iOS app coming soon.
You can manage your existing phone numbers, make and receive calls and send and receive SMS with your DTMF.io phone numbers using our Android app. To purchase phone numbers please use the DTMF.io website.
If you prefer to download the APK directly, use one of the links below. Version 1.9.0 was released on Sep 20, 2020. Please check back regularly for updates.
The DTMF.io Android app does not depend on Google Play Services. It requires network access, vibration and sleep prevention permission (the latter used only during calls). It also requests, but does not require, camera access (for scanning a QR code to log in), microphone access (for calls), and contacts access (for displaying contact names only — we don't transmit any of your contact data to our servers).
Build from source
The DTMF.io app is open source under the MIT license, with the source code available on GitHub. As well as Android, you can build it for iOS, Windows, Mac and Linux (voice calls are not yet supported on Windows or Linux).
Arch Linux users can also find our app on the AUR: