# Lectures.AI vs Humble Zen

The clearest difference is in-app purchases: Lectures.AI at none against Humble Zen's 8. Humble Zen's advantage is iOS requirement (17.6 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Humble Zen sells 8 one-off in-app purchases. Lectures.AI asks for nothing beyond the download.

## The numbers

| Metric | Lectures.AI | Humble Zen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/humble-zen-ai-lecture-notes/id6760617480/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 174 MB |
| Requires iOS | 26.1 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ellorra Mohanty](https://appshunter.io/developer/1862628760) | [Humble Media](https://appshunter.io/developer/1798518658) |

## What reviewers say

### Lectures.AI

[App page](https://appshunter.io/ios/app/lecturesai/id6757114709)

**Features:** macOS Compatibility

**In-app purchases:** none


### Humble Zen

[App page](https://appshunter.io/ios/app/humble-zen-ai-lecture-notes/id6760617480)

Record lectures or audio, and instantly generate AI-powered summaries, flashcards, and quizzes. This app prioritizes understanding and retention over simple transcription, offering a private and user-friendly experience without mandatory subscriptions.

**Highlights:** AI-generated summaries, Flashcards for active recall, Quizzes from lecture material, On-device transcription, Shareable web pages, Chat with notes, Semantic search

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Credits | $0.99 | one-time |
| Standard Credits | $2.99 | one-time |
| +1 GB Storage | $2.99 | one-time |
| Power Credits | $5.99 | one-time |
| Ultra Credits | $9.99 | one-time |
| +5 GB Storage | $9.99 | one-time |
| Humble Zen Pro | $19.99 | one-time |
| +20 GB Storage | $19.99 | one-time |


## Frequently asked questions

### Is Lectures.AI free?

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

### Is Humble Zen free?

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

### Do Lectures.AI or Humble Zen have ads?

Neither Lectures.AI nor Humble Zen shows ads.

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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.*