Multi-language speech & text translator is a unique app that lets its users translate between two languages. It include a text-speech and speech-text converter and language translator.
The app uses open source Yandex API and is capable of translating between 200+ languages.
The app source code can be re-used to create any language translator app, such as – English to Chinese Translator, Spanish to Hindi Translator, etc.
Check out a live demo app which was created with ease using this code. Chinese-English https://itunes.apple.com/us/app/chinese-english-translator/id1294112455?mt=8
The code is built on Swift3