# Notabean AI Lecture Guide vs Mastery

The clearest difference is in-app purchases: Mastery at none against Notabean AI Lecture Guide's 3. Mastery also leads on iOS requirement (15.1 vs 18.2). Notabean AI Lecture Guide's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Notabean AI Lecture Guide sells 3 in-app purchases, starting at $1.99 per 7 days. Mastery asks for nothing beyond the download.

Notabean AI Lecture Guide ships an update every 6 days, Mastery every 11 days. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Notabean AI Lecture Guide | Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/notabean-ai-lecture-guide/id6743223082/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 118 MB | 30 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Intra Galactic Services LLC](https://appshunter.io/developer/1736388712) | [ismail parlak](https://appshunter.io/developer/1736998837) |

## What reviewers say

### Notabean AI Lecture Guide

[App page](https://appshunter.io/ios/app/notabean-ai-lecture-guide/id6743223082)

This AI-powered study tool transforms recorded lectures into study guides, quizzes, and flashcards. It offers deep research capabilities and curated audio lectures to enhance learning efficiency and retention. Achieve better grades with cost-effective, intelligent study materials.

**Highlights:** AI lecture transcription, Automated study guides, Interactive quizzes, Flashcard creation, Deep research insights, Curated audio lectures

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notabean Unlimited Weekly | $1.99 | per 7 days |
| Notabean Unlimited Monthly | $7.99 | per month |
| Notabean Unlimited Yearly | $69.99 | per year |


### Mastery

[App page](https://appshunter.io/ios/app/mastery-ai-notes-generator/id6767202017)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notabean AI Lecture Guide free?

Notabean AI Lecture Guide is free to download, with in-app purchases available.

### Is Mastery free?

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

### Do Notabean AI Lecture Guide or Mastery have ads?

Mastery shows ads; Notabean AI Lecture Guide does not.

### Which is updated more often, Notabean AI Lecture Guide or Mastery?

Notabean AI Lecture Guide ships an update every 6 days, and Mastery every 11 days. Most recently, Notabean AI Lecture Guide was updated on September 18, 2026 and Mastery on September 21, 2026.

---

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