AutoTech vs Black Widow Key Machine V2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AutoTech
This automotive calculator provides quick computations for over 45 formulas across various vehicle systems. It supports both U.S. and metric units, making it a versatile tool for mechanics, technicians, and enthusiasts.
- 45+ automotive formulas
- Aerodynamics calculations
- Chassis calculations
- Drivetrain calculations
- Engine calculations
- Performance calculations
- Suspension calculations
- Tire calculations
Read full descriptionHide full description
AutoTech is an automotive calculator that offers the mechanic, technician or enthusiast quick computation of 45+ formulas in the areas of aerodynamics, chassis, drivetrain, engine, performance, suspension, and tires. Supports both U.S. and metric units.
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.
- 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
Read full descriptionHide 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
Verdict
The clearest difference is review sentiment: AutoTech at 100% against Black Widow Key Machine V2's 0%. Black Widow Key Machine V2's advantage is price (Free vs $1.99) and update cadence (monthly vs every 32 months). On ads, in-app purchases and device support 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
Black Widow Key Machine V2 is free to download; AutoTech costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
AutoTech ships an update every 32 months, Black Widow Key Machine V2 monthly. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.
| Parameter | AutoTech | Black Widow Key Machine V2 |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 32 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 317 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Clarner | Lock Labs, Inc. |
Customer experience
AutoTech
Black Widow Key Machine V2
In-app purchases
AutoTech
No in-app purchases
Black Widow Key Machine V2
No in-app purchases
Questions
Is AutoTech free?
Is Black Widow Key Machine V2 free?
Do AutoTech or Black Widow Key Machine V2 have ads?
Which is updated more often, AutoTech or Black Widow Key Machine V2?
Other comparisons















