KYDZ vs CodeMaster4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KYDZ
This app connects automotive locksmiths to specialized hardware for generating car remotes, smart cards, and performing key profiling. It offers tools like a mechanical key ruler and VIN lookup for efficient locksmithing tasks.
- Car remote control generation
- Smart card generation
- Key profiling cutting
- Mechanical key ruler
- Vehicle frame number query
- Bluetooth device connectivity
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An efficient App launched by Keyoung Electronics to serve global automotive locksmiths, it can connect Alien key machines and KYDZ generators via Bluetooth to realize functions such as car remote control generation, smart card generation, key profiling cutting, and more. The software also provides convenient functions such as mechanical key ruler and vehicle frame number query. The software connects to different devices through Bluetooth to achieve different functions. When connected to the Alien key machine, it can perform functions such as profiling and cutting mechanical keys; when connected to the KYDZ slave generator, remote control and smart card generation can be achieved.
CodeMaster4
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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. 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. ■ Supported Devices - Tablet PCs, Smartphones ■ Communication - Bluetooth LE(Wireless) ■ Screen Orientation - Tablet: 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 Nova ■ Contact Us Redt Inc. www.iredt.com ▶ Customer Support Email: tech-support@iredt.com
Screenshots
Verdict
KYDZ and CodeMaster4 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
KYDZ ships an update every 10 days, CodeMaster4 fortnightly. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.
| Parameter | KYDZ | CodeMaster4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (7 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 403 MB | 202 MB |
| Age rating | 17+ | 4+ |
| Developer | Wuxi Kaiyang Electronic Technology Co., Ltd. | Redt Inc. |
In-app purchases
KYDZ
No in-app purchases
CodeMaster4
No in-app purchases
