# AI Notebook vs CampusOS

The clearest difference is in-app purchases: CampusOS at none against AI Notebook's 3. CampusOS also leads on iOS requirement (13.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Notebook sells 3 in-app purchases, starting at $4.99 per 7 days. CampusOS asks for nothing beyond the download.

AI Notebook ships an update every 3 weeks, CampusOS fortnightly. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | AI Notebook | CampusOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/ai-notebook-note-taker-ai/id6749257909/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 5 MB | 55 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Awais](https://appshunter.io/developer/1559593465) | [hungry brain](https://appshunter.io/developer/1725586163) |

## What reviewers say

### AI Notebook

[App page](https://appshunter.io/ios/app/ai-notebook-note-taker-ai/id6749257909)

Effortlessly create professional-sounding podcasts using AI. Transform text into engaging audio in your preferred style and language, with no recording or editing required. Manage your podcast history and reach a global audience with support for over 20 languages.

**Highlights:** Instant podcast generation from text, Selectable professional podcast styles, Support for 20+ languages, Podcast history management, Studio-quality AI voice output, No recording or editing needed

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Podcast Pro | $4.99 | per 7 days |
| Monthly Podcast Pro | $8.99 | per month |
| Yearly Podcast Pro | $29.99 | per year |


### CampusOS

[App page](https://appshunter.io/ios/app/campusos/id6751819387)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Notebook free?

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

### Is CampusOS free?

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

### Do AI Notebook or CampusOS have ads?

Neither AI Notebook nor CampusOS shows ads.

### Which is updated more often, AI Notebook or CampusOS?

AI Notebook ships an update every 3 weeks, and CampusOS fortnightly. Most recently, AI Notebook was updated on October 24, 2026 and CampusOS on October 13, 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.*