# RMVoice vs MusterSleep

The clearest difference is update cadence: MusterSleep at every 4 weeks against RMVoice's every 3 months. RMVoice's advantage is iOS requirement (9.0 vs 12.0). 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.

RMVoice ships an update every 3 months, MusterSleep every 4 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RMVoice | MusterSleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rmvoice/id1473780156/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 131 MB | 40 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) | [Keeson Technology Corporation Limited](https://appshunter.io/developer/1561275126) |

## What reviewers say

### RMVoice

[App page](https://appshunter.io/ios/app/rmvoice/id1473780156)

This intelligent assistant offers an intuitive interactive experience, allowing users to control various functions using voice commands. It simplifies daily life with convenient features and more surprises to discover.

**Highlights:** Voice control functionality, Interactive user experience, Convenient daily life integration, Smart assistant capabilities

**In-app purchases:** none


### MusterSleep

[App page](https://appshunter.io/ios/app/mustersleep/id6743064673)

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

**In-app purchases:** none


## Frequently asked questions

### Is RMVoice free?

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

### Is MusterSleep free?

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

### Do RMVoice or MusterSleep have ads?

Neither RMVoice nor MusterSleep shows ads.

### Which is updated more often, RMVoice or MusterSleep?

RMVoice ships an update every 3 months, and MusterSleep every 4 weeks. Most recently, RMVoice was updated on October 2, 2026 and MusterSleep on October 1, 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.*