# Udesc.edu vs Pergamum

The clearest difference is update cadence: Pergamum at every 10 days against Udesc.edu's every 10 months. Udesc.edu's advantage is iOS requirement (13.0 vs 15.1). 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.

Udesc.edu ships an update every 10 months, Pergamum every 10 days. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Udesc.edu | Pergamum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 10 days** |
| Size | 77 MB | 22 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adapta Solucoes Digitais Ltda](https://appshunter.io/developer/1676238023) | [FTD Digital Arena](https://appshunter.io/developer/736259721) |

## What reviewers say

### Udesc.edu

[App page](https://appshunter.io/ios/app/udescedu/id6446142651)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pergamum

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Udesc.edu free?

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

### Is Pergamum free?

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

### Do Udesc.edu or Pergamum have ads?

Neither Udesc.edu nor Pergamum shows ads.

### Which is updated more often, Udesc.edu or Pergamum?

Udesc.edu ships an update every 10 months, and Pergamum every 10 days. Most recently, Udesc.edu was updated on October 13, 2026 and Pergamum on October 25, 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.*