| What it does | Master multiplication, division, addition, and subtraction facts with 2-to-5-minute daily sessions using time-aware spaced repetition.
| 2-minute reads on psychology, history, science and 25 more topics with a quiz after each one
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Free
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| Pricing | Free parent account with one child and six core packs. Monthly plan $11.99/month. Yearly plan $99.00/year. 3-year plan $189.00 billed every 3 years. All premium plans include additional children, combined packs, full fluency map, advanced progress views, personalized worksheets, and Printables Lab.
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| Key features | - Adaptive spaced-repetition engine that schedules each fact individually based on response speed and accuracy
- 2-to-5-minute daily practice sessions
- Colorful fluency map showing mastered, due, slow, missed, and ready-for-review facts
- Progress forecast showing pack mastery percentage, practice time remaining, and days to completion
- Six free core packs covering addition, subtraction, multiplication through 12, and division through 12
- Personalized weak-fact worksheets with answer keys (premium)
- Printables Lab for individually tailored worksheets (premium)
- Support for multiple children or classroom students
- Combined packs and through-24 fact packs (premium)
- Google or email sign-in with no credit card required to start
| - 2-minute reads across 28 topics including psychology, relationships, history, mythology, space, crime and dark history
- Daily reading streaks and 50 levels from Novice to Legend
- Quiz after each article to help ideas stick
- Free daily articles with no ads
- Sources cited for every article
- Topic personalization based on user interests
- Available on iOS and Android
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| What makes it different | - Uses time-aware spaced repetition that reviews facts near the forgetting curve rather than on fixed delays, maximizing retention efficiency
- Short 2-to-5-minute sessions designed to fit into actual family routines without becoming another 30-minute curriculum
- Proprietary scheduler that adapts to each child's learning pace by tracking individual fact strength rather than using fixed difficulty levels
- Supplement designed to work alongside existing school curriculum, not replace it
| - Each article is exactly 2 minutes, designed to fit into any day without hour-long courses
- Research-based content with transparent source citations
- Gamification with streaks, XP and levels to build learning habits
- No ads and free daily articles
- Small independent team focused on quality editorial work
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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) | 9 ● no change since last check | 2 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 14 | 0 |
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| Citation Flow (Majestic) | 32 | 19 |
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| Referring domains (Majestic) | 98 | 3 |
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Math Builders
Miqo