Manual Camera for iPhone - Custom exposure for your iPhone camera
Subtly - Learn English with smart subtitles on movies and TV shows
Camera-M - A powerful manual camera for your iPhone
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.
Fotr - An analogue camera in your iPhone
BoldVoice - Accent coaching app for non-native English speakers