XAgo - Keep track of repeated events in your life using this iOS and Android application
Cabinet Beta - Cabinet Beta is a fast, stable, and easy-to-use file manager that allows you to easily manage your all files on the phone, SD card, and cloud, etc.
Habitica - Habitica is a free habit building and productivity application.
Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.