ActivityWatch
Open-source time tracker
Left
Time as never seen
FactScore™ 0Updated February 2026
| ActivityWatch | Left | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 11 | 0 |
| Pros | 16 | 0 |
| FactScore™ | 54 | 0 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in ActivityWatch — Pros
Open source Free tier Productivity tracking Time management Cross-platform Privacy focused Active application tracking Data export Extensible Local data storage Visualization options Afk time exclusion Browser extensions Community support Editor plugins Window title trackingBoth tools — Pros
—Only in Left — Pros
No unique pros listedOnly in ActivityWatch — Cons
Design improvement needed Android app instability Complex setup Limited smartwatch integrationBoth tools — Cons
—Only in Left — Cons
—Details
| ActivityWatch | Left | |
|---|---|---|
| Categories | Productivity, Time tracking apps, Activity tracking | Time tracking apps, Data visualization tools |
| Platforms | Web · Android | Web · iOS |
| Became Popular | July 7, 2019 | January 17, 2025 |
| Website | activitywatch.net | cristianrus.me |
Who Should Pick Which?
Choose ActivityWatch if...
- Open source
- Free tier
- Productivity tracking
Choose Left if...
- No unique pros listed
With a FactScore™ of 54 vs 0, ActivityWatch leads in community reception. ActivityWatch uniquely offers Open source and Free tier, while Left stands out for No unique pros listed.
Related Comparisons
Frequently Asked Questions
Which is better, ActivityWatch or Left?
Based on FactScore™, ActivityWatch leads with a score of 54 vs 0. ActivityWatch has a higher rating of 5.0★ compared to N/A★.
What are the pros of ActivityWatch compared to Left?
ActivityWatch uniquely offers: Open source, Free tier, Productivity tracking, Time management, Cross-platform.
What are the pros of Left compared to ActivityWatch?
Left uniquely offers: No unique pros listed.
Is ActivityWatch better rated than Left?
ActivityWatch is rated 5.0★ from 11 reviews. Left is rated N/A★ from 0 reviews.
What is the FactScore™ of ActivityWatch and Left?
FactScore™ weighs rating and review volume together. ActivityWatch scores 54 and Left scores 0.
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