# Even or odd Mental calculation — Test your mental calculation > Fast-paced game to determine if math results are even or odd. (iPhone/iPad app by Iker Vazquez.) - Source: https://appshunter.io/ios/app/even-or-odd-mental-calculation/id1032978251 (this page in markdown: same URL + `.md`) - Developer: [Iker Vazquez](https://appshunter.io/developer/1032978250) - Category: Games, Education, Puzzle - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 12.0 · 76 MB - Languages: English - Released: 2015-09-09 - Data updated: 2026-07-23 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/even-or-odd-mental-calculation/id1032978251/reviews.md ## What is Even or odd Mental calculation? The game consists in calculate on a given time if the result of the operaiton on screen is even or odd. The faster you are the more points you can earn! Check your results against your friends to see who have the quickest brain! - The highest score is recorded so you can beat yourself or a friend. - The speed of your response and your level directly influence the final score - answer quickly! - The difficulty increases with each answer ## Key features - Timed mental calculation challenges - Score tracking for personal bests - Speed-based scoring system - Increasing difficulty levels - Multiplayer comparison ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Full version upgrade | $0.99 | one-time | ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/even-or-odd-mental-calculation/id1032978251/reviews.md ### 5/5 — Versión para iPad al fin *2015-09-26, version 1.2.0* Por fin la versión para iPad!!! Me encanta este juego ### 5/5 — Matematica pura *2015-09-16, version 1.0* Espectacular juego para los amantes de la agilidad mental y de las matemáticas.Muy recomendable. ### 5/5 — Pasatiempo perfecto *2015-09-16, version 1.0* Solo echo en falta un ranking general o algo asi, ya que no sabes realmente que tal lo has hecho. Por lo demás es un vicio!!! ### 5/5 — Interesante *2015-09-15, version 1.0* Muy entretenido!!! ### 5/5 — Perfecto para entrenar la mente *2015-09-12, version 1.0* Aunque al principio resulta un poco difícil cogerle el ritmo, una vez hecho no puedes dejar de intentar batir tu marca. Estaría bien un pequeño ajuste de la dificultad y poder tener un ranking con las mejores puntuaciones a nivel global. ## Frequently asked questions about Even or odd Mental calculation ### What is Even or Odd Mental Calculation? Even or Odd Mental Calculation is a game where you must quickly determine if the result of a mathematical operation is an even or odd number. The faster you answer, the more points you earn. ### How does scoring work in Even or Odd Mental Calculation? Your score is influenced by the speed of your response and your current game level. Answering quickly directly increases your final score, and the highest scores are recorded. ### Does Even or Odd Mental Calculation have ads? No, Even or Odd Mental Calculation is ad-free, allowing for an uninterrupted gaming experience. ### What devices is Even or Odd Mental Calculation available on? Even or Odd Mental Calculation is available on iPhone, iPad, and iPod devices. ### How often is Even or Odd Mental Calculation updated? The app was last updated on October 15, 2024, indicating active development and potential for future improvements. ### What is the age rating for Even or Odd Mental Calculation? Even or Odd Mental Calculation has an age rating of 4+, making it suitable for young players and adults alike. ### Can I play Even or Odd Mental Calculation offline? The provided information does not specify offline play capabilities. However, as a calculation-based game, it is likely playable without an internet connection. ### Are there different game modes in Even or Odd Mental Calculation? The game features a core gameplay loop with increasing difficulty. While specific modes aren't detailed, the challenge progresses with each correct answer. ## Version history (last 3 releases) ### 2.0.3 — 2024-10-15 New interface ### 1.2.0 — 2015-09-26 This app has been updated by Apple to display the Apple Watch app icon. - Adjusted difficulty level.. - Improved GUI. - iAds disable option. - When fail, now you can see the last operation. - Countdown time decreased. - Ipad version now avaliable. - IOS9 bugs fixed. ### 1.0 — 2015-09-09 No release notes. ## Apps similar to Even or odd Mental calculation | App | Rating | Price | Category | | --- | --- | --- | --- | | [Equazzler X - Multiplication](https://appshunter.io/ios/app/equazzler-x-multiplication/id6466287639) | — | Free | Games | | [Remumber](https://appshunter.io/ios/app/remumber/id903443542) | — | Free | Games | | [Light up my house!](https://appshunter.io/ios/app/light-up-my-house/id1529389452) | 4.3 (145) | Free | Games | | [Piyo Math](https://appshunter.io/ios/app/piyo-math/id6446041886) | — | Free | Games | | [partikles](https://appshunter.io/ios/app/partikles/id1629367204) | — | Free | Games | | [Odd Even - Merge](https://appshunter.io/ios/app/odd-even-merge/id6747301052) | — | Free | Games | ## More apps by Iker Vazquez - [Let's Match It - FREE pairs game for one or two players](https://appshunter.io/ios/app/lets-match-it-free-pairs-game-for-one-or-two-players/id1036577148) - [Get my car out! Unblock puzzle](https://appshunter.io/ios/app/get-my-car-out-unblock-puzzle/id1050481070) - [DJ Scratcher](https://appshunter.io/ios/app/dj-scratcher/id1053518606) - [Tablas de multiplicar con audio](https://appshunter.io/ios/app/tablas-de-multiplicar-con-audio/id1196226488) - [Unblock Montessori Edition](https://appshunter.io/ios/app/unblock-montessori-edition/id6759560680) All apps by Iker Vazquez: https://appshunter.io/developer/1032978250 --- *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 2026-07-23.*