Centered vs Clockify vs RescueTime vs SizzleAir
| Attribute | ||||
|---|---|---|---|---|
| Category | Productivity & Collaboration | Time Tracking | Time Tracking | Productivity & Collaboration |
| Pricing | Free tier | Free tier | Free tier | Paid |
| Starting price | $10/month | $3.99/month | $12/month | $7.99/month |
| Free tier | Yes | Yes | Yes | No |
| Free trial | Yes | Yes | Yes | No |
| Deployment | — | Cloud | — | — |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | — | ios, android, windows, macos, linux | — | — |
| Certifications | — | — | — | — |
| Integrations | — | — | — | — |
| Company | — | Founded 2017 | — | — |
| Feature attributes | ||||
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.