# Polyphasic Sleep Schedules vs DayDot

The clearest difference is in-app purchases: Polyphasic Sleep Schedules at none against DayDot's 1. Polyphasic Sleep Schedules also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. DayDot sells 1 one-off in-app purchase. Polyphasic Sleep Schedules asks for nothing beyond the download.

## The numbers

| Metric | Polyphasic Sleep Schedules | DayDot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 35 MB | 14 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Oakman](https://appshunter.io/developer/1773350377) | [MacLaren's Studio](https://appshunter.io/developer/549588446) |

## What reviewers say

### Polyphasic Sleep Schedules

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DayDot

[App page](https://appshunter.io/ios/app/daydot-event-countdown/id6758927138)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DayDot Premium | $2.99 | one-time |


## Frequently asked questions

### Is Polyphasic Sleep Schedules free?

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

### Is DayDot free?

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

### Do Polyphasic Sleep Schedules or DayDot have ads?

Neither Polyphasic Sleep Schedules nor DayDot 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.*