LFIC vs JMA America
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
JMA America
Easily find locksmiths in your area and identify the keys you need. Access a catalog of competitor key codes and download it for offline use. Connect with locksmiths via phone or email.
- Find local locksmiths
- Identify key codes
- Competitor key reference list
- Offline key catalog download
- Contact locksmiths by phone/email
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Now it's faster and easier than ever to find a locksmith and identify the key you need. JMA offers, among others, the following functions: * A list of references with the codes of the different competitors that exist in the market. * Find locksmiths in the area where you are so you can contact us by phone or email. * The keys catalog could be downloaded to the phone, to work offline.
Screenshots
Verdict
The clearest difference is price: JMA America at Free against LFIC's $5.99. JMA America also leads on update cadence (every 9 days vs every 4 months). LFIC's advantage is rating (3.4 vs 1.0) and review sentiment (33% vs 0%). 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
JMA America 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 1.0. That said, the two scores are not equally well evidenced: LFIC has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of LFIC's written reviews are positive against 0% of JMA America's.
LFIC ships an update every 4 months, JMA America every 9 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.
| Parameter | LFIC | JMA America |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 3.4 (5 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 33.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Farren Domenici | Eduardo Romero |
Customer experience
LFIC
JMA America
In-app purchases
LFIC
No in-app purchases
JMA America
No in-app purchases
