# Cortina E vs VU Intro days

The clearest difference is device support: VU Intro days at 2 against Cortina E's —. Cortina E's advantage is iOS requirement (13.0 vs 16.4). On price and in-app purchases 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 | Cortina E | VU Intro days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 60 MB | 83 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Promovec AS](https://appshunter.io/developer/1674758057) | [Tactile B.V.](https://appshunter.io/developer/1521183267) |

## What reviewers say

### Cortina E

[App page](https://appshunter.io/ios/app/cortina-e-lett/id6445944780)

**In-app purchases:** none


### VU Intro days

[App page](https://appshunter.io/ios/app/vu-intro-days/id6449475934)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cortina E free?

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

### Is VU Intro days free?

VU Intro days is free to download, with no in-app purchases.

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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.*