# Code 4 Pro vs Absolute Rest

The clearest difference is rating: Code 4 Pro at 5.0 against Absolute Rest's 3.7. Absolute Rest's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Code 4 Pro holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Code 4 Pro ships an update every 2 months, Absolute Rest every 3 weeks. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Code 4 Pro | Absolute Rest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/code-4-pro/id1662288600/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/absolute-rest/id6475053795/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 41 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Code 4 Pro Inc](https://appshunter.io/developer/1662288602) | [Absolute Rest, Inc](https://appshunter.io/developer/1723237362) |

## What reviewers say

### Code 4 Pro

[App page](https://appshunter.io/ios/app/code-4-pro/id1662288600)

This app collects biometric data from a wearable sensor via Bluetooth. The data is processed in the cloud and displayed to users through the phone application, providing stress information.

**Highlights:** Wearable sensor data collection, Bluetooth connectivity, Cloud data processing, Stress information display, Fitness tracking

**In-app purchases:** none


### 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 through the autonomic nervous system. 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


## Frequently asked questions

### Is Code 4 Pro free?

Code 4 Pro is free to download, with no in-app purchases.

### Is Absolute Rest free?

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

### Which has better reviews, Code 4 Pro or Absolute Rest?

Code 4 Pro is rated higher. Code 4 Pro averages 5.0 out of 5 from 1 ratings, while Absolute Rest averages 3.7 from 3 ratings.

### Do Code 4 Pro or Absolute Rest have ads?

Neither Code 4 Pro nor Absolute Rest shows ads.

### Which is updated more often, Code 4 Pro or Absolute Rest?

Code 4 Pro ships an update every 2 months, and Absolute Rest every 3 weeks. Most recently, Code 4 Pro was updated on September 28, 2026 and Absolute Rest on October 5, 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.*