# Nerdmask vs StudyOS

The clearest difference is update cadence: Nerdmask at every 2 days against StudyOS's every 9 days. Nerdmask also leads on ratings volume (198 vs 66) and iOS requirement (15.1 vs 17.1). StudyOS's advantage is rating (4.9 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Nerdmask sells 6 in-app purchases, starting at $8.99 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.

StudyOS holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 198 and 66 respectively.

Nerdmask ships an update every 2 days, StudyOS every 9 days. The most recent releases landed on September 21, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Nerdmask | StudyOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (198 ratings)](https://appshunter.io/ios/app/nerdmask-learn-with-ai/id6741783220/reviews) | **[4.9 (66 ratings)](https://appshunter.io/ios/app/studyos-study-with-ai/id6747879382/reviews)** |
| Number of ratings | **198** | 66 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 135 MB | 118 MB |
| Requires iOS | **15.1** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nerdmask](https://appshunter.io/developer/1795560973) | [DANIEL PONCELAS VARGAS](https://appshunter.io/developer/1823171837) |

## What reviewers say

### Nerdmask

[App page](https://appshunter.io/ios/app/nerdmask-learn-with-ai/id6741783220)

Transform your study notes into engaging audiobooks, interactive quizzes, and concise summaries using AI. This app makes learning faster, more enjoyable, and effective by allowing you to study anywhere, anytime. Challenge friends with custom quizzes and leverage AI-powered techniques for optimized learning.

**Highlights:** AI-powered note conversion, Create podcasts and audiobooks from notes, Generate quizzes and summaries, Listen to notes anywhere, Custom quiz creation, Spaced repetition learning, AI-powered study techniques

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan Pro | $8.99 | per 7 days |
| Monthly - 25% OFF | $13.99 | per month |
| Monthly Plan Pro | $18.99 | per month |
| Yearly Plan Pro (20% OFF) | $39.99 | per year |
| Yearly Plan Pro | $99.99 | per year |
| Lifetime Plan | $149.99 | 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 Nerdmask free?

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

### Is StudyOS free?

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

### Which has better reviews, Nerdmask or StudyOS?

StudyOS is rated higher. Nerdmask averages 4.7 out of 5 from 198 ratings, while StudyOS averages 4.9 from 66 ratings.

### Do Nerdmask or StudyOS have ads?

Neither Nerdmask nor StudyOS shows ads.

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

Nerdmask ships an update every 2 days, and StudyOS every 9 days. Most recently, Nerdmask was updated on September 21, 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.*