# SmartDiaperPaster vs M3 Ambient

The clearest difference is iOS requirement: SmartDiaperPaster at 8.0 against M3 Ambient's 14.0. 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.

SmartDiaperPaster ships an update every 2 months, M3 Ambient every 6 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SmartDiaperPaster | M3 Ambient |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/m3-ambient/id1616668069/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 22 MB | 107 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [北京米萌智能科技有限公司](https://appshunter.io/developer/973097805) | [BEDGEAR, LLC](https://appshunter.io/developer/1231966024) |

## What reviewers say

### SmartDiaperPaster

[App page](https://appshunter.io/ios/app/smartdiaperpaster/id1211505047)

**Features:** macOS Compatibility

**In-app purchases:** none


### M3 Ambient

[App page](https://appshunter.io/ios/app/m3-ambient/id1616668069)

Control your smart bed using Bluetooth or the internet. Adjust settings and manage your sleep experience through this application.

**Highlights:** Smart bed control, BLE connectivity, Internet connectivity, Adjustable settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartDiaperPaster free?

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

### Is M3 Ambient free?

M3 Ambient is free to download, with no in-app purchases.

### Do SmartDiaperPaster or M3 Ambient have ads?

Neither SmartDiaperPaster nor M3 Ambient shows ads.

### Which is updated more often, SmartDiaperPaster or M3 Ambient?

SmartDiaperPaster ships an update every 2 months, and M3 Ambient every 6 weeks. Most recently, SmartDiaperPaster was updated on October 14, 2026 and M3 Ambient on October 24, 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.*