A free program for Android, by Bruno Piovan.

Zueiras Voice: Text to Speech is the best app for making any kind of audio or voiceover in just a few seconds. Whether you are a beginner or a pro, this app can help you. You don’t need any kind of experience or knowledge. It is very easy to use, so you can learn how to use it in no time.

There is no need to pay for the app, as it is free. It has a very simple interface, so it is very easy to use. It features an accurate text-to-audio converter for native and non-native users. Moreover, there are no character limits, so you can use it even for lengthy texts.