You Cut Keys? Then You Need This App. Introducing CodeMaster4™ by Redt Inc.

Redt Inc.
Jul 8
3 min read

The dedicated software for MIRACLE™ key machines

CodeMaster4™

Whether you’re a professional locksmith, a smart shop owner, or just someone passionate about precision tools, CodeMaster4 is the digital key to your next-level key cutting experience. Developed by Redt Inc., this intuitive and powerful CAD/CAM software is designed to work seamlessly with Miracle™ key cutting machines, and it’s smarter and more versatile than ever.

Now available on Android, iOS & Windows.

CodeMaster4™ is a professional app designed for operating the MIRACLE™ key machine, offering professional locksmiths a range of features for efficient and user-friendly key cutting. The app enables professional locksmiths to cut and duplicate keys using an extensive collection of car, house, and special keys, while providing convenience features for seamless machine operation. This new version integrates the previous CodeMaster3 (Tablet/PC) and CodeMaster-M (Mobile) applications into a single, versatile app compatible with multiple platforms. It offers a consistent user interface with fast and reliable performance for various devices such as tablets, smartphones, PCs and laptops running Android, iOS or Windows.

🔥Supports a variety of Key Data

🔥Key cutting & duplication

🔥Convenient search function

🔥 Various Additional Features

⚙️ Key Features at a Glance

Massive Key Database: Supports automotive, motorcycle, residential, and special-purpose keys.
Automatic Toolpath Generation: Effortlessly generates cutting paths from your key selection or design.
Worn Key Correction: Restore old or damaged keys with precision.
Favorites & History: Save and recall frequent jobs in seconds.
Machine Calibration & Maintenance Tools: Keep your Miracle machine working like new.
Engraving Support: Mark your keys for tracking or personalization.
Cross-Platform Compatibility: Use it across Android, iOS, and Windows—thanks to the integration of CodeMaster3 and CodeMaster-M.

Advantages of the new CodeMaster4

Enhanced Speed: Enjoy faster operations compared to the previous CodeMaster-M mobile app.
Unified User Experience: Consistent UX and UI across all platforms, including Android, iOS, and Windows.
Improved Wireless Communication: Faster, more stable connections with the Miracle key machine.
Simplified Updates: Effortless application and data updates for a seamless experience.

🧠 Real-World Uses

Industry	How It’s Used
Locksmiths & Automotive	Cut or duplicate keys for vehicles, homes, and safes.
Retail Shops	Provide engraving and key-cutting services in-store.
Workshops & Training	Let users experience real-time CNC control and learn machine operation.

Supported Products

MIRACLE™-A9 EDGE
MIRACLE™-A70
MIRACLE™-A80
MIRACLE™-A9P
MIRACLE™-A9Auto
MIRACLE™-A9JD
MIRACLE™-A9

※ Additional models will be supported in future updates.

Supported Languages

- English

- Korean (한국어)

- Japanese (日本語)

- Spanish (Español)

- Portuguese(Português)

Supported OS Versions

Windows: Windows 10 Version 1809 or later

- Android: Andorid 5.0 (API 21) or later

- iOS: To be supported in a future update

- Supported Devices: Tablet PCs, Smartphones, and more

💡 Why People Love CodeMaster4

Tailored for Miracle™ Machines: 100% compatibility with Miracle key cutters means fast, reliable results.
Beginner-Friendly UI: Clean interface and intuitive icons—no manual needed.
All-in-One Platform: Combines previous versions (CodeMaster3 & M) into a single, versatile tool.
Multilingual Support: Available in English, Korean, Japanese, Spanish, Portuguese, and more.

🔥 Fun Facts

Redt Inc. is a global CNC & laser solution company with partners in over 40 countries.
CodeMaster4 supports advanced auxiliary jigs like HU66, VA2, and HU162 for complex keys.
It’s regularly updated—latest version as of June 2025 is v1.0.49, adding new key profiles and enhanced stability.
The app is part of a full ecosystem, alongside MagicEngrave™ and MagicTablet™, designed for engraving, marking, and smart control.

🛠 Pro Tip

Use CodeMaster4 with a tablet or mobile device for on-the-go operations—great for field technicians or mobile service providers. And if you’re using it in a shop, pair it with a Miracle-A9 or A9 Edge for the ultimate smart key cutting station.

🚀 Ready to Try It?

Don’t settle for basic. Experience high-precision, smart key duplication with CodeMaster4.

👉 Download CodeMaster4 on Google Play/ Apple App store.

👉 Or learn more at Redt Inc. Official Website

Need help choosing the right machine & accessories for your applications?

Let Redt Inc. Help You Decide

Every manufacturing process is unique, and choosing the right laser technology is crucial to optimizing your workflow. Whether you need to mark metals, resins, or other materials, Redt Inc. has the expertise and technology to guide you.

Click Me