Comparison

Black Widow Key Machine V2 vs Key Defender

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 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.

About

Key Defender

Features
Read full description

A remote‑control signal jammer that blocks various remote‑control data signals

Screenshots

Black Widow Key Machine V21 screens
Key Defender4 screens

Verdict

The call

The clearest difference is iOS requirement: Black Widow Key Machine V2 at 12.0 against Key Defender's 15.0. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

Black Widow Key Machine V2 ships an update monthly, Key Defender every 2 months. The most recent releases landed on October 19, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Black Widow Key Machine V2 versus Key Defender: the parameters behind the verdict, then further details
ParameterBlack Widow Key Machine V2Key Defender
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size317 MB88 MB
Age rating4+4+
DeveloperLock Labs, Inc.Shenzhen Ecartek Technology, Ltd.

In-app purchases

None

Black Widow Key Machine V2

No in-app purchases

None

Key Defender

No in-app purchases

Questions

Is Black Widow Key Machine V2 free?
Black Widow Key Machine V2 is free to download, with no in-app purchases.
Is Key Defender free?
Key Defender is free to download, with no in-app purchases.
Do Black Widow Key Machine V2 or Key Defender have ads?
Neither Black Widow Key Machine V2 nor Key Defender shows ads.
Which is updated more often, Black Widow Key Machine V2 or Key Defender?
Black Widow Key Machine V2 ships an update monthly, and Key Defender every 2 months. Most recently, Black Widow Key Machine V2 was updated on October 19, 2026 and Key Defender on October 31, 2026.

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