Comparison

AvioFuel vs GT Max

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AvioFuel

This aviation utility calculates fuel loading and payload for small turbine aircraft. It helps detect overweight conditions and provides quick, precise refuel calculations with customizable aircraft profiles and real-time updates.

Highlights
  • Fuel loading and payload calculation
  • Overweight condition detection
  • Customizable aircraft database
  • Real-time calculation updates
  • Multiple fuel input methods
  • Unit conversions
Features
Read full description

Rated #5 in the 'Top 10 Aviation Apps (you haven't heard of)' - iPadPilotNews AvioFuel is a Fuel Loading and Payload calculator designed for small turbine aircraft. Check overweight conditions based on the current Fuel/Payload configuration and the aircraft weight limits. Featuring an editable aircraft database with fully customizable aircraft profiles, AvioFuel is a great tool for quick and precise refuel calculations. Key Features: • Aircraft database: The app ships with 10 pre-defined, well-known aircraft models, but you can add as many aircraft as you want, modify the existing ones or even remove them from the database. • Aircraft profiles: Each aircraft has its own specs, which you can (and should) review/modify in order to match the aircraft you're flying. • Different standard volume and mass units to choose from, featuring instant unit conversions. • Payload / Fuel weight calculations based on your inputs and the aircraft's structural weight limitations. Overweight detection with color-coded status messages, exceeded quantities and correction suggestions. Dynamic Max Payload / Max Fuel calculations. • Fast, real-time calculations: Every change you make on the input variables will instantly update the results. • Choose between two Fuel-on-board input methods: Total Fuel or fuel in Right + Left tanks. • Balanced fuel uplifts for each tank when using the R+L FOB Mode. • Clean user interface: designed for quick operation and great usability.

About

GT Max

Features
Read full description

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!

Screenshots

AvioFuel4 screens
GT Max4 screens

Verdict

The call

The clearest difference is price: GT Max at Free against AvioFuel's $3.99. GT Max also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

GT Max is free to download; AvioFuel costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AvioFuel ships an update every 13 months, GT Max every 10 months. The most recent releases landed on October 30, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
AvioFuel versus GT Max: the parameters behind the verdict, then further details
ParameterAvioFuelGT Max
Price$3.99Free — better
Rating3.7 (7 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 13 monthsEvery 10 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size1 MB38 MB
Age rating4+4+
DeveloperThe Aviobot FactoryMACNIL Gruppo ZUCCHETTI

In-app purchases

None

AvioFuel

No in-app purchases

None

GT Max

No in-app purchases

Questions

Is AvioFuel free?
AvioFuel costs $3.99, with no in-app purchases.
Is GT Max free?
GT Max is free to download, with no in-app purchases.
Do AvioFuel or GT Max have ads?
Neither AvioFuel nor GT Max shows ads.
Which is updated more often, AvioFuel or GT Max?
AvioFuel ships an update every 13 months, and GT Max every 10 months. Most recently, AvioFuel was updated on October 30, 2026 and GT Max on October 3, 2026.

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