# Sumerly vs StudyOS

The clearest difference is ads: StudyOS at none against Sumerly's shown. Sumerly's advantage is iOS requirement (13.0 vs 17.1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sumerly sells 5 in-app purchases, starting at $1.99 per 7 days 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.

Sumerly ships an update weekly, StudyOS every 9 days. The most recent releases landed on September 12, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Sumerly | StudyOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (66 ratings)](https://appshunter.io/ios/app/studyos-study-with-ai/id6747879382/reviews)** |
| Number of ratings | — | **66** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 65 MB | 118 MB |
| Requires iOS | **13.0** | 17.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volva, Inc.](https://appshunter.io/developer/1576775478) | [DANIEL PONCELAS VARGAS](https://appshunter.io/developer/1823171837) |

## What reviewers say

### Sumerly

[App page](https://appshunter.io/ios/app/sumerly/id6467805923)

This app uses AI to create personalized flashcards and optimize study time for better knowledge retention. It offers multimedia-rich question creation and smart reminders to combat procrastination and maintain a consistent study schedule.

**Highlights:** AI-powered flashcard creation, Personalized learning adaptation, Multimedia-rich question building, Study schedule optimization, Procrastination combat reminders, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumerly Premium | $1.99 | per 7 days |
| Sumerly Premium | $2.99 | per month |
| Sumerly Premium | $3.99 | per month |
| Sumerly Premium | $19.99 | per year |
| Sumerly Premium | $29.99 | per year |


### 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 Sumerly free?

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

### Is StudyOS free?

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

### Do Sumerly or StudyOS have ads?

Sumerly shows ads; StudyOS does not.

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

Sumerly ships an update weekly, and StudyOS every 9 days. Most recently, Sumerly was updated on September 12, 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.*