ChessAtlas vs Quiz Zoomies
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 Quiz Zoomies
| Detail | 
ChessAtlas | 
Quiz Zoomies |
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| What it does | Free chess opening trainer with spaced repetition
| A new quiz every day
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| Stage | 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
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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
| - Random generators for questions, trivia and countries
- Riddles and brain teasers for kids and adults with hidden answers
- Over 170 free trivia and question pages
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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
| - Every quiz video is procedurally generated from code, ensuring consistent quality and enabling the same questions to power both videos and the website
- Facts are checked against reliable references including national statistics offices and the United Nations before publication
- Completely free to play with no account or sign-up required
- Family-friendly content designed for classrooms, families and game nights
- New quiz videos published daily on YouTube, TikTok and the website
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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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +1 (up) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 22 | 6 |
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| Citation Flow (Majestic) | 24 | 12 |
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| Referring domains (Majestic) | 34 | 1 |
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4 details filled in for both companies.
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