CodeMaster vs Quack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CodeMaster
A professional mobile code editor and development tool for iOS. It offers comprehensive code browsing, editing, and management features, along with integrated tools for remote connections, database design, and GitHub integration.
- File management and browser
- VS Code core Monaco editor
- GitHub integration
- Code snippet management
- Database design tool
- SSH client and SFTP
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CodeMaster - Mobile Coding IDE CodeMaster is a professional code browsing and development tool for iOS platforms, specifically designed for developers. It integrates multiple practical tools, supports multiple programming languages, and provides complete mobile code browsing, editing, management, and auxiliary development capabilities. Built-in local AI LLM delivers smart Q&A and code assistance even offline, turning your phone into a portable computing hub. Features: - File Management and Browser: Supports WiFi and WebDAV file transfer between devices, quick access to code files on mobile, supports cross-screen programming, and allows access to files on mobile via URL for code editing; intuitive directory management interface, supports preview of multiple file formats, and simultaneously supports viewing, editing, decompression, and compression of various documents. - Code Editor: Integrates the VS Code core Monaco editor, delivering a desktop-level editing experience. Supports multi-language syntax highlighting, intelligent code completion and suggestions, and allows customization of multiple editor themes to suit usage habits. - GitHub Integration: Search for open-source projects and specific code snippets, browse trending projects on the platform; supports browsing personal profiles and repositories, and enables direct editing of project code on mobile devices, seamlessly connecting to open-source development. - Code Tools: Store and manage frequently used code snippets for quick insertion, built-in code comparison tool to contrast version differences, provide multi-language code execution environment and hundreds of code template libraries for various languages, enhancing development efficiency. - Database Design: Built-in database design tool supporting MySQL and other types of database design; graphical display of data content, equipped with SQL editor, can directly write and execute MySQL statements, convenient database management. - Remote Connection: Built-in SSH client to connect to remote servers, supports secure SFTP file transfer, allows direct management of remote server files from mobile devices, enabling remote operations anytime, anywhere. ►Unlimited Access Membership Subscription - With this subscription, you can access all features in the application without restrictions. - Subscription charges depend specifically on the selected subscription plan. - When you confirm the purchase, your iTunes account will be charged. - You can turn off auto-renewal 24 hours before the current subscription ends, otherwise it will auto-renew. - The subscription fee will be deducted from your account 24 hours before the current subscription ends, depending on the package you choose. Privacy Policy: http://www.dazhuogroup.com/codemaster/privacy_statement_en.php Terms of Use: http://www.dazhuogroup.com/codemaster/terms_of_use_en.php If you have any questions or concerns, please visit http://www.dazhuogroup.com/codemaster/ and use our customer support email for feedback
Quack
This app provides a digital rubber duck to help you debug code. Explain your programming issues out loud or by typing, and the app processes your input locally for privacy. It works offline and requires no account, offering a judgment-free space to talk through problems.
- Digital rubber duck debugger
- Text or voice input
- Hands-free voice mode
- On-device processing
- No internet required
- No account needed
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Quack is a rubber duck debugger that lives in your pocket. The age-old trick works: explain your bug out loud, step by step, and the answer often appears before you finish talking. Quack gives you a friendly duck that listens — by text or hands-free voice — with zero judgment, no internet, and no account. WHY QUACK • Talk it out: type or speak your problem and walk through it line by line. • Voice mode: explain bugs hands-free while you keep your hands on the keyboard. • Private by design: your words are processed on your device — nothing is stored or sent to a server. • No account, no sign-up: open the app and start debugging in seconds. • Works offline: think on a plane, on the train, anywhere. Free to use, with an optional one-time purchase to remove ads.
Screenshots
Verdict
The clearest difference is review sentiment: Quack at 100% against CodeMaster's 44%. Quack also leads on monetization model (free with in-app purchases vs subscription). CodeMaster's advantage is rating (4.6 vs 4.0) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CodeMaster sells 3 in-app purchases, starting at $1.99 per 7 days and Quack sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
CodeMaster holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: CodeMaster has 140 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 44% of CodeMaster's written reviews are positive against 100% of Quack's, so the app with the better star average is not the one people write more warmly about.
CodeMaster ships an update monthly, Quack every 6 weeks. The most recent releases landed on October 10, 2026 and September 22, 2026 respectively.
| Parameter | CodeMaster | Quack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (140 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 44.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 140 — better | 1 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16 — better | 16.4 |
| Further details — not scored | ||
| Size | 1.5 GB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Dazhuo Information Technology Co., Ltd. | BEK Service LTD |
Customer experience
CodeMaster
Quack
In-app purchases
CodeMaster
- Weekly Membership3 Days trial$1.997 Days
- Monthly subscription3 Days trial$3.991 Month
- Annual Subscription3 Days trial$20.991 Year
Quack
- Pirate Duck$0.99
- Dev Hoodie$0.99
- Cool Duck$0.99
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- Detective Duck$1.49
- Wizard Duck$1.49
- Astronaut Duck$1.49
- Study Buddy$1.99
- Decision Maker$1.99
- Interview Prep$2.49
- Remove Ads$2.99








