# Somnofy Research vs SleepBytes

The clearest difference is update cadence: Somnofy Research at fortnightly against SleepBytes's every 3 months. SleepBytes's advantage is iOS requirement (10.0 vs 17.0). 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.

Somnofy Research ships an update fortnightly, SleepBytes every 3 months. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Somnofy Research | SleepBytes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 54 MB | 66 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VitalThings AS](https://appshunter.io/developer/1414339737) | [SiliconeSignal Technologies](https://appshunter.io/developer/1559911870) |

## What reviewers say

### Somnofy Research

[App page](https://appshunter.io/ios/app/somnofy-research/id1478466245)

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepBytes

[App page](https://appshunter.io/ios/app/sleepbytes/id1660749766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Somnofy Research free?

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

### Is SleepBytes free?

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

### Do Somnofy Research or SleepBytes have ads?

Neither Somnofy Research nor SleepBytes shows ads.

### Which is updated more often, Somnofy Research or SleepBytes?

Somnofy Research ships an update fortnightly, and SleepBytes every 3 months. Most recently, Somnofy Research was updated on October 6, 2026 and SleepBytes on October 18, 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.*