# CLEANPOWER 2026 vs Ovation Users' Group Conf

The clearest difference is ads: Ovation Users' Group Conf at none against CLEANPOWER 2026's shown. Ovation Users' Group Conf also leads on iOS requirement (9.0 vs 15.1). 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.

## The numbers

| Metric | CLEANPOWER 2026 | Ovation Users' Group Conf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 62 MB | 49 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American Clean Power Association](https://appshunter.io/developer/1428784176) | [Emerson Process Management Power & Water Solutions](https://appshunter.io/developer/545347160) |

## What reviewers say

### CLEANPOWER 2026

[App page](https://appshunter.io/ios/app/cleanpower-2026/id6484276438)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ovation Users' Group Conf

[App page](https://appshunter.io/ios/app/ovation-users-group-conf/id6782166784)

**In-app purchases:** none


## Frequently asked questions

### Is CLEANPOWER 2026 free?

CLEANPOWER 2026 is free to download, with no in-app purchases.

### Is Ovation Users' Group Conf free?

Ovation Users' Group Conf is free to download, with no in-app purchases.

### Do CLEANPOWER 2026 or Ovation Users' Group Conf have ads?

CLEANPOWER 2026 shows ads; Ovation Users' Group Conf does not.

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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.*