# Odilo BUAP vs StudyOS

The clearest difference is in-app purchases: Odilo BUAP at none against StudyOS's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. StudyOS sells 4 in-app purchases, starting at $4.99 per 7 days. Odilo BUAP asks for nothing beyond the download.

Odilo BUAP ships an update every 2 weeks, StudyOS every 9 days. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Odilo BUAP | StudyOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (66 ratings)](https://appshunter.io/ios/app/studyos-study-with-ai/id6747879382/reviews)** |
| Number of ratings | — | **66** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 71 MB | 118 MB |
| Requires iOS | **16.0** | 17.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Odilo](https://appshunter.io/developer/976580041) | [DANIEL PONCELAS VARGAS](https://appshunter.io/developer/1823171837) |

## What reviewers say

### Odilo BUAP

[App page](https://appshunter.io/ios/app/odilo-buap/id1623132188)

**In-app purchases:** none


### StudyOS

[App page](https://appshunter.io/ios/app/studyos-study-with-ai/id6747879382)

Transform your study materials into interactive flashcards, summaries, and quizzes with AI. This app efficiently prepares you for exams and helps you master concepts on the go, making learning faster and more engaging.

**Highlights:** AI-generated flashcards, Automated summaries, Personalized quizzes, Material upload (notes, PDFs, images), Spaced repetition techniques, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | per 7 days |
| Premium Access | $12.99 | per month |
| Premium Access | $12.99 | per month |
| Premium Access | $69.99 | per year |


## Frequently asked questions

### Is Odilo BUAP free?

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

### Is StudyOS free?

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

### Do Odilo BUAP or StudyOS have ads?

Neither Odilo BUAP nor StudyOS shows ads.

### Which is updated more often, Odilo BUAP or StudyOS?

Odilo BUAP ships an update every 2 weeks, and StudyOS every 9 days. Most recently, Odilo BUAP was updated on October 13, 2026 and StudyOS 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.*