Tom Riddle Diary is a free Android app developed by Appspain studios, falling under the Lifestyle category. The app is based on the famous dark lord Lord Voldemort's diary, which responds to any word you write. It's a fun app for Harry Potter fans, but be careful what you write because it can make Voldemort angry.

The app allows you to ask Voldemort about anything related to Hogwarts, Quidditch, or any magic tricks. You can even talk about his enemies, like Harry Potter. Tom Riddle Diary is a unique app that gives you the opportunity to talk to one of the most notorious villains in the Harry Potter universe.