# Murmur BLE Shell vs HeaderX

The clearest difference is device support: HeaderX at 4 against Murmur BLE Shell's 2. 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.

Murmur BLE Shell ships an update every 6 days, HeaderX every 8 days. Both last shipped on September 16, 2026.

## The numbers

| Metric | Murmur BLE Shell | HeaderX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 8 days |
| Size | 42 MB | 1 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DENYS MALYKHIN](https://appshunter.io/developer/1886995029) | [Gyuman Kim](https://appshunter.io/developer/1120436841) |

## What reviewers say

### Murmur BLE Shell

[App page](https://appshunter.io/ios/app/murmur-ble-shell/id6788609558)

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

**In-app purchases:** none


### HeaderX

[App page](https://appshunter.io/ios/app/headerx/id6790552565)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Murmur BLE Shell free?

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

### Is HeaderX free?

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

### Do Murmur BLE Shell or HeaderX have ads?

Neither Murmur BLE Shell nor HeaderX shows ads.

### Which is updated more often, Murmur BLE Shell or HeaderX?

Murmur BLE Shell ships an update every 6 days, and HeaderX every 8 days. Most recently, Murmur BLE Shell was updated on September 16, 2026 and HeaderX on September 16, 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.*