# AiK Keytool vs CodeMaster4

The clearest difference is in-app purchases: CodeMaster4 at none against AiK Keytool's 2. AiK Keytool's advantage is iOS requirement (13 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AiK Keytool sells 2 one-off in-app purchases. CodeMaster4 asks for nothing beyond the download.

AiK Keytool ships an update every 2 weeks, CodeMaster4 fortnightly. The most recent releases landed on June 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | AiK Keytool | CodeMaster4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/aik-keytool/id1604342529/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 202 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Pisces Technology Co., Ltd.](https://appshunter.io/developer/1602316436) | [Redt Inc.](https://appshunter.io/developer/1535567812) |

## What reviewers say

### AiK Keytool

[App page](https://appshunter.io/ios/app/aik-keytool/id1604342529)

This utility allows users to copy and generate remote keys for various vehicles and garage doors. It connects via Bluetooth to compatible keytool devices for firmware upgrades.

**Highlights:** Remote key copying, Remote key generation, Firmware upgrades, Bluetooth connectivity, Supports car, motorcycle, and garage door remotes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Integral recharge | $69.99 | one-time |
| Points recharge | $99.99 | one-time |


### CodeMaster4

[App page](https://appshunter.io/ios/app/codemaster4/id6741621289)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AiK Keytool free?

AiK Keytool is free to download, with in-app purchases available.

### Is CodeMaster4 free?

CodeMaster4 is free to download, with no in-app purchases.

### Do AiK Keytool or CodeMaster4 have ads?

Neither AiK Keytool nor CodeMaster4 shows ads.

### Which is updated more often, AiK Keytool or CodeMaster4?

AiK Keytool ships an update every 2 weeks, and CodeMaster4 fortnightly. Most recently, AiK Keytool was updated on June 22, 2026 and CodeMaster4 on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*