# CodeMaster4 > CodeMaster4™ is a professional app designed for operating the MIRACLE™ machine. Canonical page: [https://chrome-stats.com/d/com.redt.codemaster4](https://chrome-stats.com/d/com.redt.codemaster4) ## Overview - **ID:** `com.redt.codemaster4` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Redt Inc. - **Category:** TOOLS - **Downloads:** 5,797 - **Version:** 1.5.4 - **Last updated:** 2026-09-08 - **First published:** 2024-10-23 - **Publisher country:** KR - **Size:** 160 MB - **Data as of:** 2026-09-16 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.redt.codemaster4) - **Website:** [https://www.redtinc.co.kr/](https://www.redtinc.co.kr/) - **Privacy policy:** [https://www.redtinc.com/privacy-policy](https://www.redtinc.com/privacy-policy) ## Description 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.



Key features include:

- An extensive key database covering car, motorbike, residential, and various specialized keys.

- Simple and fast key cutting and duplication.

- Customizable key cutting options to meet specific needs.

- Easy creation and management of personal key data.

- Wear correction feature for older key cylinders.

- Favorites and history management for quick access to frequently used key data.

- Machine management tools, including calibration, to ensure optimal performance.

- Key marking function for easy identification.

- Additional features for seamless operation of the MIRACLE™ key machine.


■ What’s New

- first public launch started

■ Minimum Requirements for Running the App

- Supported Versions: Android 13 (API 33) or higher
- Processor: Snapdragon 695 or higher, Dimensity 6400 or higher
- RAM: 4GB or higher
- Supported Devices: Tablet PCs, Smartphones, and more

■ Communication

- Bluetooth (Wireless)

- USB (Wired)

■ Screen Orientation

- Tablet, Desktop, Laptop: Fixed Landscape Mode

- Smartphone: Fixed Portrait Mode

■ Supported Languages

- English
- Korean (한국어)
- Japanese (日本語)
- Spanish (Español)
- Portuguese(Português)

■ Supported MIRACLE™ Products

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

■ Contact Us

Redt Inc.

www.iredt.com

▶ Customer Support Email: tech-support@iredt.com ## Rankings - #682,816 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.BLUETOOTH` - `android.permission.BLUETOOTH_ADMIN` - `android.permission.BLUETOOTH_ADVERTISE` - `android.permission.BLUETOOTH_CONNECT` - `android.permission.BLUETOOTH_PRIVILEGED` - `android.permission.BLUETOOTH_SCAN` - `android.permission.CAMERA` - `android.permission.INTERNET` - `android.permission.MANAGE_DOCUMENTS` - `android.permission.MOUNT_UNMOUNT_FILESYSTEMS` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.READ_MEDIA_AUDIO` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` - `com.redt.codemaster4.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [CodeMaster-M](https://chrome-stats.com/d/com.redt.miracle) — 4,751 users - [KeyMasterPro - Database](https://chrome-stats.com/d/com.kmpmobile) — 218 users - [Keyline Duplicating Tool](https://chrome-stats.com/d/com.keyline.mobile.app) — 21,439 users, 2.14 / 5 - [CodeMaster - Secret Codes](https://chrome-stats.com/d/com.wsgamingstudio.duck.hunting3d) — 12,205 users - [Inmocode keydepot](https://chrome-stats.com/d/mx.keydepot.inmocode) — 74 users - [Help MB](https://chrome-stats.com/d/com.mbtecnologiaautomotiva) — 258 users - [ProMaster Master-Keying Mobile](https://chrome-stats.com/d/com.whsoftware.promastermobile) — 2,009 users, 1.80 / 5 - [MYKEYS Pro](https://chrome-stats.com/d/com.mykeyspro.app) — 138,035 users, 2.51 / 5 - [Keyline Cloning Tool](https://chrome-stats.com/d/it.keyline.cloningtool) — 52,750 users, 3.55 / 5 - [Triton PLUS™ Key Cutting App](https://chrome-stats.com/d/com.tritonkeymachine.TritonPlus) — 969 users, 4.58 / 5 - [Master Key Manager](https://chrome-stats.com/d/com.jerrydionisio.masterkeybuilder) — 73 users - [Maverick Key Cutting Machine](https://chrome-stats.com/d/com.locklabs.maverick) — 69 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.redt.codemaster4)