# Soy ETST vs ULA Campus Digital

The clearest difference is iOS requirement: Soy ETST at 13.0 against ULA Campus Digital's 16.4. On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Soy ETST ships an update every 6 months, ULA Campus Digital every 4 months. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Soy ETST | ULA Campus Digital |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Size | 66 MB | 28 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 17+ |
| Developer | [Instituto de Ciencias y Estudios Superiores de Tamaulipas, A.C.](https://appshunter.io/developer/1619803124) | [UNIVERSIA](https://appshunter.io/developer/451726993) |

## What reviewers say

### Soy ETST

[App page](https://appshunter.io/ios/app/soy-etst/id6443921817)

**In-app purchases:** none


### ULA Campus Digital

[App page](https://appshunter.io/ios/app/ula-campus-digital/id6502697369)

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

**In-app purchases:** none


## Frequently asked questions

### Is Soy ETST free?

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

### Is ULA Campus Digital free?

ULA Campus Digital is free to download, with no in-app purchases.

### Which is updated more often, Soy ETST or ULA Campus Digital?

Soy ETST ships an update every 6 months, and ULA Campus Digital every 4 months. Most recently, Soy ETST was updated on October 15, 2026 and ULA Campus Digital on October 18, 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.*