# Kukai vs Black Widow Key Machine V2

The clearest difference is rating: Black Widow Key Machine V2 at 3.0 against Kukai's 1.0. On price, review sentiment, ratings volume and update cadence 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 V2 holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Kukai ships an update every 3 weeks, Black Widow Key Machine V2 monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Kukai | Black Widow Key Machine V2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/kukai/id1563851375/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/black-widow-key-machine-v2/id1600176672/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 360 MB | 317 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [军 杨](https://appshunter.io/developer/1489139639) | [Lock Labs, Inc.](https://appshunter.io/developer/1521325322) |

## What reviewers say

### Kukai

[App page](https://appshunter.io/ios/app/kukai/id1563851375)

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:** macOS Compatibility

**In-app purchases:** none


### Black Widow Key Machine V2

[App page](https://appshunter.io/ios/app/black-widow-key-machine-v2/id1600176672)

This utility app allows locksmiths to 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, duplication, and progression.

**Highlights:** Cut high-security keys, Cut edge-cut keys, Cut dimple keys, Cut tibbe keys, Cut tubular keys, Bluetooth mobile connectivity, Cut by code, duplicate, and progression

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kukai free?

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

### Is Black Widow Key Machine V2 free?

Black Widow Key Machine V2 is free to download, with no in-app purchases.

### Which has better reviews, Kukai or Black Widow Key Machine V2?

Black Widow Key Machine V2 is rated higher. Kukai averages 1.0 out of 5 from 1 ratings, while Black Widow Key Machine V2 averages 3.0 from 2 ratings.

### Do Kukai or Black Widow Key Machine V2 have ads?

Neither Kukai nor Black Widow Key Machine V2 shows ads.

### Which is updated more often, Kukai or Black Widow Key Machine V2?

Kukai ships an update every 3 weeks, and Black Widow Key Machine V2 monthly. Most recently, Kukai was updated on November 3, 2026 and Black Widow Key Machine V2 on November 3, 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.*