Mobile KD vs CodeMaster4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mobile KD
This utility app allows users to query remote data and manage their remote profiles. It serves as an assistant for specific hardware models, enabling convenient data access and editing. Users are reminded to comply with legal regulations when modifying remote data.
- Query remote data
- Account management
- Edit remote data
- Assistant for KD200/KD900
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Mobile KD is assistant software of KD200 and KD900, it's convenient for users to query remotes data. It also support account management, users can edit remotes data as they want. This software now do not support generating remotes. Please obey the law when edit the remotes data on the software, individual legal responsibility will be traced by users' log account or address.
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
Mobile KD 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.
Mobile KD ships an update every 2 weeks, CodeMaster4 fortnightly. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.
| Parameter | Mobile KD | CodeMaster4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (59 ratings) — better | — |
| Positive reviews | 47.5% of reviews | — |
| Number of ratings | 59 — better | — |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 116 MB | 203 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Ecartek Technology, Ltd. | Redt Inc. |
In-app purchases
Mobile KD
No in-app purchases
CodeMaster4
No in-app purchases
