LFIC vs Black Widow Key Machine V2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LFIC
This utility app automates the creation of pinning charts for various lock systems, including Corbin-Russwin, Sargent, Medeco, and Assa. It features a user-friendly interface with auto-tabbing text fields and a lock function to prevent accidental changes. The app also includes a randomization feature and compatibility with AirPrint or email.
- Automated pinning chart calculation
- Supports Corbin-Russwin, Sargent, Medeco, Assa
- Randomize chart generation
- Auto-tabbing interface
- Lock/Unlock input function
- AirPrint and email support
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LFIC: Large Format Interchangeable Core Calculator Automatically calculates the pinning charts for Corbin-Russwin (System 70 & Non-System 70), Sargent (Standard and Degree), Medeco 32 Series, and Assa (Sargent & Yale / Corbin-Russwin). Obeys required rules set by Corbin-Russwin, Sargent, Medeco, and Assa respectively. Randomize function will generate completely random charts each time it is triggered while obeying any applicable MACS rules. Easy to use interface: Every text field "autotabs" so there is no need to tap on every box. Freeze inputs and functions by tapping the Lock/Unlock toggle to prevent unwanted changes. MACS chart provided in information page for Medeco. AirPrint or Email systems. Compatibility: iPhone / iPod touch on iOS 8.0 or later and iPad on iOS 12.0 or later. Found a bug? Something not working? Have a suggestion? Feel free to contact me via email: farren@phoxlocks.com
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
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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 price: Black Widow Key Machine V2 at Free against LFIC's $5.99. Black Widow Key Machine V2 also leads on update cadence (monthly vs every 4 months). LFIC's advantage is review sentiment (33% vs 0%) and rating (3.4 vs 3.0). On ratings volume, 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; LFIC costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LFIC holds the better App Store score, 3.4 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 33% of LFIC's written reviews are positive against 0% of Black Widow Key Machine V2's.
LFIC ships an update every 4 months, Black Widow Key Machine V2 monthly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.
| Parameter | LFIC | Black Widow Key Machine V2 |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 3.4 (5 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 33.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 2 MB | 317 MB |
| Age rating | 4+ | 4+ |
| Developer | Farren Domenici | Lock Labs, Inc. |
Customer experience
LFIC
Black Widow Key Machine V2
In-app purchases
LFIC
No in-app purchases
Black Widow Key Machine V2
No in-app purchases
Questions
Is LFIC free?
Is Black Widow Key Machine V2 free?
Which has better reviews, LFIC or Black Widow Key Machine V2?
Do LFIC or Black Widow Key Machine V2 have ads?
Which is updated more often, LFIC or Black Widow Key Machine V2?
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