# Pergamum vs Sou UFMS

The clearest difference is update cadence: Pergamum at every 9 days against Sou UFMS's monthly. 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.

Pergamum ships an update every 9 days, Sou UFMS monthly. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Pergamum | Sou UFMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Size | 22 MB | 38 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FTD Digital Arena](https://appshunter.io/developer/736259721) | [FUNDACAO UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL](https://appshunter.io/developer/1454690530) |

## What reviewers say

### Pergamum

[App page](https://appshunter.io/ios/app/pergamum/id6737863130)

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

**In-app purchases:** none


### Sou UFMS

[App page](https://appshunter.io/ios/app/sou-ufms/id6745026243)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pergamum free?

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

### Is Sou UFMS free?

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

### Do Pergamum or Sou UFMS have ads?

Neither Pergamum nor Sou UFMS shows ads.

### Which is updated more often, Pergamum or Sou UFMS?

Pergamum ships an update every 9 days, and Sou UFMS monthly. Most recently, Pergamum was updated on September 15, 2026 and Sou UFMS on September 8, 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.*