# Ovs Viewer vs O

The clearest difference is update cadence: O at every 5 weeks against Ovs Viewer's every 19 months. Ovs Viewer's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 16.0). On price, 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.

Ovs Viewer ships an update every 19 months, O every 5 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Ovs Viewer | O |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 weeks** |
| Size | 3 MB | 34 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JURA-TRADE Kereskedelmi kft.](https://appshunter.io/developer/1778243047) | [PUFin ID A/S](https://appshunter.io/developer/1614643757) |

## What reviewers say

### Ovs Viewer

[App page](https://appshunter.io/ios/app/ovs-viewer/id1394489281)

**Features:** macOS Compatibility

**In-app purchases:** none


### O

[App page](https://appshunter.io/ios/app/o-key-verifier/id1614643755)

**In-app purchases:** none


## Frequently asked questions

### Is Ovs Viewer free?

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

### Is O free?

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

### Do Ovs Viewer or O have ads?

Neither Ovs Viewer nor O shows ads.

### Which is updated more often, Ovs Viewer or O?

Ovs Viewer ships an update every 19 months, and O every 5 weeks. Most recently, Ovs Viewer was updated on October 26, 2026 and O on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*