Comparison

Kukai vs Black Widow Key Machine V2

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

Black Widow Key Machine V2

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
Read full description

The Black Widow R key machine is designed to quickly cut all keys a locksmith needs to run their business: high-security, edge-cut, dimple, tibbe, and tubular key blanks. Use your mobile device via Bluetooth to cut keys by code, duplicate, and progression your keys.

Screenshots

Kukai1 screens
Black Widow Key Machine V21 screens

Verdict

The call

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.

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard1 real difference · 9 level
Kukai versus Black Widow Key Machine V2: the parameters behind the verdict, then further details
ParameterKukaiBlack Widow Key Machine V2
PriceFreeFree
Rating1.0 (1 ratings)3.0 (2 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size360 MB317 MB
Age rating4+4+
Developer军 杨Lock Labs, Inc.

Customer experience

Kukai

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Black Widow Key Machine V2

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Kukai

No in-app purchases

None

Black Widow Key Machine V2

No in-app purchases

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.

Other comparisons