# Thai IL vs Optical Flow Drone Navigation

The clearest difference is in-app purchases: Thai IL at none against Optical Flow Drone Navigation's 1. Optical Flow Drone Navigation's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Optical Flow Drone Navigation sells 1 one-off in-app purchase. Thai IL asks for nothing beyond the download.

Thai IL ships an update every 6 weeks, Optical Flow Drone Navigation every 4 days. The most recent releases landed on September 20, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Thai IL | Optical Flow Drone Navigation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 65 MB | 8 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ron Azogui](https://appshunter.io/developer/973043504) | [EMIRHAN CELIK](https://appshunter.io/developer/1815124388) |

## What reviewers say

### Thai IL

[App page](https://appshunter.io/ios/app/thai-il/id1228789890)

**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 Thai IL free?

Thai IL 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 Thai IL or Optical Flow Drone Navigation have ads?

Neither Thai IL nor Optical Flow Drone Navigation shows ads.

### Which is updated more often, Thai IL or Optical Flow Drone Navigation?

Thai IL ships an update every 6 weeks, and Optical Flow Drone Navigation every 4 days. Most recently, Thai IL was updated on September 20, 2026 and Optical Flow Drone Navigation on October 1, 2026.

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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.*