# Quantum Core vs Mayon Volcano

The clearest difference is in-app purchases: Quantum Core at none against Mayon Volcano's 1. Mayon Volcano's advantage is iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Mayon Volcano sells 1 one-off in-app purchase. Quantum Core asks for nothing beyond the download.

## The numbers

| Metric | Quantum Core | Mayon Volcano |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 30 MB | 40 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marlon Santos](https://appshunter.io/developer/1895267207) | [Maha Strategies LLC](https://appshunter.io/developer/6778334200) |

## What reviewers say

### Quantum Core

[App page](https://appshunter.io/ios/app/quantum-core-inside-the-atom/id6792081823)

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

**In-app purchases:** none


### Mayon Volcano

[App page](https://appshunter.io/ios/app/mayon-volcano-3d-earth-lab/id6794775508)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Living Mountain Expedition | $6.99 | one-time |


## Frequently asked questions

### Is Quantum Core free?

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

### Is Mayon Volcano free?

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

### Do Quantum Core or Mayon Volcano have ads?

Neither Quantum Core nor Mayon Volcano 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.*