# O vs Flash Dossard

The clearest difference is update cadence: O at every 3 weeks against Flash Dossard's every 6 months. O also leads on iOS requirement (14.0 vs 16.4). 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 3 weeks, Flash Dossard every 6 months. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | O | Flash Dossard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 14 MB | 88 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SBDéveloppement](https://appshunter.io/developer/1560195489) | [DOSSARD CLUB](https://appshunter.io/developer/1816185059) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-run/id1560195487)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash Dossard

[App page](https://appshunter.io/ios/app/flash-dossard/id6746330668)

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is Flash Dossard free?

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

### Do O or Flash Dossard have ads?

Neither O nor Flash Dossard shows ads.

### Which is updated more often, O or Flash Dossard?

O ships an update every 3 weeks, and Flash Dossard every 6 months. Most recently, O was updated on September 19, 2026 and Flash Dossard on September 13, 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.*