number app depends on your unique needs—whether it’s for work, personal privacy, or simply to avoid spam calls. Google Voice remains an excellent free option for basic needs, while ChatOdyssey Phone Relay offers a secure and encrypted solution with the bonus of unlimited email relay, all for a competitive price after the free trial. From disposable numbers with Burner to robust business features in Line2, our review covers a diverse range of apps.

Evaluate factors such as cost, device compatibility, and additional features like voicemail transcription, call recording, and international calling. With ChatOdyssey Phone Relay ranked just after Google Voice, you have a secure option to hide your personal number and enjoy unlimited email relay—a crucial feature in today’s privacy-conscious environment.

Ultimately, whether you’re a student, freelancer, or small business owner, our guide helps you navigate the crowded landscape of second phone number apps and make an informed choice.

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