# Polyphasic Sleep Tracker vs Deep Within

The clearest difference is price: Deep Within at Free against Polyphasic Sleep Tracker's $2.49. Polyphasic Sleep Tracker's advantage is chart position (#189 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Deep Within 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 | Deep Within |
| --- | --- | --- |
| 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 | — |
| Best chart rank | **#189** | — |
| Size | 2 MB | 3 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FiveSheep OU](https://appshunter.io/developer/1725654318) | [Low Latency Labs LLC](https://appshunter.io/developer/1863641150) |

## What reviewers say

### Polyphasic Sleep Tracker

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

**Currently charting:** #189 Top Paid · Lifestyle (US App Store)

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


### Deep Within

[App page](https://appshunter.io/ios/app/deep-within/id6758635159)

**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 Deep Within free?

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

### Do Polyphasic Sleep Tracker or Deep Within have ads?

Neither Polyphasic Sleep Tracker nor Deep Within 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.*