# UDP Lecturio vs Nerdmask

The clearest difference is in-app purchases: UDP Lecturio at none against Nerdmask's 6. Nerdmask's advantage is update cadence (every 3 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

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

UDP Lecturio ships an update every 4 months, Nerdmask every 3 days. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | UDP Lecturio | Nerdmask |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (199 ratings)](https://appshunter.io/ios/app/nerdmask-learn-with-ai/id6741783220/reviews)** |
| Number of ratings | — | **199** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 127 MB | 99 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Lecturio GmbH](https://appshunter.io/developer/667474928) | [Nerdmask](https://appshunter.io/developer/1795560973) |

## What reviewers say

### UDP Lecturio

[App page](https://appshunter.io/ios/app/udp-lecturio/id6444853798)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nerdmask

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

Transform study materials into engaging games, podcasts, and exams. This app uses AI to create interactive learning experiences from your notes, helping you retain information through play and spaced repetition.

**Highlights:** Upload notes, PDFs, audio, and videos, Create flashcards, quizzes, and true/false games, Generate AI podcasts from study material, Take AI-generated exams with instant feedback, Chat with notes for quick answers, Spaced repetition for smart review

**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 UDP Lecturio free?

UDP Lecturio is free to download, with no in-app purchases.

### Is Nerdmask free?

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

### Do UDP Lecturio or Nerdmask have ads?

Neither UDP Lecturio nor Nerdmask shows ads.

### Which is updated more often, UDP Lecturio or Nerdmask?

UDP Lecturio ships an update every 4 months, and Nerdmask every 3 days. Most recently, UDP Lecturio was updated on October 27, 2026 and Nerdmask on November 4, 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.*