# CETYS vs Lucrux

The clearest difference is in-app purchases: CETYS at none against Lucrux's 2. CETYS also leads on iOS requirement (15.0 vs 17.0). Lucrux's advantage is update cadence (every 2 days vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Lucrux sells 2 in-app purchases, starting at $14.99 per month. CETYS asks for nothing beyond the download.

CETYS ships an update every 10 months, Lucrux every 2 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CETYS | Lucrux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (11 ratings)](https://appshunter.io/ios/app/cetys/id1474064744/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 14 MB | 47 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Instituto Educativo del Noroeste, A.C.](https://appshunter.io/developer/1474064743) | [Search Rebel](https://appshunter.io/developer/1675522508) |

## What reviewers say

### CETYS

[App page](https://appshunter.io/ios/app/cetys/id1474064744)

This official university app provides students with quick access to academic information, campus navigation, and important school news. It connects users to essential student resources like learning platforms and the library.

**Highlights:** View grades and class schedules, Campus navigation and room locator, School news and event updates, Direct access to Blackboard, Library resource access

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

**In-app purchases:** none


### Lucrux

[App page](https://appshunter.io/ios/app/lucrux-ai-study-partner/id6787816758)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Partner | $14.99 | per month |
| Study Partner Plus | $29.99 | per month |


## Frequently asked questions

### Is CETYS free?

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

### Is Lucrux free?

Lucrux is free to download, with in-app purchases available.

### Do CETYS or Lucrux have ads?

Neither CETYS nor Lucrux shows ads.

### Which is updated more often, CETYS or Lucrux?

CETYS ships an update every 10 months, and Lucrux every 2 days. Most recently, CETYS was updated on October 24, 2026 and Lucrux on October 7, 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.*