# Cubesuite PDF Pro vs AIRSTEP Cortex

The clearest difference is in-app purchases: AIRSTEP Cortex at none against Cubesuite PDF Pro's 4. AIRSTEP Cortex also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Cubesuite PDF Pro sells 4 in-app purchases, starting at $2.99 per month. AIRSTEP Cortex asks for nothing beyond the download.

## The numbers

| Metric | Cubesuite PDF Pro | AIRSTEP Cortex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/cubesuite-pdf-pro/id6754222319/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Freemium | — |
| Size | 48 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Martorell Cuco](https://appshunter.io/developer/1604205183) | [XSONIC Inc.](https://appshunter.io/developer/1487765084) |

## What reviewers say

### Cubesuite PDF Pro

[App page](https://appshunter.io/ios/app/cubesuite-pdf-pro/id6754222319)

Enhance your PDF documents with annotations, highlights, and drawings. Organize content with smart bookmarks and customize your reading experience with multiple display modes. Offers Bluetooth pedal control for hands-free navigation.

**Highlights:** Add notes, highlights, and drawings, Smart bookmark functionality, Multiple reading modes (dark, sepia, high-contrast), Bluetooth pedal control, Export PDFs with annotations, Subscription for premium features

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cubesuite PDF Pro Monthly | $2.99 | per month |
| Cubesuite PDF Pro Annual | $17.99 | per year |
| Bluetooth Page Turner Lifetime | $6.99 | one-time |
| Cubesuite PDF Pro Lifetime | $79.99 | one-time |


### AIRSTEP Cortex

[App page](https://appshunter.io/ios/app/airstep-cortex/id6754727002)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cubesuite PDF Pro free?

Cubesuite PDF Pro is free to download, with in-app purchases available.

### Is AIRSTEP Cortex free?

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

### Do Cubesuite PDF Pro or AIRSTEP Cortex have ads?

Neither Cubesuite PDF Pro nor AIRSTEP 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.*