Checkerso vs Human Benchmark
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Checkerso compared with Human Benchmark
| Detail | 
Checkerso | 
Human Benchmark |
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| What it does | Play checkers online free against the computer or a friend in your browser
| Free cognitive tests to measure and improve your mental abilities
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| Not given
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| Pricing model | Not given
| Free
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| Pricing | Not given
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| Key features | - Play against computer with three difficulty levels
- Play with a friend online via shareable link
- Two-player mode on same device
- Undo and hint system
- Works offline after initial load
- No downloads or plugins required
| - Reaction Time Test - measure response to visual stimuli
- Visual processing tests including Visual Memory, Symbol Search, and Color Blindness
- Score tracking and comparison to other users
- Leaderboard functionality
- Aim Trainer test
- Color Hue Test for color distinction
- FPS Reaction training including Gridshot, Flick, and Tracking
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| What makes it different | - No account, download, or payment required to play
- Works in any modern browser without Flash or extensions
- Plays offline after page loads using service worker
| - No signup required - tests available immediately without account creation
- Tests based on established research protocols rather than casual games
- Scores stored locally in browser with no personal data tracking or sale
- Accessible cognitive testing without requiring lab or academic credentials
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 14 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 8 |
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| Citation Flow (Majestic) | 16 | 24 |
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| Referring domains (Majestic) | 8 | 35 |
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3 details filled in for both companies.
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