Comparison

ESP RainMaker Classic vs CodeMaster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ESP RainMaker Classic

This platform allows developers to quickly realize ideas using ESP32/ESP32-S2 hardware. It facilitates account sign-up, device provisioning, and control, with an automatically rendered UI based on firmware descriptions.

Highlights
  • ESP32/ESP32-S2 integration
  • Account sign-up
  • Device provisioning
  • Device control and management
  • Auto-rendered UI
  • Firmware description integration
Features
Read full description

Realise your ideas faster with ESP32/ESP32-S2 using ESP RainMaker. ESP RainMaker app offers the following: - Signing up for the ESP RainMaker account - Provisioning devices based on the ESP RainMaker firmware - Controlling and Managing the devices - Auto rendering of the UI based on the device descriptions in the firmware For more information, please visit https://rainmaker.espressif.com/

About

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.

Highlights
  • File management and browser
  • VS Code core Monaco editor
  • GitHub integration
  • Code snippet management
  • Database design tool
  • SSH client and SFTP
Features
Read full description

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. 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

Screenshots

ESP RainMaker Classic4 screens
CodeMaster4 screens

Verdict

The call

The clearest difference is in-app purchases: ESP RainMaker Classic at none against CodeMaster's 3. ESP RainMaker Classic also leads on iOS requirement (13.0 vs 15). CodeMaster's advantage is review sentiment (44% vs 30%) and ratings volume (139 vs 12). On price, rating, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CodeMaster sells 3 in-app purchases, starting at $1.99 per 7 days. ESP RainMaker Classic asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CodeMaster holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: CodeMaster has 139 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 30% of ESP RainMaker Classic's written reviews are positive against 44% of CodeMaster's.

UpkeepUpdate frequency

ESP RainMaker Classic ships an update every 5 weeks, CodeMaster monthly. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
ESP RainMaker Classic versus CodeMaster: the parameters behind the verdict, then further details
ParameterESP RainMaker ClassicCodeMaster
PriceFreeFree
Rating4.4 (12 ratings)4.6 (139 ratings) — better
Positive reviews30.0% of reviews44.4% of reviews — better
Number of ratings12139 — better
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15
Further details — not scored
Size55 MB170 MB
Age rating4+17+
DeveloperESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.Shanghai Dazhuo Information Technology Co., Ltd.

Customer experience

ESP RainMaker Classic

All ratings12 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews10 reviews
Positive30.0%
Neutral0.0%
Negative70.0%

CodeMaster

All ratings139 ratings
Positive89.2%
Neutral2.9%
Negative7.9%
Written reviews18 reviews
Positive44.4%
Neutral22.2%
Negative33.3%

In-app purchases

None

ESP RainMaker Classic

No in-app purchases

3 purchases

CodeMaster

Subscriptions3
  • Weekly Membership3 Days trial$1.997 Days
  • Monthly subscription3 Days trial$3.991 Month
  • Annual Subscription3 Days trial$20.991 Year

Questions

Is ESP RainMaker Classic free?
ESP RainMaker Classic is free to download, with no in-app purchases.
Is CodeMaster free?
CodeMaster is free to download, with in-app purchases available.
Which has better reviews, ESP RainMaker Classic or CodeMaster?
CodeMaster is rated higher. ESP RainMaker Classic averages 4.4 out of 5 from 12 ratings, while CodeMaster averages 4.6 from 139 ratings.
Do ESP RainMaker Classic or CodeMaster have ads?
Neither ESP RainMaker Classic nor CodeMaster shows ads.
Which is updated more often, ESP RainMaker Classic or CodeMaster?
ESP RainMaker Classic ships an update every 5 weeks, and CodeMaster monthly. Most recently, ESP RainMaker Classic was updated on September 15, 2026 and CodeMaster on September 23, 2026.

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