# LakeCISM vs AI Notebook

The clearest difference is in-app purchases: AI Notebook at none against LakeCISM's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LakeCISM sells 4 one-off in-app purchases. AI Notebook asks for nothing beyond the download.

LakeCISM ships an update every 2 months, AI Notebook monthly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | LakeCISM | AI Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ai-notebook-note-taker/id6799981021/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 58 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [LakeCism](https://appshunter.io/developer/1833961478) | [Juliet Balogun](https://appshunter.io/developer/6799981023) |

## What reviewers say

### LakeCISM

[App page](https://appshunter.io/ios/app/lakecism/id6751202238)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $0.99 | one-time |
| 6 month plan | $10.95 | one-time |
| 12 month plan | $19.95 | one-time |
| lifetime plan | $99.99 | one-time |


### AI Notebook

[App page](https://appshunter.io/ios/app/ai-notebook-note-taker/id6799981021)

This smart workspace helps you capture, organize, and analyze your ideas and information. Utilize AI-powered tools to summarize content, answer questions, and extract key insights from your notes and documents.

**Highlights:** Create and organize notebooks, Take and manage notes, Summarize information with AI, Ask questions about your materials, Extract important information, Organize notes and documents

**In-app purchases:** none


## Frequently asked questions

### Is LakeCISM free?

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

### Is AI Notebook free?

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

### Do LakeCISM or AI Notebook have ads?

Neither LakeCISM nor AI Notebook shows ads.

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

LakeCISM ships an update every 2 months, and AI Notebook monthly. Most recently, LakeCISM was updated on October 30, 2026 and AI Notebook on November 10, 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.*