# Escuela Cassis vs USS One

The clearest difference is update cadence: USS One at every 10 days against Escuela Cassis's every 12 months. Escuela Cassis's advantage is iOS requirement (15.1 vs 26.0). 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.

Escuela Cassis ships an update every 12 months, USS One every 10 days. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Escuela Cassis | USS One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 10 days** |
| Size | 47 MB | 31 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Classroom.tv Inc](https://appshunter.io/developer/1023222830) | [UNIVERSIDAD SAN SEBASTIÁN](https://appshunter.io/developer/1229815685) |

## What reviewers say

### Escuela Cassis

[App page](https://appshunter.io/ios/app/escuela-cassis/id6502842843)

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

**In-app purchases:** none


### USS One

[App page](https://appshunter.io/ios/app/uss-one/id6759725009)

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

**In-app purchases:** none


## Frequently asked questions

### Is Escuela Cassis free?

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

### Is USS One free?

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

### Do Escuela Cassis or USS One have ads?

Neither Escuela Cassis nor USS One shows ads.

### Which is updated more often, Escuela Cassis or USS One?

Escuela Cassis ships an update every 12 months, and USS One every 10 days. Most recently, Escuela Cassis was updated on October 14, 2026 and USS One 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.*