# Sleep Calculator App vs Olympsis

The clearest difference is review sentiment: Olympsis at 100% against Sleep Calculator App's 0%. Olympsis also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 1). Sleep Calculator App's advantage is iOS requirement (15.1 vs 17). On price, ratings volume and device support there is nothing between them.

Both are free to download. Sleep Calculator App sells 1 one-off in-app purchase. Olympsis asks for nothing beyond the download.

Olympsis holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 0% of Sleep Calculator App's written reviews are positive against 100% of Olympsis's.

Sleep Calculator App ships an update every 8 months, Olympsis every 2 weeks. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sleep Calculator App | Olympsis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sleep-calculator-app/id1608356513/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/olympsis/id6503405536/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 31 MB | 45 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Luz Ochoa](https://appshunter.io/developer/1508017518) | [Olympsis Inc.](https://appshunter.io/developer/1538348172) |

## What reviewers say

### Sleep Calculator App

[App page](https://appshunter.io/ios/app/sleep-calculator-app/id1608356513)

Optimize your sleep by calculating ideal bedtime and wake-up times based on natural 90-minute sleep cycles. Includes relaxing sounds and meditation to help you fall asleep faster and wake up feeling refreshed.

**Highlights:** Calculate best bedtime, Calculate best wake-up time, Select desired wake-up time, Relaxing sounds, Sleep meditation, No registration required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium Subscription | $6.99 | one-time |


### Olympsis

[App page](https://appshunter.io/ios/app/olympsis/id6503405536)

Connect with local sports communities, discover events, and find training partners. This platform helps athletes and enthusiasts stay updated on activities and build their athletic network.

**Highlights:** Create or join sports communities, Discover and RSVP to local events, Receive real-time activity updates, Connect and chat with other athletes, Personalize your sports feed

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Calculator App free?

Sleep Calculator App is free to download, with in-app purchases available.

### Is Olympsis free?

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

### Which has better reviews, Sleep Calculator App or Olympsis?

Olympsis is rated higher. Sleep Calculator App averages 3.0 out of 5 from 2 ratings, while Olympsis averages 5.0 from 3 ratings.

### Do Sleep Calculator App or Olympsis have ads?

Sleep Calculator App shows ads; Olympsis does not.

### Which is updated more often, Sleep Calculator App or Olympsis?

Sleep Calculator App ships an update every 8 months, and Olympsis every 2 weeks. Most recently, Sleep Calculator App was updated on October 21, 2026 and Olympsis on October 15, 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.*