# O vs Frame by Certags

The clearest difference is update cadence: Frame by Certags at fortnightly against O's every 6 weeks. O's advantage is iOS requirement (12.0 vs 15.6). 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 6 weeks, Frame by Certags fortnightly. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | O | Frame by Certags |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 40 MB | 43 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUTCHINSON](https://appshunter.io/developer/862345826) | [AssetPool](https://appshunter.io/developer/1500000305) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-ring/id1229032846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frame by Certags

[App page](https://appshunter.io/ios/app/frame-by-certags/id1570085465)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is Frame by Certags free?

Frame by Certags is free to download, with no in-app purchases.

### Do O or Frame by Certags have ads?

Neither O nor Frame by Certags shows ads.

### Which is updated more often, O or Frame by Certags?

O ships an update every 6 weeks, and Frame by Certags fortnightly. Most recently, O was updated on October 26, 2026 and Frame by Certags on October 9, 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.*