# MLS Sleep vs OpenRock

The clearest difference is update cadence: OpenRock at every 3 weeks against MLS Sleep's every 4 months. MLS Sleep's advantage is iOS requirement (10.0 vs 13.0). 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.

MLS Sleep ships an update every 4 months, OpenRock every 3 weeks. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MLS Sleep | OpenRock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/openrock/id6475270460/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 43 MB | 17 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Shenzhen Glamour Technology Co., Ltd.](https://appshunter.io/developer/1555640422) | [YI Zhao (SHENZHEN) Co.,limited](https://appshunter.io/developer/1723789397) |

## What reviewers say

### MLS Sleep

[App page](https://appshunter.io/ios/app/mls-sleep/id1610481975)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenRock

[App page](https://appshunter.io/ios/app/openrock/id6475270460)

Customize your earbuds with this app. Adjust sound settings, gestures, and power options. Keep your earbuds updated with the latest firmware.

**Highlights:** Equalizer settings, Gesture customization, Spatial sound control, Sound balance adjustment, Auto power off settings, Voice prompt options, Find my buds feature, Firmware upgrades

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MLS Sleep free?

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

### Is OpenRock free?

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

### Do MLS Sleep or OpenRock have ads?

Neither MLS Sleep nor OpenRock shows ads.

### Which is updated more often, MLS Sleep or OpenRock?

MLS Sleep ships an update every 4 months, and OpenRock every 3 weeks. Most recently, MLS Sleep was updated on October 19, 2026 and OpenRock on October 10, 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.*