# Volcano Eruption Simulator vs Grainfall

The clearest difference is in-app purchases: Volcano Eruption Simulator at none against Grainfall's 1. Grainfall's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Grainfall sells 1 one-off in-app purchase. Volcano Eruption Simulator asks for nothing beyond the download.

## The numbers

| Metric | Volcano Eruption Simulator | Grainfall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Size | 12 MB | 23 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Yaroslav Novytskyi](https://appshunter.io/developer/1668442756) | [John Haas](https://appshunter.io/developer/356064826) |

## What reviewers say

### Volcano Eruption Simulator

[App page](https://appshunter.io/ios/app/volcano-eruption-simulator/id6746356265)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grainfall

[App page](https://appshunter.io/ios/app/grainfall-falling-sand/id6797610785)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grainfall Pro | $0.99 | one-time |


## Frequently asked questions

### Is Volcano Eruption Simulator free?

Volcano Eruption Simulator is free to download, with no in-app purchases.

### Is Grainfall free?

Grainfall is free to download, with in-app purchases available.

### Do Volcano Eruption Simulator or Grainfall have ads?

Volcano Eruption Simulator shows ads; Grainfall 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.*