# Create PDF Text Document vs StudyOS

The clearest difference is ads: StudyOS at none against Create PDF Text Document's shown. StudyOS also leads on update cadence (every 9 days vs every 5 weeks). Create PDF Text Document's advantage is iOS requirement (13.0 vs 17.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Create PDF Text Document sells 1 one-off in-app purchase and StudyOS sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Create PDF Text Document ships an update every 5 weeks, StudyOS every 9 days. The most recent releases landed on September 22, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Create PDF Text Document | 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 | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 42 MB | 118 MB |
| Requires iOS | **13.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Felipe Reitz](https://appshunter.io/developer/1651010446) | [DANIEL PONCELAS VARGAS](https://appshunter.io/developer/1823171837) |

## What reviewers say

### Create PDF Text Document

[App page](https://appshunter.io/ios/app/create-pdf-text-document/id6743804798)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 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 Create PDF Text Document free?

Create PDF Text Document is free to download, with in-app purchases available.

### Is StudyOS free?

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

### Do Create PDF Text Document or StudyOS have ads?

Create PDF Text Document shows ads; StudyOS does not.

### Which is updated more often, Create PDF Text Document or StudyOS?

Create PDF Text Document ships an update every 5 weeks, and StudyOS every 9 days. Most recently, Create PDF Text Document was updated on September 22, 2026 and StudyOS on August 12, 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.*