# u vs ST BLE Toolbox

The clearest difference is iOS requirement: u at 10.0 against ST BLE Toolbox's 15.0. 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.

u ships an update every 9 months, ST BLE Toolbox every 6 months. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | u | ST BLE Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/u-blox-ble/id575523395/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 24 MB | 16 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [u-blox Malmo AB](https://appshunter.io/developer/575523398) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### u

[App page](https://appshunter.io/ios/app/u-blox-ble/id575523395)

This application enables developers to test and evaluate Bluetooth low energy modules from u-blox. It provides a platform for understanding the capabilities of these modules.

**Highlights:** Evaluate Bluetooth low energy modules, Standalone module testing, Developer tool, Module capability assessment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ST BLE Toolbox

[App page](https://appshunter.io/ios/app/st-ble-toolbox/id1531295550)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is u free?

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

### Is ST BLE Toolbox free?

ST BLE Toolbox is free to download, with no in-app purchases.

### Do u or ST BLE Toolbox have ads?

Neither u nor ST BLE Toolbox shows ads.

### Which is updated more often, u or ST BLE Toolbox?

u ships an update every 9 months, and ST BLE Toolbox every 6 months. Most recently, u was updated on October 26, 2026 and ST BLE Toolbox on October 7, 2026.

---

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