A4Calc vs Maverick Key Cutting Machine
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
A4Calc
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A4 Small Format Interchangeable Core Calculator (sister app of A2Calc and A3Calc) ---Programmed by a Locksmith, for Locksmiths--- Automatically calculates the pinning chart for A4 SFIC. Built for 6 or 7 pin systems, however, less can be achieved by using a decimal to erase a chamber. Minimum of a control and master key are required to make a chart. Additional change key available for all devices; 2 change keys available for 16:9 screen devices. Randomize function will generate completely random charts each time it is triggered. "Lock/Unlock" toggle disables/enables all inputs and functions to prevent unwanted/lost changes. Control Finder is an added bonus by reverse engineering a core to determine the control key's bitting. This is perfect when needing to remove multiple cores in a building when the control key has been lost. There are two methods for achieving the control key: 1. using the master, control, and bottom pins, or 2. using only the top/driver pins. Up to 16 different projects can be saved at any one given time. All projects are encrypted and protected with a passcode when stored on your device. All projects can be exported via AirPrint and Email. 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
Maverick Key Cutting Machine
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The Maverick Key Cutting Machine is the ideal solution for those looking for an inexpensive backup, or entry-level key machine backed by a reputable American company with state-side technical support and warranty repair services. Unlike other machines at this price point, The Maverick can decode, originate, and duplicate all major commercial and residential keys while boasting one of the most comprehensive automotive key code databases in its class. It also makes quick work of motorcycle keys, single and double-edge keys, 6 and 8-cut Tibbe, dimple keys, and it can even handle tubular keys (a.k.a. Ace keys for you old timers). All but high-security and double-edge automotive require nothing more than an inexpensive supplemental jaw from your preferred Maverick dealer.
Screenshots
Verdict
The clearest difference is price: Maverick Key Cutting Machine at Free against A4Calc's $4.99. Maverick Key Cutting Machine also leads on update cadence (every 2 months vs every 8 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Maverick Key Cutting Machine is free to download; A4Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
A4Calc ships an update every 8 months, Maverick Key Cutting Machine every 2 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.
| Parameter | A4Calc | Maverick Key Cutting Machine |
|---|---|---|
| Price | $4.99 | Free โ better |
| Update frequency | Every 8 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 โ better | 13.0 |
| Further details โ not scored | ||
| Size | 2 MB | 308 MB |
| Age rating | 4+ | 4+ |
| Developer | Farren Domenici | Lock Labs, Inc. |
In-app purchases
A4Calc
No in-app purchases
Maverick Key Cutting Machine
No in-app purchases
Questions
Is A4Calc free?
Is Maverick Key Cutting Machine free?
Do A4Calc or Maverick Key Cutting Machine have ads?
Which is updated more often, A4Calc or Maverick Key Cutting Machine?
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