# Restin vs O

The clearest difference is iOS requirement: Restin at 13.0 against O's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Restin ships an update weekly, O every 2 weeks. The most recent releases landed on October 7, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Restin | O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/o-atlas/id6779100522/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free |
| Size | 49 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [haru kobayashi](https://appshunter.io/developer/1713964941) | [Masaya Tojo](https://appshunter.io/developer/6779100524) |

## What reviewers say

### Restin

[App page](https://appshunter.io/ios/app/restin/id6470670439)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### O

[App page](https://appshunter.io/ios/app/o-atlas/id6779100522)

Explore the world with a detailed, orienteering-style map featuring high-resolution contour lines and customizable scales. Create and import orienteering courses, view satellite imagery, and navigate with your current location and heading.

**Highlights:** Worldwide maps from OpenStreetMap, Selectable contour intervals, Customizable map scales, Offline map caching, Satellite imagery, Orienteering course creation, Import/export IOF XML course files

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Restin free?

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

### Is O free?

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

### Do Restin or O have ads?

Neither Restin nor O shows ads.

### Which is updated more often, Restin or O?

Restin ships an update weekly, and O every 2 weeks. Most recently, Restin was updated on October 7, 2026 and O on October 23, 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.*