Grammarly - Clear, effective, mistake-free writing everywhere you type.
FlashTabs - Flashcards in your new tab screen
Grammar Snob - Markup your friends' iMessages like an English teacher 😁
Flashcards + AR - Learn anywhere with augmented reality flashcards ✨
Deep Grammar - Grammar checker based on deep learning
Brainscape - Find, create, and study SMART FLASHCARDS on any device. DOUBLE your learning speed using the most effective study system on the planet. Keep all your content in sync across Brainscape's website and your Android devices.