Comparison

Kukai vs CodeMaster4

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

Head to head
About

Kukai

This application connects to automatic key cutting machines via Bluetooth. It allows users to decode, cut, duplicate keys, and create key profiles, aiming to improve efficiency for locksmiths globally.

Highlights
  • Bluetooth connectivity to machines
  • Key decoding
  • Key cutting
  • Key duplication
  • Key profile creation
  • Intelligent updates
Features
Read full description

Kukai App is used for controlling automatic key cutting machines. The App connects with machine via Bluetooth and supports to decode, cut, duplicate keys and create key profile. The App will be update intelligently and make the locksmiths from all over the world work more easily and efficiently.

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

Kukai1 screens
CodeMaster44 screens

Verdict

The call

The clearest difference is iOS requirement: Kukai at 13.0 against CodeMaster4's 15.0. On price, update cadence, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Kukai ships an update every 3 weeks, CodeMaster4 fortnightly. The most recent releases landed on August 17, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 9 level
Kukai versus CodeMaster4: the parameters behind the verdict, then further details
ParameterKukaiCodeMaster4
PriceFreeFree
Rating1.0 (1 ratings) — better
Positive reviews0.0% of reviews
Number of ratings1 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size360 MB202 MB
Age rating4+4+
Developer军 杨Redt Inc.

In-app purchases

None

Kukai

No in-app purchases

None

CodeMaster4

No in-app purchases

Questions

Is Kukai free?
Kukai is free to download, with no in-app purchases.
Is CodeMaster4 free?
CodeMaster4 is free to download, with no in-app purchases.
Do Kukai or CodeMaster4 have ads?
Neither Kukai nor CodeMaster4 shows ads.
Which is updated more often, Kukai or CodeMaster4?
Kukai ships an update every 3 weeks, and CodeMaster4 fortnightly. Most recently, Kukai was updated on August 17, 2026 and CodeMaster4 on September 17, 2026.

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