MRX vs Gt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MRX
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**Function Application** - Easy install - Real-Time Tuning - Injector Tuning - Ignition Tuning
Gt
This application enables users to log and configure modern engine and gearbox management systems. It utilizes the UDS protocol over OBD II with open-source OBD BLE devices. The app supports programming recovery for most platforms if a configuration procedure is interrupted.
- Log engine management systems
- Configure gearbox management systems
- UDS protocol support
- OBD II connectivity
- Open source OBD BLE device compatibility
- Programming recovery feature
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Application that allows users log and configure modern Engine and Gearbox management systems using the UDS protocol over OBD II using various open source OBD BLE devices. Our application supports programming recovery on most supported platforms if the configuration procedure is interrupted. You can restart the procedure if the previous attempt has failed.
Screenshots
Verdict
The clearest difference is iOS requirement: MRX at 8.0 against Gt's 17.4. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MRX ships an update every 3 weeks, Gt every 11 days. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.
| Parameter | MRX | Gt |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 56 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Suthipoj tripuwabhrut | Athanasios Farmakis |
In-app purchases
MRX
No in-app purchases
Gt
No in-app purchases
