GL vs GTP API Gravity Calculator2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GL
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GL-Configurator is an app for configuring a GunterLINQ Bluetooth device. Supported GunterLINQ devices: * Type 1 : Universal version, up to 8 buttons over two 5-pins M8 connector. * Type 3 : Compatible with RNS remote switches, up to 8 buttons over two 3-pins and one 4-pins M8 connector. Features: * Displays device information. * Change the remote button layout. * Set the keyboard layout for easier entry of key combinations. * Set the device its active preset. * Define presets for different apps. * Define commands for switching between apps. * Test, validate your remote buttons configuration. * Import (restore) and export (backup) of a configuration from or to file. * Multiple devices can be connected at once. * Keep a list of configurations. * Off-the-bike configuration: modify a configuration for later uploading to the device. * A virtual device can be created for the purpose of testing the app or off-the-bike configuration. * The app supports iPhone and iPad, dark mode, portrait and landscape.
GTP API Gravity Calculator2
This application calculates the corrected API gravity at 60°F for jet, gasoline, and diesel fuels. It also determines the total weight of the fuel. It's a digital replacement for physical slide calculators.
- Corrected API gravity calculation
- Total fuel weight calculation
- Supports jet, gasoline, and diesel fuels
- Digital version of slide calculators
- Developed in 2025
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The GTP API Gravity Calculator v2 (Developed 2025) from Gammon Technical Products, Inc. provides users the ability to determine corrected API at 60 Deg F for jet, gasoline, and diesel fuels. The calculator is a digital version of our GTP-3012-1A and GTP-2727EF slide calculators and it also is capable of calculating the total weight of the fuel.
Screenshots
Verdict
The clearest difference is price: GL at Free against GTP API Gravity Calculator2's $9.99. GTP API Gravity Calculator2's advantage is chart position (#186 vs unranked) and iOS requirement (12.0 vs 18.0). 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
GL is free to download; GTP API Gravity Calculator2 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | GL | GTP API Gravity Calculator2 |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #186 — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Gunter Van Hauwe | Gammon Technical Products |
In-app purchases
GL
No in-app purchases
GTP API Gravity Calculator2
No in-app purchases
Questions
Is GL free?
Is GTP API Gravity Calculator2 free?
Do GL or GTP API Gravity Calculator2 have ads?
Other comparisons
