# 24 - Mental Math Game — The most fun mental math game. > Classic math puzzle game to improve arithmetic and mental math skills. (iPhone/iPad app by 德军 朱.) - Source: https://appshunter.io/ios/app/24-mental-math-game/id1442241529 (this page in markdown: same URL + `.md`) - Developer: [德军 朱](https://appshunter.io/developer/635191375) - Category: Games, Education, Puzzle, Trivia - Price: Free - Rating: 4.00/5 from 6 App Store ratings - Age rating: 4+ - Requires: iOS 8.0 · 73 MB - Languages: American English - Released: 2018-12-09 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/24-mental-math-game/id1442241529/reviews.md ## What is 24? 24 points is a classic and interesting math game. The game is designed to help people improve their arithmetic abilities and mental math skills. Elementary school students can also play it. But you may not solve some questions even you are a graduate student! ■ HOW TO PLAY The rule is very simple. Combine 4 numbers into 24 by addition(+), subtraction(-), multiplication(x) and division. For example, numbers 2, 0, 4, 8 can get 24 through (2+0) x (4+8). Some questions are easy while others are very challenging. You can try how to get 24 by 6, 6, 5, 9. ■ FREE PRACTICE MODE The game has 1280 levels in which you can constantly explore ways to calculate 24 points. Try solve all the puzzles! ■ SPEED CHALLENGE Try to solve as many 24 puzzles as possible in a limited period of 300 seconds. Test the speed of your mental math skill and see what level you are among players around the world. ■ TIME CHALLENGE Test how much time you need to spend to solve 10 random 24 puzzles. ■ The game perfectly supports iPhoneX and is compatible with most iOS devices. ## Key features - Combine 4 numbers to make 24 - Addition, subtraction, multiplication, division - 1280 levels in practice mode - Speed challenge mode - Time challenge mode - Supports iPhone X and iOS devices ## Frequently asked questions about 24 ### How do you play 24? The goal is to combine four given numbers using addition, subtraction, multiplication, and division to reach the number 24. For example, using 2, 0, 4, and 8, you can achieve 24 with the equation (2+0) x (4+8). ### What are the different modes in 24? 24 offers a Free Practice Mode with 1280 levels, a Speed Challenge to solve as many puzzles as possible in 300 seconds, and a Time Challenge to see how long it takes to solve 10 random puzzles. ### Is 24 suitable for children? Yes, the app has an age rating of 4+ and is designed to help elementary school students improve their arithmetic abilities and mental math skills. ### What devices does 24 support? 24 perfectly supports iPhone X and is compatible with most iOS devices, including iPhones, iPads, and iPods. ### How often is 24 updated? The app was last updated on December 11, 2018, with version 1.1. It was initially released on December 9, 2018. ### What is the rating of 24? 24 has a rating of 4.0 stars based on 6 ratings. ### Does 24 have ads? No, 24 is free to play and does not contain advertisements. ### Can I play 24 offline? The description does not specify offline play capabilities, but the game's nature suggests it can be played without an internet connection. ## Version history (last 2 releases) ### 1.1 — 2018-12-11 Fix bugs of leaderboards and achievements. ### 1.0 — 2018-12-09 No release notes. ## Apps similar to 24 | App | Rating | Price | Category | | --- | --- | --- | --- | | [Spiral Car Wash](https://appshunter.io/ios/app/spiral-car-wash/id6444041526) | 2.5 (4) | Free | Games | | [一年级数学练习奥数题练习](https://appshunter.io/ios/app/id1072575244) | — | Free | Games | | [Mine Detector - classic puzzle](https://appshunter.io/ios/app/mine-detector-classic-puzzle/id1098532544) | — | Free | Games | | [Pictoword: Fun Word Quiz Games](https://appshunter.io/ios/app/pictoword-fun-word-quiz-games/id600674056) | 4.5 (15,182) | Free | Games | | [Mancala.](https://appshunter.io/ios/app/mancala/id615261740) | 4.7 (34,842) | Free | Games | | [Extreme Maths Trivia Quiz](https://appshunter.io/ios/app/extreme-maths-trivia-quiz/id1031942260) | 3.0 (4) | Free | Games | ## More apps by 德军 朱 - [24 - Classical Math Game](https://appshunter.io/ios/app/24-classical-math-game/id1179324986) - [Final Odyssey](https://appshunter.io/ios/app/final-odyssey/id1454671330) - [Logic Trace](https://appshunter.io/ios/app/logic-trace/id1474638058) - [PL Detector](https://appshunter.io/ios/app/pl-detector/id1474958780) - [Mini Aquarium - Fish Tank](https://appshunter.io/ios/app/mini-aquarium-fish-tank/id1497094068) All apps by 德军 朱: https://appshunter.io/developer/635191375 ## Related topics [24 game](https://appshunter.io/ios/topics/24-game) --- *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 2026-06-01.*