# Chemical Formula Challenge > Educational game for forming chemical formulas from names. (iPhone/iPad app by Zhang Bozheng.) - Source: https://appshunter.io/ios/app/chemical-formula-challenge/id1070067240 (this page in markdown: same URL + `.md`) - Developer: [Zhang Bozheng](https://appshunter.io/developer/925562708) - Category: Games, Education, Word - Price: Free - Rating: 1.00/5 from 1 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 8.0 · 19 MB - Languages: English - Released: 2016-01-06 - Data updated: 2026-07-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/chemical-formula-challenge/id1070067240/reviews.md ## What is Chemical Formula Challenge? An educational game to improve your ability to form chemical formulas from chemical names. You can either play it yourself or challenge a friend. Singleplayer No mistake mode: Once a mistake is made, the game is considered lost. The objective of this is to improve the accuracy of you forming chemical formulas. Timed practice mode: You are given a time limit, and your score is determined by the number of formulas you can form within the time limit. This is to improve your speed of forming chemical formulas. Freeplay mode: Unlimited amount of time and you will not be penalised for your mistakes. 2 Players The player who manages to complete all the formulas correctly first wins. If a mistake is made, the player loses immediately. ## Key features - Form chemical formulas from names - Singleplayer accuracy mode - Singleplayer speed mode - Singleplayer freeplay mode - Two-player competitive mode ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/chemical-formula-challenge/id1070067240/reviews.md ### 1/5 — This was a massive disappointment *2019-11-19* I thought it would be epic when my incredible chemistry teacher mr Bergman described it to us. But oh boy was he wrong. This game was garbage. ### 1/5 — Doesn’t let you tap *2018-04-29* When I went to one player timed and freeplay. I couldn’t even tap an answer. It didn’t work at all ## Frequently asked questions about Chemical Formula Challenge ### What are the singleplayer modes in Chemical Formula Challenge? Chemical Formula Challenge offers three singleplayer modes: 'No mistake mode' for accuracy, 'Timed practice mode' to improve speed, and 'Freeplay mode' for relaxed practice without penalties. ### How does the two-player mode work in Chemical Formula Challenge? In the two-player mode, players race to correctly form all chemical formulas first. A mistake by either player results in an immediate loss for that player. ### Is Chemical Formula Challenge free to play? Yes, Chemical Formula Challenge is completely free to download and play. There are no in-app purchases or advertisements. ### What devices is Chemical Formula Challenge available on? Chemical Formula Challenge is available on iPhone, iPad, and iPod devices. ### What is the age rating for Chemical Formula Challenge? Chemical Formula Challenge has an age rating of 4+, making it suitable for a wide range of young learners and players. ### How often is Chemical Formula Challenge updated? The app was last updated on August 24, 2016, with version 1.5. Future updates may be released to improve functionality or add new content. ### Does Chemical Formula Challenge require an internet connection to play? The description does not specify offline play capabilities. However, given its educational and game-focused nature, it is likely playable offline. ### What is the user feedback on Chemical Formula Challenge? Chemical Formula Challenge has received one rating of 1.0 stars. This indicates a very low user satisfaction based on the available data. ## Version history (last 5 releases) ### 1.5 — 2016-08-24 This app has been updated by Apple to display the Apple Watch app icon. +Background music Bug fixes ### 1.4 — 2016-05-13 Bug fixes for singleplayer timed practice and freeplay. ### 1.3 — 2016-04-11 +Timed practice for Singleplayer +Freeplay for Singleplayer +Different difficulties of ions +Penalty for wrong answers in Two-Player mode ### 1.2 — 2016-03-02 Removed Ads Added ion charge Changed the method to input answers Changed the way to level up ### 1.0 — 2016-01-06 No release notes. ## Apps similar to Chemical Formula Challenge | App | Rating | Price | Category | | --- | --- | --- | --- | | [AminoCraft](https://appshunter.io/ios/app/aminocraft/id1171843736) | 3.0 (10) | Free | Games | | [All Word Games in One](https://appshunter.io/ios/app/all-word-games-in-one/id6444331604) | — | Free | Games | | [Chemical Substances: Chem-Quiz](https://appshunter.io/ios/app/chemical-substances-chem-quiz/id910222433) | 4.2 (36) | Free | Games | | [Stop Em All](https://appshunter.io/ios/app/stop-em-all/id1540730567) | 3.6 (5) | Free | Games | | [Elements & Periodic Table Quiz](https://appshunter.io/ios/app/elements-and-periodic-table-quiz/id828776855) | 4.3 (154) | Free | Games | | [Dirty Run](https://appshunter.io/ios/app/dirty-run/id1597919077) | 5.0 (1) | Free | Games | ## More apps by Zhang Bozheng - [PSLE Aggregate Calculator](https://appshunter.io/ios/app/psle-aggregate-calculator/id925602856) - [Distance Meter Professional](https://appshunter.io/ios/app/distance-meter-professional/id927185210) - [Distance Meter Lite](https://appshunter.io/ios/app/distance-meter-lite/id927839386) - [Latitude and Longitude Plus](https://appshunter.io/ios/app/latitude-and-longitude-plus/id928918336) - [Barometer Free for iPhone 6 & 6 Plus](https://appshunter.io/ios/app/barometer-free-for-iphone-6-and-6-plus/id932196126) - [Sunrise and Sunset](https://appshunter.io/ios/app/sunrise-and-sunset/id934667809) All apps by Zhang Bozheng: https://appshunter.io/developer/925562708 --- *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 2026-07-04.*