Wlingua

Simply Piano by JoyTunes

The Great Courses Plus (Wondrium)

Study Time With Rain: Pomodoro

Chinese Dictionary – Hanzii

ISS Detector Pro

VoltLab

Drops: Language Learning Games

Mimo

Brainwell – Brain Training

Lingokids – Play and Learn

Learn Japanese: HeyJapan

Lockscreen English Dictionary

PictureThis

Lotus Chess – Opening Trainer

Translate subtitles for videos (Lingvotube)

Mazii: Dict. to learn Japanese

Imprint: Learn Visually