Duo Voice

Voice Call Application. Enjoy WiFi VoIP and eSIM mobile calling.

* LIMITED offers for new users *: Get 500 credits after registration!

Duo Voice is a free calling app that offers free full international calling and quality local and international phone calling. Use this WiFi calling app and enjoy free calling worldwide with any real mobile number without worrying about expensive bills! Call for free and get in touch with people all over the world!

(1) 100% FREE international phone call to over 230 countries or regions.

(2) +500 credits bonus for new users Multiple ways to earn app credits to make FREE phone calls. (watch videos, complete work, invite friends and more.)

(3) Duo Voice uses Internet calling (also known as WiFi calling, IP calling or VoIP calling). Call your friends WHEREVER you are while on WiFi, 3G, 4G or 5G.

(4) Worldwide server to ensure the best voice quality.

(5) Unlike international calling cards, Duo Voice does not use your cellular minutes.

You can call your loved ones without worrying about expensive bills. Download the VOIP Wi-Fi calling online app and enjoy FREE calls worldwide on any mobile and landline! Call any cell phone, local or abroad today!

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WHY USE DUO VOICE:

Free international calls

Duo Voice is a 100% FREE international calling app at no extra cost! Duo Voice can reach any mobile or landline number in over 230 countries or regions! If you want to make FREE calls to India, either FREE or at a low cost.

Clear and stable calls

Duo Voice uses real phone lines, which means we can guarantee good crystal clear voice call quality, just like phone calls from a landline! Duo Voice automatically detects and adjusts your connection speed to ensure smoother calls.

Earn credits

There are millions of ways to earn credits on our app, for example: daily check-in, inviting friends, watching ads, etc. To enjoy the best service by calling for FREE, the simplest thing is just one tap to earn FREE credits.

Quality voice call

Voice calls are sent to Duo Voice's dedicated high-quality VOIP network so you don't have to worry about poor reception, volatile calls, or dropped calls. Our system always finds the best phone line (the best voice quality) in your neighboring region when you make the call.

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Duo Voice - Connecting you to your international friends and family anywhere. Start your free or low cost or cheap calls today. Enjoy FREE Wi-Fi calling!

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Disclaimer

This app is not associated or affiliated in any way with Google

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If you have any suggestions, don't hesitate to contact us at: [email protected]