Diary is described as 'Innovative app where you could put your personal notes or personal journals every day. It's one of the best choices out there!' and is a Journaling app. There are more than 100 alternatives to Diary for a variety of platforms, including iPhone, Android, iPad, Web-based and Android Tablet apps. The best Diary alternative is memoria — private journal. It's not free, so if you're looking for a free alternative, you could try Day One or Journey. Other great apps like Diary are Daily You, Diary Vault, Recollect and Daylio.