Comparison

Black Widow Key Machine vs YunFeng LINK

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

Head to head
About

Black Widow Key Machine

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
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The Black Widow 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.

About

YunFeng LINK

Features
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Special Note: 1. The data collected by the smart watch is for reference only and cannot be used for any medical purposes. 2. Any data displayed on the APP is for reference only and cannot be used for any medical purpose. Features: 1. Establish connection and communication with the watch via Bluetooth. 2. The APP can manage the alarm clock on the watch. 3. The APP can read the sports statistics in the watch and display it to the user in a visual form; 4. The APP supports account registration, account login, password modification, account logout, and account cancellation.

Screenshots

Black Widow Key Machine1 screens
YunFeng LINK4 screens

Verdict

The call

Black Widow Key Machine and YunFeng LINK are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Black Widow Key Machine ships an update every 5 weeks, YunFeng LINK every 3 weeks. Both last shipped on November 3, 2026.

ScorecardNo meaningful differences
Black Widow Key Machine versus YunFeng LINK: the parameters behind the verdict, then further details
ParameterBlack Widow Key MachineYunFeng LINK
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size149 MB80 MB
Age rating4+4+
DeveloperAmerican Key SupplyZhongshan Xiangshan Automobile Rental Co., Ltd.

In-app purchases

None

Black Widow Key Machine

No in-app purchases

None

YunFeng LINK

No in-app purchases

Questions

Is Black Widow Key Machine free?
Black Widow Key Machine is free to download, with no in-app purchases.
Is YunFeng LINK free?
YunFeng LINK is free to download, with no in-app purchases.
Do Black Widow Key Machine or YunFeng LINK have ads?
Neither Black Widow Key Machine nor YunFeng LINK shows ads.
Which is updated more often, Black Widow Key Machine or YunFeng LINK?
Black Widow Key Machine ships an update every 5 weeks, and YunFeng LINK every 3 weeks. Most recently, Black Widow Key Machine was updated on November 3, 2026 and YunFeng LINK on November 3, 2026.

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