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TimeTagger vs TimeTracker: catalog facts
TimeTagger	TimeTracker
Freemium Self-hosting is free; the hosted service is paid after a 14-day free trial.	Free Free under GPL-3.0; an optional purchased key hides donation prompts.
Web, Self-hosted	Web, Self-hosted
Interactive timeline for quick insight into spent time PDF and CSV reports suitable for client billing	Time tracking and invoicing in one tool Peppol and ZUGFeRD e-invoicing support
Hosted service requires a paid subscription after the trial Pomodoro feature is experimental	Large feature set can feel heavy for simple use Shows donation prompts unless a key is bought
Web application, Self-hosted, Hosted service	Self-hosted
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
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.