# IRISPen Air 8 vs NoteCal

The clearest difference is iOS requirement: IRISPen Air 8 at 12.0 against NoteCal's 17.0. 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 | IRISPen Air 8 | NoteCal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 45 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [I.R.I.S. s.a.](https://appshunter.io/developer/431853095) | [Rodrigo Adauto](https://appshunter.io/developer/1751405029) |

## What reviewers say

### IRISPen Air 8

[App page](https://appshunter.io/ios/app/irispen-air-8/id6474141072)

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

**In-app purchases:** none


### NoteCal

[App page](https://appshunter.io/ios/app/notecal/id6504210076)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IRISPen Air 8 free?

IRISPen Air 8 is free to download, with no in-app purchases.

### Is NoteCal free?

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

### Do IRISPen Air 8 or NoteCal have ads?

Neither IRISPen Air 8 nor NoteCal shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*