# Absolute Rest vs Dirt Factor

The clearest difference is rating: Dirt Factor at 5.0 against Absolute Rest's 3.7. Dirt Factor also leads on update cadence (every 2 days vs monthly). Absolute Rest's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Dirt Factor sells 2 in-app purchases, starting at $12.00 per month. Absolute Rest asks for nothing beyond the download.

Dirt Factor holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Absolute Rest ships an update monthly, Dirt Factor every 2 days. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Absolute Rest | Dirt Factor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/absolute-rest/id6475053795/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dirt-factor/id6823432067/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 41 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Absolute Rest, Inc](https://appshunter.io/developer/1723237362) | [Kaizen Endurance](https://appshunter.io/developer/6823432069) |

## What reviewers say

### Absolute Rest

[App page](https://appshunter.io/ios/app/absolute-rest/id6475053795)

This app provides a comprehensive sleep management program using an FDA-cleared testing system to analyze sleep patterns. It offers personalized insights and expert support to improve sleep quality and daytime performance.

**Highlights:** Comprehensive sleep assessment, Autonomic nervous system testing, Personalized insights and expert support, User-friendly app interface, Continuous monitoring of sleep parameters

**In-app purchases:** none


### Dirt Factor

[App page](https://appshunter.io/ios/app/dirt-factor/id6823432067)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dirt Factor Premium Monthly | $12.00 | per month |
| Dirt Factor Premium Yearly | $99.00 | per year |


## Frequently asked questions

### Is Absolute Rest free?

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

### Is Dirt Factor free?

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

### Which has better reviews, Absolute Rest or Dirt Factor?

Dirt Factor is rated higher. Absolute Rest averages 3.7 out of 5 from 3 ratings, while Dirt Factor averages 5.0 from 2 ratings.

### Do Absolute Rest or Dirt Factor have ads?

Neither Absolute Rest nor Dirt Factor shows ads.

### Which is updated more often, Absolute Rest or Dirt Factor?

Absolute Rest ships an update monthly, and Dirt Factor every 2 days. Most recently, Absolute Rest was updated on November 8, 2026 and Dirt Factor on November 13, 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.*