# Polyphasic Sleep Schedules vs Cycle Sleep Rest

Polyphasic Sleep Schedules and Cycle Sleep Rest are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Polyphasic Sleep Schedules | Cycle Sleep Rest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 35 MB | 90 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Oakman](https://appshunter.io/developer/1773350377) | [Tran Phuong Nga](https://appshunter.io/developer/1896554090) |

## What reviewers say

### Polyphasic Sleep Schedules

[App page](https://appshunter.io/ios/app/polyphasic-sleep-schedules/id6743132833)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cycle Sleep Rest

[App page](https://appshunter.io/ios/app/cycle-sleep-rest/id6786232729)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polyphasic Sleep Schedules free?

Polyphasic Sleep Schedules is free to download, with no in-app purchases.

### Is Cycle Sleep Rest free?

Cycle Sleep Rest is free to download, with no in-app purchases.

### Do Polyphasic Sleep Schedules or Cycle Sleep Rest have ads?

Neither Polyphasic Sleep Schedules nor Cycle Sleep Rest shows ads.

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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.*