# Study Stats app vs Nerdmask

The clearest difference is in-app purchases: Study Stats app at none against Nerdmask's 6. Study Stats app also leads on iOS requirement (13.0 vs 15.1). Nerdmask's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Nerdmask sells 6 in-app purchases, starting at $8.99 per 7 days. Study Stats app asks for nothing beyond the download.

Study Stats app ships an update every 3 weeks, Nerdmask every 2 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Study Stats app | Nerdmask |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (198 ratings)](https://appshunter.io/ios/app/nerdmask-learn-with-ai/id6741783220/reviews)** |
| Number of ratings | — | **198** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 135 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Chinedum Okpechi](https://appshunter.io/developer/1730044147) | [Nerdmask](https://appshunter.io/developer/1795560973) |

## What reviewers say

### Study Stats app

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Study Stats app free?

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

### Is Nerdmask free?

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

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

Neither Study Stats app nor Nerdmask shows ads.

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

Study Stats app ships an update every 3 weeks, and Nerdmask every 2 days. Most recently, Study Stats app was updated on October 4, 2026 and Nerdmask on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*