GT Max vs AUTHOR FLASHER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GT Max
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Security at your fingertips with GT MAX, the latest generation bluetooth electronic anti-theft device for your car! The App is designed to be used by Macnil GT ALARM users through their mobile device and/or tablet, having a data network (mobile or WiFi). Once installed on your mobile device or tablet, in a few steps you will have to: - Scan the QR Code you find on the GT MAX box; - Activate the Bluetooth of your smartphone to start communicating with the GT MAX; - Register on the form that will appear on the app to receive the access password on your e-mail address - Enter username and password to log in Once you enter the App, you will get a connection with the GT MAX electronic anti-theft system installed on board the car and you will be able to: - Manage your anti-theft device directly from your smartphone - Activate and deactivate the anti-theft device from App - Perform emergency deactivation from App - Check vehicle status and send commands - Check the alarms received directly in the Reports section of the app - See all accessories associated with the GT MAX and check their battery status - Double protection: alarm activation and engine block disarming directly from App GT MAX, the evolution of the GT ALARM anti-theft system!
AUTHOR FLASHER
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AUTHOR FLASHER is a mobile app for professional installers and technical specialists designed to update firmware and configure AUTHOR devices through a smartphone. The app is the mobile version of the AUTHOR FLASHER desktop program and provides access to all the necessary features in a convenient format. After authorization through the user account on AUTHOR’s service portal, a device can be connected and all the necessary operations can be performed, such as viewing information, updating firmware, and configuring parameters. Key features: • Display technical information about the device • Update the firmware • Configure the device’s available features Access and safety: • Only for authorized users of AUTHOR’s service portal • Requires an internet connection • Device must be switched to firmware update mode before connecting Compatibility: • iOS 15.0 and higher Supported devices: • AUTHOR IGLA, AUTHOR ALARM, AUTHOR IGLA LF, AUTHOR IGLA C (nRF 8.0+, STM 3.5.0+) • AUTHOR AUTOSTART (nRF 8.0+, STM 1.3+) • AUTHOR KLB (nRF 8.0+, STM 3.5+) • AUTHOR IGLA FD, AUTHOR ALARM FD. AUTHOR FLASHER is a tool for working efficiently with AUTHOR devices in a professional environment.
Screenshots
Verdict
The clearest difference is update cadence: AUTHOR FLASHER at every 2 months against GT Max's every 8 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GT Max ships an update every 8 months, AUTHOR FLASHER every 2 months. The most recent releases landed on March 7, 2026 and September 10, 2026 respectively.
| Parameter | GT Max | AUTHOR FLASHER |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 43 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | MACNIL Gruppo ZUCCHETTI | AUTHOR-ALARM |
In-app purchases
GT Max
No in-app purchases
AUTHOR FLASHER
No in-app purchases









