# mui vs Nitetronic Sleep

The clearest difference is iOS requirement: Nitetronic Sleep at 13.0 against mui's 16.0. 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.

mui ships an update every 3 weeks, Nitetronic Sleep every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | mui | Nitetronic Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mui-calm-design/id1491608576/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 69 MB | 40 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [muilab, Inc](https://appshunter.io/developer/1491608575) | [AIWORKS GLOBAL, INC](https://appshunter.io/developer/1646420078) |

## What reviewers say

### mui

[App page](https://appshunter.io/ios/app/mui-calm-design/id1491608576)

Connect with your family through a dedicated messaging platform. This app also optimizes smart home setup and integration with third-party devices.

**Highlights:** Send messages to mui board, Add events to mui board, Integrate third-party smart home devices, Configure mui board settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Nitetronic Sleep

[App page](https://appshunter.io/ios/app/nitetronic-sleep/id6479600031)

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

**In-app purchases:** none


## Frequently asked questions

### Is mui free?

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

### Is Nitetronic Sleep free?

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

### Do mui or Nitetronic Sleep have ads?

Neither mui nor Nitetronic Sleep shows ads.

### Which is updated more often, mui or Nitetronic Sleep?

mui ships an update every 3 weeks, and Nitetronic Sleep every 2 weeks. Most recently, mui was updated on November 3, 2026 and Nitetronic Sleep on November 4, 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.*