# 2212 > 2212 (iPhone/iPad app by Sana Tech.) - Source: https://appshunter.io/ios/app/2212/id6756906682 (this page in markdown: same URL + `.md`) - Developer: [Sana Tech](https://appshunter.io/developer/1794301580) - Category: Education - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 34 MB - Languages: American English - Released: 2026-01-16 - Data updated: 2026-09-05 - User reviews in markdown: https://appshunter.io/ios/app/2212/id6756906682/reviews.md ## What is 2212? 2212-Mental Callisthenics Exercise is an easy-to-use and intriguing educational app that helps schoolchildren improve their mental agility, focus, and attention to detail. The app is perfect for daily practice because it offers brief, structured mental exercises that can be finished in 30 to 45 seconds. With regular use, kids become more adept at maintaining mental clarity, staying focused, and accurately solving problems. Recurring practice helps students approach tasks with more confidence, enhances sustained attention, and fortifies working memory. Learning is made engaging and efficient by the repetitionbased structure and unambiguous scoring system, which promote steady progress without stress. 2212 helps kids develop strong thinking habits that will grow with them. It is perfect for daily brain training, mental math practice, and focus development. Perfect for: ● Students who wanted to enjoy maths ● Daily mental practice ● Improve concentration and problem-solving skills ● Teachers and parents looking for structured mental training ## Version history (last 5 releases) ### 1.0.5 — 2026-08-31 Improved app performance and stability Fixed minor bugs and improved overall user experienc ### 1.0.4 — 2026-07-08 New 1-Minute Mode: Practice under timed conditions with automatic submission after 1 minute, whether you've completed all questions or not. ### 1.0.3 — 2026-07-01 Added more question categories to provide a wider variety of practice. Improved the learning experience with additional questions across multiple topics. ### 1.0.2 — 2026-06-17 • Improved app performance and speed • Enhanced overall user experience • Fixed minor bugs and stability issues ### 1.0.1 — 2026-02-06 This update includes bug fixes and minor optimizations for a smoother learning experience. ## More apps by Sana Tech - [HydraSave](https://appshunter.io/ios/app/hydrasave/id6744243323) - [SITFIT – Fitness Tracker](https://appshunter.io/ios/app/sitfit-fitness-tracker/id6758609007) All apps by Sana Tech: https://appshunter.io/developer/1794301580 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*