for prepaid users, who are able to check their balance via an dial (ussd) -
This app actually only works for android smartphones with lesser then Android
4.2 (Jelly Bean). Check your version in settings -> about the phone.
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.Download F-Droid
This version requires Android 2.2 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
directly call phone numbersAllows the app to call phone numbers without your intervention. This may result in unexpected charges or calls. Note that this doesn't allow the app to call emergency numbers. Malicious apps may cost you money by making calls without your confirmation.
run at startupAllows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.