# Murmur BLE Shell vs Astra Shell

The clearest difference is update cadence: Murmur BLE Shell at weekly against Astra Shell's every 4 weeks. Murmur BLE Shell also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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 weekly, Astra Shell every 4 weeks. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Murmur BLE Shell | Astra Shell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Size | 34 MB | 20 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DENYS MALYKHIN](https://appshunter.io/developer/1886995029) | [玥 熊](https://appshunter.io/developer/6780204409) |

## 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


### Astra Shell

[App page](https://appshunter.io/ios/app/astra-shell/id6807410920)

**Features:** macOS Compatibility, 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 Astra Shell free?

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

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

Neither Murmur BLE Shell nor Astra Shell shows ads.

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

Murmur BLE Shell ships an update weekly, and Astra Shell every 4 weeks. Most recently, Murmur BLE Shell was updated on October 20, 2026 and Astra Shell on October 29, 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.*