# UWSP SPIN vs Mayon Volcano

The clearest difference is update cadence: Mayon Volcano at weekly against UWSP SPIN's every 4 weeks. 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.

UWSP SPIN ships an update every 4 weeks, Mayon Volcano weekly. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | UWSP SPIN | Mayon Volcano |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 62 MB | 39 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [University of Wisconsin - Stevens Point](https://appshunter.io/developer/923021660) | [Maha Strategies LLC](https://appshunter.io/developer/6778334200) |

## What reviewers say

### UWSP SPIN

[App page](https://appshunter.io/ios/app/uwsp-spin/id6740767676)

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

**In-app purchases:** none


### Mayon Volcano

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

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

**In-app purchases:** none


## Frequently asked questions

### Is UWSP SPIN free?

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

### Is Mayon Volcano free?

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

### Do UWSP SPIN or Mayon Volcano have ads?

Neither UWSP SPIN nor Mayon Volcano shows ads.

### Which is updated more often, UWSP SPIN or Mayon Volcano?

UWSP SPIN ships an update every 4 weeks, and Mayon Volcano weekly. Most recently, UWSP SPIN was updated on October 7, 2026 and Mayon Volcano on October 21, 2026.

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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.*