# Liminal AI vs Notebook

The clearest difference is update cadence: Notebook at monthly against Liminal AI's every 2 months. Notebook also leads on iOS requirement (15.6 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Liminal AI ships an update every 2 months, Notebook monthly. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Liminal AI | Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/liminal-ai/id6754858160/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 34 MB | 163 MB |
| Requires iOS | 18 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Liminal AI Inc.](https://appshunter.io/developer/1792552096) | [Nguyen Anh](https://appshunter.io/developer/6771672178) |

## What reviewers say

### Liminal AI

[App page](https://appshunter.io/ios/app/liminal-ai/id6754858160)

This platform provides secure, unlimited access to leading AI models for regulated enterprises. It ensures data protection and compliance while enabling seamless AI integration into workflows. Users can build custom assistants and gain insights into AI usage for business value.

**Highlights:** Secure access to leading AI models, Automatic sensitive data detection and masking, Centralized AI governance and oversight, Integration with internal data sources (RAG), Customizable multi-model AI assistants, AI usage insights and ROI measurement

**Features:** Vision Pro support

**In-app purchases:** none


### Notebook

[App page](https://appshunter.io/ios/app/notebook-smart-notes/id6790701541)

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

**In-app purchases:** none


## Frequently asked questions

### Is Liminal AI free?

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

### Is Notebook free?

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

### Do Liminal AI or Notebook have ads?

Neither Liminal AI nor Notebook shows ads.

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

Liminal AI ships an update every 2 months, and Notebook monthly. Most recently, Liminal AI was updated on October 19, 2026 and Notebook on October 7, 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.*