Fluently VS WriteWell

Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

Blurt - Compose efficiently. Edit smartly. Stay on track. Blurt is all you need to write — in one sleek tool.

Grammarly - Clear, effective, mistake-free writing everywhere you type.

Ulysses.app - A powerful writing tool for Mac, iPad, and iPhone

Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.

Haven - Personal space security app, backed by Snowden