# AulasQR vs StudyOS

The clearest difference is in-app purchases: AulasQR at none against StudyOS's 4. AulasQR also leads on iOS requirement (15.1 vs 17.1). StudyOS's advantage is update cadence (every 9 days vs every 5 months). On price, 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. AulasQR asks for nothing beyond the download.

AulasQR ships an update every 5 months, StudyOS every 9 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AulasQR | StudyOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (91 ratings)](https://appshunter.io/ios/app/studyos-study-with-ai/id6747879382/reviews)** |
| Number of ratings | — | **91** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 118 MB |
| Requires iOS | **15.1** | 17.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UNIDADES TECNOLOGICAS DE SANTANDER](https://appshunter.io/developer/1811393329) | [DANIEL PONCELAS VARGAS](https://appshunter.io/developer/1823171837) |

## What reviewers say

### AulasQR

[App page](https://appshunter.io/ios/app/aulasqr-uts/id6745227122)

**Features:** macOS Compatibility

**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 AulasQR free?

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

### Is StudyOS free?

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

### Do AulasQR or StudyOS have ads?

Neither AulasQR nor StudyOS shows ads.

### Which is updated more often, AulasQR or StudyOS?

AulasQR ships an update every 5 months, and StudyOS every 9 days. Most recently, AulasQR was updated on October 9, 2026 and StudyOS on October 24, 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.*