# Developer - Cheat Sheets & iOS > Digital cheat sheets for developers covering web, programming, and databases. (iPhone/iPad app by 国强 钱.) - Source: https://appshunter.io/ios/app/developer-cheat-sheets-and-ios/id382247064 (this page in markdown: same URL + `.md`) - Developer: [国强 钱](https://appshunter.io/developer/371924013) - Category: Reference, Utilities - Price: Free - Rating: 4.40/5 from 9 App Store ratings · 71 written reviews indexed - Age rating: 4+ - Requires: iOS 14.0 · 149 MB - Languages: American English - Released: 2010-07-23 - Data updated: 2026-08-15 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/developer-cheat-sheets-and-ios/id382247064/reviews.md ## What is Developer? Collect some cheat sheet for developer. Cheat Sheet List: ASP CSS HTML JavaScript Microformats mod_rewrite MySQL PHP Python Regular-Expressions Ruby On Rails SQL Server Subversion HTML5 Canvas Cheat Sheet RGB Colour Codes Html Character Entities Ruby On Rails Web Applications Vim Graphical Cheat Sheet Prototype JavaScript Library jQuery JavaScript Library Git Cheat Sheet Firebird ActionScript 3 Drupal Cheat Sheet Mercurial Usage Mercurial QuickStart ASP.NET 2.0 life cycle Wordpress Cheat Sheet Smarty Cheat Sheet PHP Advanced Cheat Sheet PHP Basic Cheat Sheet GAE For Python Django Cheat Sheet Xcode 4 Keyboard Shortcuts Fedora 15 Cheat Sheet Flex 3 Blueprint CSS C Reference Core CSharp and .NET Quick Reference C++ Reference Design Patterns Erlang CheatSheet HTTP Response Code PostgreSQL Shell Cheat Sheet Ubuntu Reference Ruby HTML5 Cheat Sheet ## Key features - Extensive cheat sheet library - Web development references - Programming language guides - Database syntax - Developer tools shortcuts ## Recent user reviews (10 of 71) All indexed reviews: https://appshunter.io/ios/app/developer-cheat-sheets-and-ios/id382247064/reviews.md ### 1/5 — !!!!! *2025-12-06, version 5.0.1* Непонятно. ### 5/5 — Beta.txt *2024-12-13, version 5.0.1* Much Better beta.txt! ### 4/5 — Hundred bytes *2024-09-21, version 5.0.1* #1-ARROW-HeAdds ### 1/5 — Doesn’t work *2024-03-17, version 5.0.1* Doesn’t work, all i get is a blank black screen when i open this up ### 5/5 — A must Have if you are a serious programmer! *2023-06-24, version 4.5.0* I started programming computers in the early 80’s on a 16k , hook to your tape player to load one “app” or game or document at a time. After learning every language out there, It gets really hard to keep up wirh which code your working on. This is my go to app to keep my mind on my project, Not trying to remember what code im inputing! Love it, thank you for my help app. ### 5/5 — Excelente *2020-05-10, version 4.5.0* Buena aplicación para estudiar nuevos comandos ### 4/5 — Very Helpful *2020-02-07, version 4.5.0* This has a great deal of information on different on computer languages! It also directs you where on the internet you can get more information in specific formats. It says gel free to copy the cheer sheets, ### 5/5 — Excellent *2019-09-19, version 4.5.0* Excellent app ! Very useful to every developer. Thank you ### 5/5 — Muy útil para cualquier desarrollador *2019-08-23, version 4.5.0* Fantástico resumen de comandos y características. Muy útil! Le añadiría la opción de poder extraer las hojas de alguna forma. Me hubiera ido bien para hacerme mis propios documentos / resúmenes. ### 5/5 — Nice app *2018-05-06, version 4.5.0* Please add cheats for java language ## Frequently asked questions about Developer ### What does this app offer? This application provides a vast collection of digital cheat sheets for developers. It covers a wide range of topics including web development languages like HTML, CSS, and JavaScript, programming languages such as Python and Ruby, database systems like MySQL and PostgreSQL, and various developer tools and frameworks. ### What kind of cheat sheets are available? The app features cheat sheets for numerous technologies, including ASP, CSS, HTML, JavaScript, mod_rewrite, MySQL, PHP, Python, Regular-Expressions, Ruby On Rails, SQL Server, Subversion, HTML5 Canvas, RGB Colour Codes, Html Character Entities, Vim, Prototype JavaScript Library, jQuery, Git, Firebird, ActionScript 3, Drupal, Mercurial, ASP.NET, Wordpress, Smarty, GAE For Python, Django, Xcode 4, Fedora 15, Flex 3, Blueprint CSS, C Reference, CSharp and .NET, C++, Design Patterns, Erlang, HTTP Response Code, PostgreSQL, Shell, Ubuntu, and Ruby. ### Is this app free to use? Yes, the application is completely free to use. There are no in-app purchases or advertisements mentioned, indicating a free and ad-free experience for users. ### What are the common use cases for this app? Developers can use this app to quickly look up syntax, commands, and best practices while coding. It's ideal for referencing specific functions, understanding regular expressions, recalling database queries, or finding keyboard shortcuts for development tools, saving time and improving efficiency. ## Version history (last 5 releases) ### 5.0.1 — 2023-11-22 Update for latest iOS. ### 5.0 — 2023-10-28 Update for latest iOS. ### 4.5.0 — 2017-01-05 - [New] Add Card search. ### 4.4.0 — 2016-12-15 - [New] Add Spotlight support, you can search Card items. - [Fixed] Optimize performance. ### 4.3.1 — 2016-11-07 - [Fixed] Favorites don't into correct item. ## Apps similar to Developer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Tutorial of Perl](https://appshunter.io/ios/app/tutorial-of-perl/id1142520827) | 3.8 (8) | $1.99 | Reference | ## More apps by 国强 钱 - [RoleTine: App Screen Time Tool](https://appshunter.io/ios/app/roletine-app-screen-time-tool/id416481809) - [HabitTime: Automatic Tracker](https://appshunter.io/ios/app/habittime-automatic-tracker/id6446266347) - [ChatMiMi - Local AI Assistant](https://appshunter.io/ios/app/chatmimi-local-ai-assistant/id6763565610) All apps by 国强 钱: https://appshunter.io/developer/371924013 ## Related topics [cheatsheet](https://appshunter.io/ios/topics/cheatsheet) · [flutter cheatsheet](https://appshunter.io/ios/topics/flutter-cheatsheet) --- *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 2026-08-15.*