Diaro is described as 'Is designed to record your activities, daily events, appointments, experiences, thoughts, secrets and ideas throughout the day and sync data across all your devices. It is the easiest and most secure way to keep a diary' and is a Journaling app in the office & productivity category. There are more than 100 alternatives to Diaro for a variety of platforms, including iPhone, Android, iPad, Mac and Web-based apps. The best Diaro alternative is Joplin, which is both free and Open Source. Other great apps like Diaro are Google Keep, CherryTree, Trilium Notes and Cryptee.