# Fast Idea Book vs cortex

The clearest difference is iOS requirement: cortex at 13.0 against Fast Idea Book's 18.5. 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.

## The numbers

| Metric | Fast Idea Book | cortex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fast-idea-book/id6749139776/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 20 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bahattin Duran](https://appshunter.io/developer/1677311418) | [Ziad Alharbi](https://appshunter.io/developer/1896352371) |

## What reviewers say

### Fast Idea Book

[App page](https://appshunter.io/ios/app/fast-idea-book/id6749139776)

Quickly capture fleeting thoughts via text, voice, or photo with a single tap. Access your ideas through widgets, the Share Sheet, or Siri. Organize and review them later, with advanced features unlocked via subscription.

**Highlights:** One-tap text, voice, and photo capture, Home Screen capture widget, Share Sheet integration, On-device voice transcription, Tags and quick review, Siri integration, iCloud sync

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

**In-app purchases:** none


### cortex

[App page](https://appshunter.io/ios/app/cortex/id6768269910)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast Idea Book free?

Fast Idea Book is free to download, with no in-app purchases.

### Is cortex free?

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

### Do Fast Idea Book or cortex have ads?

Neither Fast Idea Book nor cortex 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.*