Compare software

reReminder vs MainTask: catalog facts
reReminder	MainTask
Free Free and open source under the GPL-3.0 license.	Free Free and open source under GPL-3.0 or later.
Android	Android
Multiple reminders with independent intervals Text-to-speech announcements	Intervals by days, weeks or months with advance reminders Optional checklists that reset when a task is done
Android only Focused on interval reminders rather than one-off tasks	Android only Small project with commit messages mostly in French
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.