# STELLAR BODIES vs Sleep90

The clearest difference is ads: STELLAR BODIES at none against Sleep90's shown. Sleep90's advantage is update cadence (every 5 days vs monthly) and ratings volume (7 vs 1). On price, rating, in-app purchases and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for STELLAR BODIES against 5.0 for Sleep90. That said, the two scores are not equally well evidenced: Sleep90 has 7 ratings behind it against 1, so its average is the more settled of the two.

STELLAR BODIES ships an update monthly, Sleep90 every 5 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | STELLAR BODIES | Sleep90 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/stellar-bodies/id938738825/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/sleep90/id6745744363/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 190 MB | 18 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stellar Bodies](https://appshunter.io/developer/1446031156) | [RussellCorp, LLC](https://appshunter.io/developer/1803841364) |

## What reviewers say

### STELLAR BODIES

[App page](https://appshunter.io/ios/app/stellar-bodies/id938738825)

Easily plan and schedule fitness classes directly from your mobile device. View class schedules, sign up, and access location information. Optimize your time and maximize convenience.

**Highlights:** View class schedules, Sign up for classes, Access location information, Mobile class management, Direct link to Facebook page

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

**In-app purchases:** none


### Sleep90

[App page](https://appshunter.io/ios/app/sleep90/id6745744363)

This app calculates optimal bedtimes and wake-up times based on natural sleep cycles to help you feel more refreshed. It features a user-friendly interface with personalization options and privacy-focused design.

**Highlights:** Calculate optimal bedtimes and wake-up times, Personalize with light and dark themes, Haptic feedback for actions, Save sleep preferences, Privacy-focused design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STELLAR BODIES free?

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

### Is Sleep90 free?

Sleep90 is free to download, with no in-app purchases.

### Which has better reviews, STELLAR BODIES or Sleep90?

STELLAR BODIES and Sleep90 are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do STELLAR BODIES or Sleep90 have ads?

Sleep90 shows ads; STELLAR BODIES does not.

### Which is updated more often, STELLAR BODIES or Sleep90?

STELLAR BODIES ships an update monthly, and Sleep90 every 5 days. Most recently, STELLAR BODIES was updated on November 1, 2026 and Sleep90 on October 30, 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.*