# retimer vs titanOS

The clearest difference is update cadence: titanOS at every 4 days against retimer's every 3 weeks. retimer's advantage is iOS requirement (13.0 vs 15.1). 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.

retimer ships an update every 3 weeks, titanOS every 4 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | retimer | titanOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/retimer/id6475566801/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 108 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Re-Time Pty Ltd](https://appshunter.io/developer/637379603) | [MA CORP](https://appshunter.io/developer/6797732405) |

## What reviewers say

### retimer

[App page](https://appshunter.io/ios/app/retimer/id6475566801)

This app helps manage and monitor your circadian rhythm to improve sleep and energy levels. It works with a light therapy wearable to address issues like jet lag, irregular work hours, and general sleep difficulties.

**Highlights:** Circadian rhythm management, Sleep monitoring, Energy level improvement, Jet lag adjustment, Light therapy integration

**Features:** macOS Compatibility

**In-app purchases:** none


### titanOS

[App page](https://appshunter.io/ios/app/titanos/id6797732403)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is retimer free?

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

### Is titanOS free?

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

### Do retimer or titanOS have ads?

Neither retimer nor titanOS shows ads.

### Which is updated more often, retimer or titanOS?

retimer ships an update every 3 weeks, and titanOS every 4 days. Most recently, retimer was updated on October 4, 2026 and titanOS on October 14, 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.*