# Breas Nitelog vs EMST

The clearest difference is update cadence: EMST at every 3 weeks against Breas Nitelog's every 4 months. 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.

Breas Nitelog ships an update every 4 months, EMST every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Breas Nitelog | EMST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (14 ratings)](https://appshunter.io/ios/app/breas-nitelog/id1495351390/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 4.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 18 MB | 61 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Human Design Medical LLC](https://appshunter.io/developer/923153552) | [深圳欧蓝德医疗器械有限公司](https://appshunter.io/developer/1358234359) |

## What reviewers say

### Breas Nitelog

[App page](https://appshunter.io/ios/app/breas-nitelog/id1495351390)

Control your CPAP device, track sleep quality with detailed charts, and generate compliance reports. Easily share your sleep data with your healthcare provider. Ideal for both daily use and travel.

**Highlights:** Device control, Sleep quality monitoring, Compliance reporting, Data sharing with providers, Travel-friendly CPAP companion

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Machine works mechanically
- 👍 App is an improvement over previous version

**What reviewers complain about**

- 🐛 App won't stay connected
- 🐛 App won't recognize device
- 🐛 Randomly assigns future dates
- 🐛 Misses data after sync
- 🐛 App only records sleep sporadically

**Reported bugs**

- App won't stay connected
- App won't recognize device
- Randomly assigns future dates to data
- Misses data after sync
- App only records sleep sporadically

**Requested features**

- Update app to work consistently
- Newer app addressing data needs
- Fully functional Bluetooth interface
- More updates like upload data to cloud
- Fix app to allow password entry


### EMST

[App page](https://appshunter.io/ios/app/emst/id1671489057)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Breas Nitelog free?

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

### Is EMST free?

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

### Do Breas Nitelog or EMST have ads?

Neither Breas Nitelog nor EMST shows ads.

### Which is updated more often, Breas Nitelog or EMST?

Breas Nitelog ships an update every 4 months, and EMST every 3 weeks. Most recently, Breas Nitelog was updated on October 24, 2026 and EMST on October 25, 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.*