ChessAtlas vs GameNotOver
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
ChessAtlas compared with GameNotOver
| Detail | 
ChessAtlas | 
GameNotOver |
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| What it does | Free chess opening trainer with spaced repetition
| Free online classic mini games, no sign-up or downloads required
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Not given
| Completely free with no in-app purchases or paywalls
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| Key features | - Spaced repetition with FSRS algorithm
- Repertoire builder
- Opening trainer with instant feedback
- Game import from Lichess and Chess.com
- Deviation detection
- Course library with opening courses
- iOS and Android mobile apps
- Multiple language support
| - Instant play - no install needed, open and start playing
- No sign-up, login or personal data collection required
- Worldwide leaderboards for game scores
- Playable on phones, tablets and with game controllers
- Fully localized in six languages
- Progressive Web App install to desktop or home screen
- Mobile friendly UI for touch and mouse controls
- Privacy focused with no accounts or trackers
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| What makes it different | - FSRS algorithm schedules reviews 15-30% more efficiently than SM2
- Automatic deviation detection from Lichess and Chess.com games
- Full repertoire builder in free tier with no course purchase required
| - Completely free forever with no in-app purchases or paywalls
- No sign-up required - just play instantly
- Classic games with fresh twists and worldwide leaderboards
- Works on any device without installation or downloads
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| Free plan | Not given
| 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) | 17 ▲ +1 (up) since last check | 9 ● no change since last check |
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| Trust Flow (Majestic) | 22 | 8 |
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| Citation Flow (Majestic) | 24 | 21 |
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| Referring domains (Majestic) | 34 | 8 |
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4 details filled in for both companies.
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