# Sketch C ( Offline Compiler,Debug ) > Offline C programming code editor and compiler for iOS devices. (iPhone/iPad app by 辉 马.) - Source: https://appshunter.io/ios/app/sketch-c-offline-compilerdebug/id978527183 (this page in markdown: same URL + `.md`) - Developer: [辉 马](https://appshunter.io/developer/959342857) - Category: Education, Productivity - Price: Free - Rating: 1.00/5 from 1 App Store ratings · 31 written reviews indexed - Age rating: 4+ - Requires: iOS 7.0 · 16 MB - Languages: American English, Chinese (Simplified, China) - Released: 2015-04-01 - Data updated: 2026-08-14 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sketch-c-offline-compilerdebug/id978527183/reviews.md ## What is Sketch C ( Offline Compiler,Debug )? SketchC is a IOS device on the C language editing and operation procedures. Can be used for learning to learn C programming language. Contains the following functions: 1 code editor: syntax highlighting, auto indent 2 code is compiled to run: direct local compile operation, does not need the network. Add Library posix, ipc, zlib, socket, sqlite3, jpeg, opengles1-3, Core Foundation(based iOS sdk7.0), Core Graphics(based iOS sdk7.0), Debug: Help: ? : help help : help /[keyword] : search keyword in help information Source: v {[line]}: view source code {around [line]} V [stack] : view source code in function call stack t : show function call stack Evaluation: p [expr] : evaluate expression (no declaration/loop/condition) Evaluation: s [expr] : step into expression (no declaration/loop/condition) Evaluation: S [expr] : step over expression (no declaration/loop/condition) {[statements]} : evaluate statement (any kind) Monitor: g {[var]} : list global variable l {[var]} : list local variable proto {[scope]::}[func] : show function prototype typedef {name} : show typedefs function : show interpreted functions macro : show macro functions template : show templates include : show include paths file : show loaded files where : show current file position return [val] : return undefined symbol value Run: S : step over function/loop s : step into function/loop i : ignore and step over c {[line]}: continue {to [line]} e : step out from function b [line] : set break point db [line] : delete break point a [assert]: break only if assertion is true Quit: q : quit ## Key features - Offline C code editing - Syntax highlighting - Auto-indentation - Local compilation - Debugging tools - Built-in libraries ## Recent user reviews (10 of 31) All indexed reviews: https://appshunter.io/ios/app/sketch-c-offline-compilerdebug/id978527183/reviews.md ### 1/5 — Полурабочий *2025-09-04* Этот компилятор он полурабочий: некоторые функиции не работают. Довольно плохой дебаг: он может указать где находится ошибка но не объясняет какая ошибка. ### 1/5 — Didn’t look genuine *2022-04-22* The some codings inside the files are in chinese. It didn’t look genuine. If you want be on safe side, don’t install. ### 1/5 — Missing *2020-06-21* Missing header file math.h ### 5/5 — Sehr gute App *2018-10-21* Eine der einzigen Apps die super funktioniert. Danke! ### 3/5 — 让人无语😓的编译器 *2017-12-17* 比较数字的大小都编译不了 ### 1/5 — 简单的程序都会出现乱七八糟的错误 *2017-04-08* 我真的不知道该做何评价了，很糟 ### 4/5 — Padmaksh *2017-02-10* Easy to use and work with. ### 4/5 — Capital Letter Glitch *2017-01-20* The app works very well. Just that every time the app has a new line or a special character is placed, the keyboard turns on CAPS LOCK. Would be great if fixed. ### 1/5 — 没有最差只有更差 *2016-12-30* 软件很差，经常出现莫名奇妙的错误 ### 1/5 — Compiler error *2016-12-06* The compiler integreated does not support well while and for loop and does not erase the ram after the program end ## Frequently asked questions about Sketch C ( Offline Compiler,Debug ) ### What is Sketch C? Sketch C is an application for iOS devices that allows you to edit, compile, and run C programming language code offline. It includes features like syntax highlighting, auto-indentation, and various debugging tools. ### Does Sketch C require an internet connection? No, Sketch C is designed to work offline. Code compilation and execution are performed locally on your iOS device, so no network connection is needed. ### What are the debugging features in Sketch C? Sketch C offers a comprehensive set of debugging tools, including setting breakpoints, stepping through code (step into and step over), evaluating expressions, monitoring variables, and viewing the function call stack. ### What libraries are included with Sketch C? Sketch C includes several libraries such as POSIX, IPC, zlib, socket, sqlite3, JPEG, and OpenGL ES 1-3. It also supports Core Foundation and Core Graphics based on iOS SDK 7.0. ### Is Sketch C suitable for beginners learning C? Yes, Sketch C is well-suited for learning C programming. Its offline capabilities and integrated editor and compiler provide a convenient environment for practice and experimentation without needing a computer. ### What devices does Sketch C support? Sketch C is supported on iPhone, iPad, and iPod devices. It is available for iOS devices. ### How often is Sketch C updated? Sketch C was last updated on December 9, 2015, to version 1.4. The initial release date was April 1, 2015. ### What is the user rating for Sketch C? Sketch C has a rating of 1.0 stars based on 1 rating. This indicates a very low user satisfaction based on the available data. ## Version history (last 5 releases) ### 1.4 — 2015-12-09 This app has been updated by Apple to display the Apple Watch app icon. fix crash bugs when create file ### 1.3 — 2015-10-21 Add Library posix, ipc, zlib, socket, sqlite3, jpeg, opengles1-3, Core Foundation(based iOS sdk7.0), Core Graphics(based iOS sdk7.0), Debug: Help: ? : help help : help /[keyword] : search keyword in help information Source: v {[line]}: view source code {around [line]} V [stack] : view source code in function call stack t : show function call stack Evaluation: p [expr] : evaluate expression (no declaration/loop/condition) Evaluation: s [expr] : step into expression (no declaration/loop/condition) Evaluation: S [expr] : step over expression (no declaration/loop/condition) {[statements]} : evaluate statement (any kind) Monitor: g {[var]} : list global variable l {[var]} : list local variable proto {[scope]::}[func] : show function prototype typedef {name} : show typedefs function : show interpreted functions macro : show macro functions template : show templates include : show include paths file : show loaded files where : show current file position return [val] : return undefined symbol value Run: S : step over function/loop s : step into function/loop i : ignore and step over c {[line]}: continue {to [line]} e : step out from function b [line] : set break point db [line] : delete break point a [assert]: break only if assertion is true Quit: q : quit ### 1.2 — 2015-05-05 fix scanf float bug ### 1.1 — 2015-04-09 bux fix ### 1.0 — 2015-03-31 No release notes. ## Apps similar to Sketch C ( Offline Compiler,Debug ) | App | Rating | Price | Category | | --- | --- | --- | --- | | [C Programming for Beginners](https://appshunter.io/ios/app/c-programming-for-beginners/id6708233380) | — | Free | Education | | [C# Compiler](https://appshunter.io/ios/app/c-compiler/id6670162788) | 3.0 (2) | Free | Education | | [C Language Treasure](https://appshunter.io/ios/app/c-language-treasure/id1255800372) | — | Free | Education | | [C/C++ Offline compiler](https://appshunter.io/ios/app/cc-plus-plus-offline-compiler/id1506375410) | 3.6 (5) | Free | Education | | [Python Code Play](https://appshunter.io/ios/app/python-code-play/id1573420308) | — | Free | Education | | [C Programming Learning](https://appshunter.io/ios/app/c-programming-learning/id6446440260) | — | Free | Education | ## More apps by 辉 马 - [Dynamic Geometry Sketch Pad](https://appshunter.io/ios/app/dynamic-geometry-sketch-pad/id964956312) - [Sketch C++ (Offline Compiler, Debug)](https://appshunter.io/ios/app/sketch-c-plus-plus-offline-compiler-debug/id980231813) - [Sketch Lua](https://appshunter.io/ios/app/sketch-lua/id980512291) - [Formula Calc - Reimagined the Calculator](https://appshunter.io/ios/app/formula-calc-reimagined-the-calculator/id982833820) - [iPyDE](https://appshunter.io/ios/app/ipyde/id984990674) All apps by 辉 马: https://appshunter.io/developer/959342857 --- *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 2026-08-14.*