# FlashLock Assistant vs Retra UWT

The clearest difference is rating: FlashLock Assistant at 5.0 against Retra UWT's 4.7. FlashLock Assistant also leads on iOS requirement (11.0 vs 13.0). Retra UWT's advantage is update cadence (every 3 months vs every 11 months). On price, ratings volume, 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.

FlashLock Assistant holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

FlashLock Assistant ships an update every 11 months, Retra UWT every 3 months. The most recent releases landed on September 11, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | FlashLock Assistant | Retra UWT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flashlock-assistant/id1457362620/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/retra-uwt/id1472741374/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 50 MB | 51 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Videx](https://appshunter.io/developer/1249090223) | [Retra UWT, Ltd.](https://appshunter.io/developer/1472741373) |

## What reviewers say

### FlashLock Assistant

[App page](https://appshunter.io/ios/app/flashlock-assistant/id1457362620)

This utility app facilitates Bluetooth communication with FlashBoxes for programming and data synchronization. It also supports battery testing and recording battery changes.

**Highlights:** Bluetooth communication with FlashBoxes, FlashBox programming, Data synchronization with CyberAudit-Web, Battery testing, Battery change recording

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FlashLock Assistant free?

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

### Is Retra UWT free?

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

### Which has better reviews, FlashLock Assistant or Retra UWT?

FlashLock Assistant is rated higher. FlashLock Assistant averages 5.0 out of 5 from 2 ratings, while Retra UWT averages 4.7 from 3 ratings.

### Do FlashLock Assistant or Retra UWT have ads?

Neither FlashLock Assistant nor Retra UWT shows ads.

### Which is updated more often, FlashLock Assistant or Retra UWT?

FlashLock Assistant ships an update every 11 months, and Retra UWT every 3 months. Most recently, FlashLock Assistant was updated on September 11, 2026 and Retra UWT on June 1, 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.*