# O vs SCAA Mobile

The clearest difference is update cadence: SCAA Mobile at weekly against O's every 4 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.

O ships an update every 4 months, SCAA Mobile weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | O | SCAA Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 192 MB | 21 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PHOENIX ELEPHANT HOLDING LIMITED](https://appshunter.io/developer/1475496713) | [South China Athletic Assocation](https://appshunter.io/developer/1831013581) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/orin/id1475496714)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### SCAA Mobile

[App page](https://appshunter.io/ios/app/scaa-mobile/id6749542690)

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

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is SCAA Mobile free?

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

### Do O or SCAA Mobile have ads?

Neither O nor SCAA Mobile shows ads.

### Which is updated more often, O or SCAA Mobile?

O ships an update every 4 months, and SCAA Mobile weekly. Most recently, O was updated on October 26, 2026 and SCAA Mobile on October 25, 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.*