NumberDex
Collect numbers. Find stories.
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$0.99
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About
Every number has a story. NumberDex turns curious numbers into a collection you can explore.
Swipe and merge tiles in number challenges. Discover special numbers, unlock cards and read the facts behind constants, powers, codes, scientific values and cultural symbols. Explore a catalog of 100 cards and try the daily quiz.
- Merge numbers and discover milestone cards.
- Collect cards about math, science, the internet, history and culture.
- Read short explanations and explore connections between numbers.
- Browse locked, unlocked and mastered cards in your Dex.
- Enjoy local sound effects, haptics and selected voice feedback.
Choose from English, German, French, Spanish, Italian, Portuguese, Japanese, Korean, Traditional Chinese and Simplified Chinese. The app starts in English; switch languages in Settings. Voice recordings are available in English and Simplified Chinese. Other interface languages use English audio.
No account, no ads and no internet connection required to play.
Privacy Policy: https://www.owlworks.top/legal/numberdex/privacy?locale=en-US
Terms of Service: https://www.owlworks.top/legal/numberdex/terms?locale=en-US
EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in NumberDex
1.1.0
September 25, 2026
Discover more numbers in your language. - Added German, French, Spanish, Italian, Portuguese, Japanese, Korean and Traditional Chinese. - English is now the default on first launch. Change language in Settings at any time. - Localized all 100 cards and improved language switching without resetting your game.
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