# Study Stats app vs StudyOS

The clearest difference is in-app purchases: Study Stats app at none against StudyOS's 4. Study Stats app also leads on iOS requirement (13.0 vs 17.1). StudyOS's advantage is update cadence (every 9 days vs every 3 weeks). 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. Study Stats app asks for nothing beyond the download.

Study Stats app ships an update every 3 weeks, StudyOS every 9 days. The most recent releases landed on September 25, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Study Stats app | 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 3 weeks | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 48 MB | 118 MB |
| Requires iOS | **13.0** | 17.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Chinedum Okpechi](https://appshunter.io/developer/1730044147) | [DANIEL PONCELAS VARGAS](https://appshunter.io/developer/1823171837) |

## What reviewers say

### Study Stats app

[App page](https://appshunter.io/ios/app/study-stats-app/id6477740443)

**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 Study Stats app free?

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

### Is StudyOS free?

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

### Do Study Stats app or StudyOS have ads?

Neither Study Stats app nor StudyOS shows ads.

### Which is updated more often, Study Stats app or StudyOS?

Study Stats app ships an update every 3 weeks, and StudyOS every 9 days. Most recently, Study Stats app was updated on September 25, 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.*