Chronofile

Content rating
Everyone
10+
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Content rating
Everyone
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About this app

Chronofile is a personal time tracking app. All data is saved to a chronofile.tsv file on your device. This app is 100% offline and never accesses the internet - no ads, no telemetry, nothing.

- Source code: https://github.com/artnc/chronofile/
- Blog post: https://chaidarun.com/ten-years-of-logging-my-life
- Hacker News comments: https://news.ycombinator.com/item?id=29692087
Personal time-tracking app
Updated on
Jun 19, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
Learn more about how developers declare collection

What’s new

- Added map view
- Added correlation matrix and histogram charts
Content rating
Everyone
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App support

About the developer
Nachapon Chaidarun
art@chaidarun.com
United States