HAT (Heuristic Activity Tracker)

• The app complies with the inclusion criteria
• The app is not already listed in the repo or issue tracker.
• The original app author has been notified (I am the author).

Link to the source code: https://github.com/andromedvn/HAT

Link to app in another app store: None (GitHub releases only)

License used: AGPL-3.0

Category: Time, Productivity, Health & Fitness

Summary: A local, privacy-first time-tracking app.

Description: HAT (Heuristic Activity Tracker) is a completely passive, 100% local Android activity tracker that reconstructs your day by identifying offline gaps based on your app usage from OS data.

Features:

• Zero Telemetry: 100% offline, zero servers, zero cloud syncing. No internet permissions.
• Passive Tracking: Reads Android's native UsageStatsManager locally to construct a digital footprint without background drain.
• 100% Local SQLite: Everything is saved directly to internal storage.
• Fastlane metadata and screenshots are already included in the repository.