# O vs EVOC

The clearest difference is ads: O at none against EVOC's shown. O also leads on update cadence (every 4 months vs every 9 months). EVOC's advantage is iOS requirement (14.0 vs 16.4). On price, 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, EVOC every 9 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | O | EVOC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 9 months |
| Size | 43 MB | 19 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [blassl & partner](https://appshunter.io/developer/1636450043) | [Minerva-AS GmbH](https://appshunter.io/developer/1766912776) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-tis-app/id1636683380)

**Features:** Vision Pro support

**In-app purchases:** none


### EVOC

[App page](https://appshunter.io/ios/app/evoc/id6737796217)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is EVOC free?

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

### Do O or EVOC have ads?

EVOC shows ads; O does not.

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

O ships an update every 4 months, and EVOC every 9 months. Most recently, O was updated on October 14, 2026 and EVOC on October 3, 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.*