# Notabook vs CalToDo

The clearest difference is in-app purchases: CalToDo at none against Notabook's 9. Notabook's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Notabook sells 6 in-app purchases, starting at $6.99 per 7 days. CalToDo asks for nothing beyond the download.

Notabook ships an update weekly, CalToDo fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Notabook | CalToDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/notabook-ai-note-taker/id6754932287/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 1 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [燃 温](https://appshunter.io/developer/1850919213) | [Yuichiro Nakano](https://appshunter.io/developer/1881945078) |

## What reviewers say

### Notabook

[App page](https://appshunter.io/ios/app/notabook-ai-note-taker/id6754932287)

Record, transcribe, and summarize audio from meetings, lectures, and interviews with AI-powered insights. Interact with your content by asking questions and receive instant answers. Offers live captioning and seamless integration with other tools.

**Highlights:** AI-generated notes and action plans, Interactive content Q&A, Accurate, searchable transcripts with speaker labels, Live captioning, One-tap audio recording, Export summaries as PDF, Integration with collaboration tools

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $6.99 | per 7 days |
| Premium Weekly | $6.99 | per 7 days |
| Premium Monthly | $14.99 | per month |
| Premium Monthly | $14.99 | per month |
| Premium Yearly | $89.99 | per year |
| Premium Yearly | $89.99 | per year |


### CalToDo

[App page](https://appshunter.io/ios/app/caltodo/id6760019258)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Notabook free?

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

### Is CalToDo free?

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

### Do Notabook or CalToDo have ads?

Neither Notabook nor CalToDo shows ads.

### Which is updated more often, Notabook or CalToDo?

Notabook ships an update weekly, and CalToDo fortnightly. Most recently, Notabook was updated on October 28, 2026 and CalToDo on October 25, 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.*