Compare OpenTimeClock and ActivityWatch on pricing, features, platforms, and ratings — both Time Tracking tools, Freemium vs Free (open source) pricing to…
At a Glance
OpenTimeClock
ActivityWatch
Primary category
Time Tracking
Time Tracking
Rating
Not documented
Not documented
Pricing model
Freemium
Free (open source)
Starting price
Free (unlimited users); Paid plan from $39/month
Free
Free plan
Yes
Yes
Free trial
Not documented
Not documented
Platforms
Web, iOS, Android, Mac, Windows
Web, Android, Mac, Windows
Team collaboration
Not documented
Not documented
AI features
Not documented
Not documented
Public API
Not documented
Yes
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
OpenTimeClock
Free Plan — Free N/A
Paid Plan (Monthly) — $39/month Monthly
Paid Plan (Yearly) — $399/year (~$33.25/month) Annual
Sponsor Link — Free (in exchange for a homepage link) N/A
ActivityWatch
No individual plan breakdown documented yet.
Pros & Cons
OpenTimeClock
Pros
Free plan supports unlimited employees, which is rare among time-tracking competitors that charge per seat.
Paid plan is inexpensive relative to per-user competitors, especially for larger teams.
Supports multiple clock-in methods, including GPS, facial recognition, and offline mode.
Includes job costing and PTO accrual tracking typically reserved for pricier platforms.
Nonprofit-friendly pricing and a free 'Sponsor Link' option for cost-conscious organizations.
Cons
Free plan loses PDF/Excel report export after the initial 30-day trial period.
Company does not publicly disclose a physical headquarters or leadership team, which may concern due-diligence-conscious buyers.
Interface and design feel dated compared to newer, VC-backed time-tracking competitors.
Smaller integration ecosystem with payroll and HR platforms than larger competitors like TSheets/QuickBooks Time or Deputy.
Customer support is phone/email based with limited hours rather than 24/7 live chat.
ActivityWatch
Pros
Completely free with no premium tiers, usage limits, or ads
Strong privacy model — data never leaves the user's device
Open source (MPL-2.0) and extensible
Cross-platform: Windows, macOS, Linux, and Android
Cons
No official iOS app
Cross-device data synchronization is still in development
As a volunteer-maintained project, support and integrations depend on community contribution rather than a commercial team
Use Cases
OpenTimeClock
Small business payroll-ready time tracking — Small businesses use the free or paid plan to track hourly employee attendance and export data for payroll processing.
Multi-site and field-service workforce tracking — Companies with mobile or multi-location employees use GPS geofencing and offline clock-in to verify attendance away from a central office.
Nonprofit and school attendance tracking — Nonprofits and schools with large or fluctuating headcounts use the unlimited-user free tier to track staff or volunteer hours without per-seat costs.
ActivityWatch
Personal productivity tracking — Understand where your time actually goes across apps and websites.
Developer time tracking — Track time spent coding directly from your editor via plugins.
Digital wellbeing awareness — Build awareness of screen time and app usage habits.
Privacy-conscious time tracking — Track time without sending any data to a third-party server.