# OPN vs AirView™

The clearest difference is iOS requirement: OPN at 12.0 against AirView™'s 16.0. 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 | OPN | AirView™ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Size | 5 MB | 1 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [OPTOELECTRONICS Co.,Ltd.](https://appshunter.io/developer/556827248) | [WELCOM DESIGN](https://appshunter.io/developer/427118650) |

## What reviewers say

### OPN

[App page](https://appshunter.io/ios/app/opn-ime/id1123259151)

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

**In-app purchases:** none


### AirView™

[App page](https://appshunter.io/ios/app/airview/id6738771063)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPN free?

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

### Is AirView™ free?

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

### Do OPN or AirView™ have ads?

Neither OPN nor AirView™ 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.*