# Athus vs Pergamum

The clearest difference is update cadence: Pergamum at every 9 days against Athus's every 5 months. Athus'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.

Athus ships an update every 5 months, Pergamum every 9 days. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Athus | Pergamum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 29 MB | 22 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Athus](https://appshunter.io/developer/1414979491) | [FTD Digital Arena](https://appshunter.io/developer/736259721) |

## What reviewers say

### Athus

[App page](https://appshunter.io/ios/app/athus/id1414979492)

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

**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 Athus free?

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

### Is Pergamum free?

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

### Do Athus or Pergamum have ads?

Neither Athus nor Pergamum shows ads.

### Which is updated more often, Athus or Pergamum?

Athus ships an update every 5 months, and Pergamum every 9 days. Most recently, Athus was updated on October 11, 2026 and Pergamum on October 3, 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.*