# Sleep Cycle vs Uni

The clearest difference is in-app purchases: Uni at none against Sleep Cycle's 2. Uni also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sleep Cycle sells 2 in-app purchases, starting at $0.99 per month. Uni asks for nothing beyond the download.

Sleep Cycle ships an update every 3 weeks, Uni every 5 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Sleep Cycle | Uni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/sleep-cycle-sleep-calculator/id1552695029/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 133 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [www.unihealth.app](https://appshunter.io/developer/1649368267) |

## What reviewers say

### Sleep Cycle

[App page](https://appshunter.io/ios/app/sleep-cycle-sleep-calculator/id1552695029)

This alarm clock app helps you wake up feeling refreshed by analyzing your sleep cycles. It uses natural sounds to gently rouse you at the optimal moment, ensuring a more energized start to your day.

**Highlights:** Sleep cycle analysis, Smart alarm clock, Natural wake-up sounds, Sleep time calculation, Light and dark themes, Multiple alarm sounds

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Sleep Calculator+ | $0.99 | per month |
| Annual Sleep Calculator+ | $7.99 | per year |


### Uni

[App page](https://appshunter.io/ios/app/uni-pro/id6502233434)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Cycle free?

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

### Is Uni free?

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

### Do Sleep Cycle or Uni have ads?

Sleep Cycle shows ads; Uni does not.

### Which is updated more often, Sleep Cycle or Uni?

Sleep Cycle ships an update every 3 weeks, and Uni every 5 weeks. Most recently, Sleep Cycle was updated on November 7, 2026 and Uni on November 8, 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.*