Prayly: Prayer Times, Qibla

Free mobile app for managing to-do lists with reminders, calendar, widgets, and Google Drive synchronization.

A task and reminder management app with calendar, widget support, and optional cloud synchronization (paid). The free version works well, but synchronization and backups require a premium subscription.

aCalendar is a feature-rich calendar app with Google Calendar support, flexible recurring events, widgets, and optional premium features (holidays, CalDAV sync, task management), though it occasionally experiences notification and synchronization issues.

A simple reminder app with support for recurring tasks, birthdays, and synchronization, but with frequent notification and sync issues.

An organizer app for managing daily tasks, to-do lists, shopping lists, and habits with calendar and reminders in a single interface, but with substantial advertising.

A task management and planning app with timeline/calendar functionality that enables creating, organizing and tracking tasks through lists, projects, templates and recurring tasks with notifications.

An app for creating and managing schedules for school, university, and other activities with support for synchronization, widgets, and notifications; however, it has recently experienced synchronization issues, display bugs, and frequent errors with widgets.

Offline note-taking app for notes, lists, and checklists with folders, reminders, search, and widgets. No ads, works without internet, supports photos and voice notes.