It's one of less great messaging apps. Needs your phone number to work (i.e. you change sim cards, your account changes). Works only on phones, not tablets (no

It's one of less great messaging apps. Needs your phone number to work (i.e. you change sim cards, your account changes). Works only on phones, not tablets (no iPad Version). Doesn't have a web or desktop version (such as Line or iMessage).