# Polyphasic Sleep vs daydot

The clearest difference is in-app purchases: daydot at none against Polyphasic Sleep's 5. daydot also leads on update cadence (daily vs weekly) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Polyphasic Sleep sells 5 in-app purchases, starting at $4.99 per 7 days. daydot asks for nothing beyond the download.

Polyphasic Sleep ships an update weekly, daydot daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Polyphasic Sleep | daydot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/polyphasic-sleep-polynap/id6746938552/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Freemium | — |
| Size | 66 MB | 17 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SALIM TANER CELIK](https://appshunter.io/developer/1799263246) | [Jeongbin Park](https://appshunter.io/developer/1819440689) |

## What reviewers say

### Polyphasic Sleep

[App page](https://appshunter.io/ios/app/polyphasic-sleep-polynap/id6746938552)

This app guides users through adopting and maintaining polyphasic sleep schedules. It offers personalized recommendations, smart alarms, and progress tracking to help users gain more control over their time and build consistent sleep routines.

**Highlights:** Personalized sleep schedule recommendations, Multiple polyphasic sleep schedule exploration, Smart alarms and nap reminders, Progress tracking for adaptation and consistency, Routine-building feedback, Explore various sleep cycles (Everyman, Uberman, etc.)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PolyNap Premium Weekly | $4.99 | per 7 days |
| PolyNap Premium Monthly | $8.99 | per month |
| Premium Annual Discount | $24.99 | per year |
| PolyNap Premium Yearly | $34.99 | per year |
| PolyNap Premium Lifetime | $99.99 | one-time |


### daydot

[App page](https://appshunter.io/ios/app/daydot/id6753617820)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polyphasic Sleep free?

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

### Is daydot free?

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

### Do Polyphasic Sleep or daydot have ads?

Neither Polyphasic Sleep nor daydot shows ads.

### Which is updated more often, Polyphasic Sleep or daydot?

Polyphasic Sleep ships an update weekly, and daydot daily. Most recently, Polyphasic Sleep was updated on October 28, 2026 and daydot on October 24, 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.*