# Rapid Modules vs Gt

The clearest difference is update cadence: Gt at weekly against Rapid Modules's every 3 months. Rapid Modules's advantage is iOS requirement (15.0 vs 17.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rapid Modules ships an update every 3 months, Gt weekly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Rapid Modules | Gt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 31 MB | 55 MB |
| Requires iOS | **15.0** | 17.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dimsport Srl](https://appshunter.io/developer/1457853574) | [Athanasios Farmakis](https://appshunter.io/developer/1711239231) |

## What reviewers say

### Rapid Modules

[App page](https://appshunter.io/ios/app/rapid-modules/id1533219522)

**Features:** Vision Pro support

**In-app purchases:** none


### Gt

[App page](https://appshunter.io/ios/app/gt-flasher/id6469004059)

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.

**Highlights:** Log engine management systems, Configure gearbox management systems, UDS protocol support, OBD II connectivity, Open source OBD BLE device compatibility, Programming recovery feature

**In-app purchases:** none


## Frequently asked questions

### Is Rapid Modules free?

Rapid Modules is free to download, with no in-app purchases.

### Is Gt free?

Gt is free to download, with no in-app purchases.

### Do Rapid Modules or Gt have ads?

Neither Rapid Modules nor Gt shows ads.

### Which is updated more often, Rapid Modules or Gt?

Rapid Modules ships an update every 3 months, and Gt weekly. Most recently, Rapid Modules was updated on September 10, 2026 and Gt on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*