# Absolute Rest vs Ciridian

The clearest difference is update cadence: Absolute Rest at every 3 weeks against Ciridian's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Absolute Rest ships an update every 3 weeks, Ciridian every 2 months. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Absolute Rest | Ciridian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/absolute-rest/id6475053795/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 41 MB | 27 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Absolute Rest, Inc](https://appshunter.io/developer/1723237362) | [Ciridian](https://appshunter.io/developer/1781066276) |

## 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 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


### Ciridian

[App page](https://appshunter.io/ios/app/ciridian/id6738507790)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Absolute Rest free?

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

### Is Ciridian free?

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

### Do Absolute Rest or Ciridian have ads?

Neither Absolute Rest nor Ciridian shows ads.

### Which is updated more often, Absolute Rest or Ciridian?

Absolute Rest ships an update every 3 weeks, and Ciridian every 2 months. Most recently, Absolute Rest was updated on October 5, 2026 and Ciridian on September 27, 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.*