# Polyphasic Sleep Tracker vs Decision Master

The clearest difference is price: Decision Master at Free against Polyphasic Sleep Tracker's $2.49. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Decision Master is free to download; Polyphasic Sleep Tracker costs $2.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Polyphasic Sleep Tracker | Decision Master |
| --- | --- | --- |
| Price | $2.49 | **Free** |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/polyphasic-sleep-tracker/id6449134102/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FiveSheep OU](https://appshunter.io/developer/1725654318) | [Charles Zimmerlin](https://appshunter.io/developer/1680182934) |

## What reviewers say

### Polyphasic Sleep Tracker

[App page](https://appshunter.io/ios/app/polyphasic-sleep-tracker/id6449134102)

This app helps you master polyphasic sleep schedules to optimize your waking hours. It offers customizable plans, smart reminders, and HealthKit integration to track and adjust your sleep patterns.

**Highlights:** Customizable sleep plans, Smart sleep reminders, HealthKit integration, Dark mode, Multiple sleep schedule options

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

**In-app purchases:** none


### Decision Master

[App page](https://appshunter.io/ios/app/decision-master-fast-decision/id6757185583)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polyphasic Sleep Tracker free?

Polyphasic Sleep Tracker costs $2.49, with no in-app purchases.

### Is Decision Master free?

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

### Do Polyphasic Sleep Tracker or Decision Master have ads?

Neither Polyphasic Sleep Tracker nor Decision Master 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.*