--- title: "CS++ Java IDE - Reviews, Revenue and Downloads in United States | Apple App Store" description: "CS++ Java IDE is a focused, offline Java environment for students learning to code — and a complete AP Computer Science A practice platform. Write code in a real Java IDE designed for touch. Run prog" --- # CS++ Java IDE — United States > Code Java on iPhone & iPad ![CS++ Java IDE App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/b6/0f/0f/b60f0f7b-2478-60fd-b35c-207f40f4032e/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Kevin P Hare](https://apptail.io/developer/kevin-p-hare-ENCXbc) **Category:** Education **Rating:** 5.0/5 (1 ratings) **Price:** Free **Bundle ID:** com.csplusplus.javaide **Store:** Apple App Store **Country:** United States **Version:** 1.4 (released 2026-09-28) **Original Release:** 2026-04-28 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6763799792) **AppTail Page:** [https://apptail.io/app/cs-java-ide-qOIz/united-states](https://apptail.io/app/cs-java-ide-qOIz/united-states) ## CS++ Java IDE Description CS++ Java IDE is a focused, offline Java environment for students learning to code — and a complete AP Computer Science A practice platform. Write code in a real Java IDE designed for touch. Run programs instantly with the bundled Java runtime — no internet, no compiler setup, no accounts. Tap Run and your code executes on your device. WHAT'S INCLUDED • Multi-file Java editor with syntax highlighting, line numbers, auto-indent, and a templates menu • Bundled Java runtime — runs your code locally, even on airplane mode • Unit 1 free: 11 hand-picked starter problems covering primitive types, output, and your first algorithm • Full AP CSA course (one-time $9.99 unlock): 11 units, 50+ inline coding challenges, persistent progress • Pseudocode-to-Java translator for AP CSP students stepping up • System.out.println, Scanner input, exceptions, ArrayLists, classes, inheritance — every topic in the AP CSA Java subset DESIGNED FOR LEARNING • Each challenge tests your output against expected results • Inline error messages with the exact line and what went wrong • "Format" button cleans up indentation in one tap • Templates dropdown loads common patterns: Scanner input, file reading, ArrayList traversal, recursion • Progress saved on-device — pick up where you left off UNIVERSAL Built for iPhone and iPad. The editor and console scale from 4-inch phones to 13-inch iPads, with a full-bleed editor on phones to maximize coding space. OFFLINE-FIRST No account creation. No login. No data sent off your device. Lessons, code, and progress all live in the app's local storage. Use it on a flight, in a classroom with no Wi-Fi, or anywhere. THE FULL AP CSA COURSE Unlock all 11 units for $9.99 (one-time, no subscription): 1. Primitive Types & Output 2. Booleans & Conditionals 3. Iteration 4. Strings 5. Arrays 6. 2D Arrays 7. ArrayList 8. Recursion 9. Classes & Objects 10. Inheritance & Polymorphism 11. Searching & Sorting Built by Yellow Dart Publishing for csplusplus.com — the College Board–aligned CS curriculum used by teachers across the U.S. ## CS++ Java IDE Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6d/54/4f/6d544ff5-4a64-5c87-b008-f13a18975221/06-paywall.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/37/80/08/37800815-c6b8-b8d0-0340-cefec0578cce/01-home.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bb/af/83/bbaf83b4-e1cd-c719-72b8-433bc53b5f33/04-lesson.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/01/10/43/01104389-0e12-11be-f586-8703b5ea6390/02-playground.png/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/da/31/51/da315138-2732-de8f-a427-67bdaa81a608/03-units.png/1284x2778.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e1/56/d0/e156d033-1354-e84f-2864-7231e9c68a3f/05-features.png/1284x2778.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c1/d6/9e/c1d69e02-4570-a1af-2cad-b57e384aee3f/07-about.png/1284x2778.png) ## CS++ Java IDE Rating Breakdown in United States - 5 stars: 1 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## CS++ Java IDE Reviews in United States ### ***** "Best coding app" Through this I learned how to code and do Java -- qianjames, 2026-04-30 [View all CS++ Java IDE reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## CS++ Java IDE In-App Purchases | Item | Price | |------|-------| | Full Course Unlock | $9.99 | ## CS++ Java IDE Available In - [United States](https://apptail.io/app/cs-java-ide-qOIz/united-states) - [Kuwait](https://apptail.io/app/cs-java-ide-qOIz/kuwait) - [Philippines](https://apptail.io/app/cs-java-ide-qOIz/philippines) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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