Comparison

STELLAR BODIES vs Sleep90

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

STELLAR BODIES

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
Read full description

Download the Stellar Bodies App today to plan and schedule your classes! From this App you can view class schedules, sign-up for classes, as well as view location information. You can also click through to our Facebook page! Optimize your time and maximize the convenience of signing up for classes from your mobile device! Download this App today! Also be sure to check out our website at: http://stellarbodiesatl.com/

About

Sleep90

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
Read full description

Sleep90 – Smarter Sleep, Better Mornings Have you ever gotten 8 hours of sleep and still felt exhausted? That's because 8 hours wakes you up in the middle of your deepest sleep stage. Wake up refreshed! Sleep90 is your intelligent sleep calculator, designed to help you find the perfect time to go to bed or wake up, based on natural sleep cycles. With a beautiful, easy-to-use interface, haptic feedback, and dark mode support, Sleep90 makes it simple to maximize your rest and start every day at your best. Key Features: - Calculate optimal bedtimes and wake-up times with a tap - Personalize your experience with light and dark themes - Enjoy smooth, tactile haptic feedback for every action - Save your sleep preferences for quick access - Modern, privacy-focused design Whether you want to avoid morning grogginess or just get the most out of your sleep, Sleep90 helps you plan your nights for better days. Download now and take the guesswork out of a good night’s sleep! All Sleep Data is kept on device to optimize privacy.

Screenshots

STELLAR BODIES3 screens
Sleep903 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
STELLAR BODIES versus Sleep90: the parameters behind the verdict, then further details
ParameterSTELLAR BODIESSleep90
PriceFreeFree
Rating5.0 (1 ratings)5.0 (7 ratings)
Positive reviews—100.0% of reviews
Number of ratings17 — better
Update frequencyMonthlyEvery 5 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size190 MB18 MB
Age rating4+4+
DeveloperStellar BodiesRussellCorp, LLC

Customer experience

STELLAR BODIES

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Sleep90

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

STELLAR BODIES

No in-app purchases

None

Sleep90

No in-app purchases

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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