ChessAtlas vs My 9 Maker
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 My 9 Maker
| Detail | 
ChessAtlas | 
My 9 Maker |
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| What it does | Free chess opening trainer with spaced repetition
| Create a 3×3 grid of the nine games, movies, anime or books that shaped you and share it as one image
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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
| - Search and pick from multiple categories: games, anime, movies, characters, manga, albums, songs, books
- Drag and drop reordering of items
- Download as 1080×1598 portrait image
- Share directly from phone
- No account or watermark required
- Browser storage saves drafts automatically
- Works on mobile and desktop browsers
- Export as forum code (BBCode or Markdown)
- Data from multiple public APIs
- Pre-made themed guides for quick starts
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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
| - Multiple content categories beyond games, including anime, movies, books, manga, music
- Completely free with no account required
- Data automatically saved in browser, no server storage
- Based on the original Japanese social trend
- Instant sharing to X, Instagram, Threads, Reddit with hashtag integration
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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 | 10 ▼ −2 (down) since last check |
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| Trust Flow (Majestic) | 22 | 7 |
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| Citation Flow (Majestic) | 24 | 19 |
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| Referring domains (Majestic) | 34 | 12 |
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4 details filled in for both companies.
More alternatives to ChessAtlas More alternatives to My 9 Maker