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Tools
Quantified self & productivity
6 tools compared: how each is priced, where it runs, and what to consider instead.
| Tool | Pricing model | Free tier | Open source |
|---|---|---|---|
| ActivityWatch Free, open-source, self-hosted automatic time tracker that keeps all activity data on the user's own device. | Open source + paid | Yes | Yes |
| Exist Quantified-self aggregator that pulls data from fitness, sleep, mood, and productivity apps to surface correlations across all of it. | Subscription | No | No |
| RescueTime Automatic time-tracking tool that logs app and website usage in the background to score focus and productivity trends. | Subscription | No | No |
| Rize Automatic time tracker that uses AI to categorize work sessions, flag context switching, and coach focus habits. | Subscription | No | No |
| Timing Mac-native automatic time tracker that reconstructs a detailed activity timeline from app, file, and website usage. | Subscription | No | No |
| Toggl Track Manual and semi-automatic time-tracking tool with one-click timers, project reporting, and team billing features. | Free tier + paid | Yes | No |