As a kid, you need age-appropriate content (4+ rated), no in-app purchases, and engaging design. Here are 1 pen pal apps ranked for you.
1,141 ratings · Free · 573 MB · 9+
Rediscover the art of heartfelt communication with Lettre: a handwriting-based PenPal / Social app exclusively on iOS. Lettre brings back the charm of handwritten letters in a modern digital format, l...