# OnSite Eventos vs OPTOM 2025

The clearest difference is iOS requirement: OPTOM 2025 at 12.4 against OnSite Eventos's 15.1. 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.

## The numbers

| Metric | OnSite Eventos | OPTOM 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 31 MB | 32 MB |
| Requires iOS | 15.1 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ON SITE SOCIEDAD LIMITADA](https://appshunter.io/developer/1436612108) | [C&Events S.L.](https://appshunter.io/developer/1462739971) |

## What reviewers say

### OnSite Eventos

[App page](https://appshunter.io/ios/app/onsite-eventos/id6737982808)

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

**In-app purchases:** none


### OPTOM 2025

[App page](https://appshunter.io/ios/app/optom-2025/id6746942398)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnSite Eventos free?

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

### Is OPTOM 2025 free?

OPTOM 2025 is free to download, with no in-app purchases.

### Do OnSite Eventos or OPTOM 2025 have ads?

Neither OnSite Eventos nor OPTOM 2025 shows ads.

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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.*