# Decarbonisation Conference vs ISOA

The clearest difference is iOS requirement: Decarbonisation Conference at 12.0 against ISOA's 16.0. On price 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.

## The numbers

| Metric | Decarbonisation Conference | ISOA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 130 MB | 183 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [The UK Offshore Energies Association Limited](https://appshunter.io/developer/569189224) | [vFairs LLC](https://appshunter.io/developer/1349888986) |

## What reviewers say

### Decarbonisation Conference

[App page](https://appshunter.io/ios/app/decarbonisation-conference/id6450887472)

**In-app purchases:** none


### ISOA

[App page](https://appshunter.io/ios/app/isoa/id6479661357)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decarbonisation Conference free?

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

### Is ISOA free?

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

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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.*