Track time fast with tags, widgets, heatmaps, and clear habit insights.
TimeInterval: Time Tracker — description
Track your time in seconds. Understand your habits in minutes.
TimeInterval is a private, offline time tracker that helps you see where your day really goes. Start timers quickly, organize your activities with nested tags, and review your routine with clear visualizations and detailed stats.
Whether you want to study better, work with more focus, or simply understand how you spend your time, TimeInterval helps you turn daily activity into useful insight.
Why TimeInterval
Fast time tracking Start and stop tracking with minimal friction. - One-tap tracking from the app - Home screen widgets for quick access - Launcher shortcuts for favorite tags - Quick control while you are already in the flow
Organize time your way Use nested tags to match real life. Examples: - Study > Math > Calculus - Work > Client A > Design - Health > Exercise > Running
This makes it easy to keep your tracking simple at the top level while still getting detailed breakdowns later.
See patterns clearly TimeInterval does not just collect logs. It helps you understand them. - Heatmaps to spot consistency over time - Calendar view for daily activity - Timeline view for a chronological breakdown - Time series and histograms - Tag-based summaries and hierarchy breakdowns - Weekly and monthly comparisons - Goals and habit insights
Private and under your control Your data stays with you. - Works offline - Data is stored locally on your device - Export to CSV - Backup and restore anytime
Great for - Students who want to understand study habits - Freelancers tracking focused work - Professionals balancing meetings and deep work - Anyone building routines like reading, exercise, or journaling
Use TimeInterval to - understand where your time goes - build better habits - stay consistent - make decisions based on real data
If you want a time tracker that is fast to use, easy to review, and private by default, TimeInterval is built for you.
Download TimeInterval and start using your time more intentionally.
Latest version
Version
21.0
Update
May 12, 2026
Package ID
com.ototo.watasiha.timeinterval
What's new
May 12, 2026
- Enhanced the safety of quick recording shortcuts. - Improved safety when outputting CSV files, making it easier to prevent incorrect formula execution when opened with spreadsheet software. -Improved error handling when saving/copying files. - Reviewed backup settings and internal processing to improve stability and security. - Updated the library and made it compatible with the latest environment.