# Black Widow Key Machine vs CodeMaster4

The clearest difference is update cadence: CodeMaster4 at fortnightly against Black Widow Key Machine's every 5 weeks. Black Widow Key Machine's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Black Widow Key Machine ships an update every 5 weeks, CodeMaster4 fortnightly. The most recent releases landed on September 6, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Black Widow Key Machine | CodeMaster4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/black-widow-key-machine/id1577877042/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 149 MB | 202 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [American Key Supply](https://appshunter.io/developer/1128576890) | [Redt Inc.](https://appshunter.io/developer/1535567812) |

## What reviewers say

### Black Widow Key Machine

[App page](https://appshunter.io/ios/app/black-widow-key-machine/id1577877042)

This mobile tool allows locksmiths to quickly cut various types of keys, including high-security, edge-cut, dimple, tibbe, and tubular blanks. It connects via Bluetooth to a mobile device for cutting keys by code, duplicating, and progression.

**Highlights:** Cuts high-security keys, Cuts edge-cut keys, Cuts dimple keys, Cuts tibbe keys, Cuts tubular keys, Bluetooth connectivity, Cut by code functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### CodeMaster4

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Black Widow Key Machine free?

Black Widow Key Machine is free to download, with no in-app purchases.

### Is CodeMaster4 free?

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

### Do Black Widow Key Machine or CodeMaster4 have ads?

Neither Black Widow Key Machine nor CodeMaster4 shows ads.

### Which is updated more often, Black Widow Key Machine or CodeMaster4?

Black Widow Key Machine ships an update every 5 weeks, and CodeMaster4 fortnightly. Most recently, Black Widow Key Machine was updated on September 6, 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.*