# OMNIFIT BRAIN vs SleepisolBio

The clearest difference is update cadence: SleepisolBio at every 10 days against OMNIFIT BRAIN's every 6 weeks. SleepisolBio also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OMNIFIT BRAIN ships an update every 6 weeks, SleepisolBio every 10 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OMNIFIT BRAIN | SleepisolBio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 101 MB | 1.1 GB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Omnicns](https://appshunter.io/developer/1172054175) | [leesol](https://appshunter.io/developer/1584929445) |

## What reviewers say

### OMNIFIT BRAIN

[App page](https://appshunter.io/ios/app/omnifit-brain/id6642686446)

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepisolBio

[App page](https://appshunter.io/ios/app/sleepisolbio/id6739985543)

**In-app purchases:** none


## Frequently asked questions

### Is OMNIFIT BRAIN free?

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

### Is SleepisolBio free?

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

### Do OMNIFIT BRAIN or SleepisolBio have ads?

Neither OMNIFIT BRAIN nor SleepisolBio shows ads.

### Which is updated more often, OMNIFIT BRAIN or SleepisolBio?

OMNIFIT BRAIN ships an update every 6 weeks, and SleepisolBio every 10 days. Most recently, OMNIFIT BRAIN was updated on October 10, 2026 and SleepisolBio on October 11, 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.*