# 6 Timers vs ST BLE Sensor Classic

The clearest difference is price: ST BLE Sensor Classic at Free against 6 Timers's $0.99. ST BLE Sensor Classic also leads on update cadence (every 6 months vs every 18 months) and iOS requirement (13.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

ST BLE Sensor Classic is free to download; 6 Timers costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

6 Timers ships an update every 18 months, ST BLE Sensor Classic every 6 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 6 Timers | ST BLE Sensor Classic |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/st-ble-sensor-classic/id6447749695/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 1 MB | 71 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hmiMAX](https://appshunter.io/developer/576760681) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### 6 Timers

[App page](https://appshunter.io/ios/app/6-timers/id1426200425)

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

**In-app purchases:** none


### ST BLE Sensor Classic

[App page](https://appshunter.io/ios/app/st-ble-sensor-classic/id6447749695)

This app connects to ST development boards via Bluetooth Low Energy to access sensor data. It allows logging data to cloud providers and updating board firmware directly from your mobile device.

**Highlights:** Access sensor data, Log data to cloud providers, Update board firmware, Discover board functionalities, Supports motion-sensor data fusion, Activity recognition, Pedometer functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 6 Timers free?

6 Timers costs $0.99, with no in-app purchases.

### Is ST BLE Sensor Classic free?

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

### Do 6 Timers or ST BLE Sensor Classic have ads?

Neither 6 Timers nor ST BLE Sensor Classic shows ads.

### Which is updated more often, 6 Timers or ST BLE Sensor Classic?

6 Timers ships an update every 18 months, and ST BLE Sensor Classic every 6 months. Most recently, 6 Timers was updated on October 2, 2026 and ST BLE Sensor Classic on October 4, 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.*