# BLE Update vs RSL FOTA

The clearest difference is iOS requirement: RSL FOTA at 10.2 against BLE Update'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.

BLE Update ships an update every 23 months, RSL FOTA every 29 months. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | BLE Update | RSL FOTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ble-update/id1122011908/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 29 months |
| Monetization | Free | — |
| Size | 124 MB | 9 MB |
| Requires iOS | 15.0 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arendi AG](https://appshunter.io/developer/686379619) | [ON SEMICONDUCTOR CORPORATION](https://appshunter.io/developer/720086766) |

## What reviewers say

### BLE Update

[App page](https://appshunter.io/ios/app/ble-update/id1122011908)

This utility app enables convenient over-the-air firmware updates for Bluetooth Low Energy devices. It is specifically designed for devices utilizing the Arendi BLE-Platform, allowing seamless updates directly from your mail application.

**Highlights:** Over-the-air firmware updates, Bluetooth Low Energy device support, Arendi BLE-Platform integration, Convenient updates from mail app

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

**In-app purchases:** none


### RSL FOTA

[App page](https://appshunter.io/ios/app/rsl-fota/id1477779771)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BLE Update free?

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

### Is RSL FOTA free?

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

### Do BLE Update or RSL FOTA have ads?

Neither BLE Update nor RSL FOTA shows ads.

### Which is updated more often, BLE Update or RSL FOTA?

BLE Update ships an update every 23 months, and RSL FOTA every 29 months. Most recently, BLE Update was updated on October 6, 2026 and RSL FOTA on September 27, 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.*