Comparison

JMARemotesPro vs CodeMaster4

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

Head to head
About

JMARemotesPro

Easily copy, read, and generate garage door remote controls with rolling and fixed codes. Offers step-by-step guides, database storage, and advanced features for rolling code generation without the original remote. Requires a compatible BLE device and a JMA M-BT remote.

Highlights
  • Copy rolling and fixed code remotes
  • Generate rolling code remotes without original
  • Read and store codes from JMA remotes
  • Step-by-step copying guides
  • Database for saved codes
  • Automatic, manual, and clone copying options
Features
Read full description

The JMARemotesPro app provides a simple, intuitive and convenient way to copy rolling code and fixed code garage door remote controls. It also offers such additional features as the generation of rolling code remotes without needing the original, the reading of codes already present on a JMA remote and the storage of copied codes in a database.   Description of the features   Remote control copying:   Via a step-by-step guide that includes text and images, users can copy various original rolling code or fixed code remote controls. For rolling code remotes, the app provides such important information as the serial number, customization options and a counter for the original remote, which can be changed if required. Automatic, manual and clone copying options are available for rolling codes, as well as a scanner option for certain models.   Remote control reading   At any time, users can read the information stored on each button of a JMA remote control and save it in a database for subsequent use if necessary.   Remote control generation   By using this app, rolling code remote controls can be generated without needing the original remote. This process can be completed by selecting the manufacturer and configuring the desired settings or by loading up a remote control previously saved in the database.   Fixed codes can only be loaded from a database if they have been stored previously, but without selecting the manufacturer or model.   Rolling code remote controls that can be generated:   Requirements:   - The device must be compatible with BLE (Bluetooth Low Energy) - The JMA M-BT remote control is needed to function with the app. To activate Bluetooth, hold buttons 2 and 3 on the M-BT remote control until the green LED flashes. - Bluetooth must be activated on the device for the app to work.

About

CodeMaster4

Features
Read full 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. 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

JMARemotesPro4 screens
CodeMaster44 screens

Verdict

The call

The clearest difference is price: CodeMaster4 at Free against JMARemotesPro's $9.99. CodeMaster4 also leads on update cadence (fortnightly vs every 5 months). JMARemotesPro's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support 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

CodeMaster4 is free to download; JMARemotesPro costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

JMARemotesPro ships an update every 5 months, CodeMaster4 fortnightly. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 5 level
JMARemotesPro versus CodeMaster4: the parameters behind the verdict, then further details
ParameterJMARemotesProCodeMaster4
Price$9.99Free — better
Positive reviews10.0% of reviews—
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size65 MB203 MB
Age rating4+4+
DeveloperJMA Alejandro Altuna, S.L.U.Redt Inc.

In-app purchases

None

JMARemotesPro

No in-app purchases

None

CodeMaster4

No in-app purchases

Questions

Is JMARemotesPro free?
JMARemotesPro costs $9.99, with no in-app purchases.
Is CodeMaster4 free?
CodeMaster4 is free to download, with no in-app purchases.
Do JMARemotesPro or CodeMaster4 have ads?
Neither JMARemotesPro nor CodeMaster4 shows ads.
Which is updated more often, JMARemotesPro or CodeMaster4?
JMARemotesPro ships an update every 5 months, and CodeMaster4 fortnightly. Most recently, JMARemotesPro was updated on October 8, 2026 and CodeMaster4 on October 5, 2026.

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