# AR Fourier Optics Lab vs Optical Flow Drone Navigation

The clearest difference is in-app purchases: AR Fourier Optics Lab at none against Optical Flow Drone Navigation's 1. AR Fourier Optics Lab also leads on iOS requirement (14.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Optical Flow Drone Navigation sells 1 one-off in-app purchase. AR Fourier Optics Lab asks for nothing beyond the download.

## The numbers

| Metric | AR Fourier Optics Lab | Optical Flow Drone Navigation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 238 MB | 8 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KIDS interactive GmbH](https://appshunter.io/developer/731500021) | [EMIRHAN CELIK](https://appshunter.io/developer/1815124388) |

## What reviewers say

### AR Fourier Optics Lab

[App page](https://appshunter.io/ios/app/ar-fourier-optics-lab/id6473918062)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optical Flow Drone Navigation

[App page](https://appshunter.io/ios/app/optical-flow-drone-navigation/id6746093813)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MAVLink Mode Unlock | $1.99 | one-time |


## Frequently asked questions

### Is AR Fourier Optics Lab free?

AR Fourier Optics Lab is free to download, with no in-app purchases.

### Is Optical Flow Drone Navigation free?

Optical Flow Drone Navigation is free to download, with in-app purchases available.

### Do AR Fourier Optics Lab or Optical Flow Drone Navigation have ads?

Neither AR Fourier Optics Lab nor Optical Flow Drone Navigation shows ads.

---

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