Katachi - Shape Reflex Puzzle
atsuko imai Games iPhoneiPadiPod touch
Katachi - Shape Reflex Puzzle is a free Games app for iPhone and iPad by atsuko imai. Requires iOS 17.0. Updated May 19, 2026.
- Price
- Free
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- May 19
- 2026 · v2.1
Screenshots
About Katachi - Shape Reflex Puzzle
〔What is Katachi?〕 Shapes stream across the screen — circles, triangles, squares, stars — in four directions and five colors. One rule: tap only the ones that match the prompt. Sounds simple. Gets real fast. 〔Four Ways to Play〕 · 10-Question Challenge — Four difficulty levels (Easy to Expert) plus negation prompts ("tap everything except…") keep every session fresh · Daily Challenge — 10 questions shared worldwide each day. Track your streak and share results Wordle-style · Endless Mode — Survive as long as you can. No mercy. · 200 Levels — A long-form progression that grows with you 〔Brain Age〕 Your reaction speed is measured and converted into a brain-response age (15–80). Play daily to push it younger. 〔Built with care〕 · 80 prompt patterns (4 shapes × 5 colors × 4 directions) · Detailed stats with Swift Charts · Dark mode and color-accessibility support · No internet required (except ads) · Zero personal data collected 〔Privacy〕 All gameplay data stays on your device. No account needed. Privacy Policy: https://kazusa703.github.io/privacy.html Terms of Use: https://kazusa703.github.io/terms.html Support: https://kazusa703.github.io/support.html
What’s new
Version 2.1 · Updated May 19, 2026
・Redesigned the Home screen and overall UI with a calmer, more focused look. ・Improved recommended levels based on your recent play. ・Added clearer session feedback and mistake reasons in result details. ・Improved localization and overall stability.
App privacy
The developer, atsuko imai, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
Used for: Third-Party Advertising
Alternatives to Katachi - Shape Reflex Puzzle
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Katachi - Shape Reflex Puzzle | – | Free | May 19, 2026 | |
| Adult Memory Games: MemoryGrid | – | Free | Oct 20, 2026 | Compare |
| Wheelspinner: Random Picker | 2.3 / 5 (7) | Free | Apr 8, 2025 | Compare |
| Twinnie | 4.3 / 5 (9) | Free | Mar 14, 2025 | Compare |
| Osmo Numbers Classic | 4.0 / 5 (264) | Free | Nov 21, 2023 | Compare |
| Brain Training, Know brain age | 4.5 / 5 (236) | Free | Jul 28, 2026 | Compare |
| SPOT IT GO! | 4.8 / 5 (432) | Free | Sep 5, 2026 | Compare |