# Retra UWT vs Flight Data Uploader

The clearest difference is device support: Retra UWT at 3 against Flight Data Uploader's 1. Retra UWT also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Retra UWT ships an update every 3 months, Flight Data Uploader every 4 months. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Retra UWT | Flight Data Uploader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/retra-uwt/id1472741374/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 51 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Retra UWT, Ltd.](https://appshunter.io/developer/1472741373) | [ANDREW KARNANI-AXELROD](https://appshunter.io/developer/1895441819) |

## What reviewers say

### Retra UWT

[App page](https://appshunter.io/ios/app/retra-uwt/id1472741374)

This app connects to compatible flash devices, allowing users to monitor usage statistics, receive firmware updates, and access user manuals. It serves as a comprehensive tool for managing and maintaining your flash hardware.

**Highlights:** Connect to Retra Flash devices, View usage statistics, Receive firmware updates, Access user manuals, Device management

**Features:** macOS Compatibility

**In-app purchases:** none


### Flight Data Uploader

[App page](https://appshunter.io/ios/app/flight-data-uploader/id6763693738)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Retra UWT free?

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

### Is Flight Data Uploader free?

Flight Data Uploader is free to download, with no in-app purchases.

### Do Retra UWT or Flight Data Uploader have ads?

Neither Retra UWT nor Flight Data Uploader shows ads.

### Which is updated more often, Retra UWT or Flight Data Uploader?

Retra UWT ships an update every 3 months, and Flight Data Uploader every 4 months. Most recently, Retra UWT was updated on October 20, 2026 and Flight Data Uploader on October 7, 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.*