Compare OpenTimeClock and Solidtime on pricing, features, platforms, and ratings — both Time Tracking tools, Freemium vs freemium pricing to decide which fits…
At a Glance
OpenTimeClock
Solidtime
Primary category
Time Tracking
Time Tracking
Rating
Not documented
Not documented
Pricing model
Freemium
freemium
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, Mac, Windows
Team collaboration
Not documented
Not documented
AI features
Not documented
Not documented
Public API
Not documented
Not documented
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
Solidtime
Solo — Free N/A
Professional — 8 euros/user/month (annual) or 9 euros/user/month (monthly) Monthly or annual
Self-Hosted (Open Source) — Free N/A
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.
Solidtime
Pros
Free and open source with the option to self-host indefinitely at no cost
Modern, clean interface compared to many legacy time tracking tools
Transparent, low-cost paid tier for teams that want a managed cloud version
Built-in invoicing and billable rate tracking suited to freelancers and agencies
Cons
Newer project, founded around 2024, with a smaller feature set and community than established competitors like Toggl or Harvest
Self-hosting requires technical setup and ongoing maintenance
Fewer third-party integrations compared to mature commercial time trackers
Company size and long-term backing are not well documented, which may concern risk-averse enterprise buyers
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.
Solidtime
Freelancer Time and Billing — Freelancers track hours per client and project and use billable rates to prepare accurate invoices.
Agency Client Time Tracking — Small agencies track time across multiple client projects with role-based access for team members.
Self-Hosted Time Tracking — Privacy-conscious teams self-host Solidtime on their own infrastructure to keep time and client data in-house.