# Windmill Propane vs VznHub

The clearest difference is in-app purchases: Windmill Propane at none against VznHub's 3. VznHub's advantage is update cadence (every 9 days vs every 23 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. VznHub sells 3 one-off in-app purchases. Windmill Propane asks for nothing beyond the download.

Windmill Propane ships an update every 23 months, VznHub every 9 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Windmill Propane | VznHub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 9 days** |
| Size | 46 MB | 51 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDPO, LLC](https://appshunter.io/developer/1521548149) | [Datou AI](https://appshunter.io/developer/1851927319) |

## What reviewers say

### Windmill Propane

[App page](https://appshunter.io/ios/app/windmill-propane/id1583996012)

**Features:** macOS Compatibility

**In-app purchases:** none


### VznHub

[App page](https://appshunter.io/ios/app/vznhub/id6755098905)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Credits | $0.29 | one-time |
| 2,000 Credits | $0.39 | one-time |
| 3,000 Credits | $0.49 | one-time |


## Frequently asked questions

### Is Windmill Propane free?

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

### Is VznHub free?

VznHub is free to download, with in-app purchases available.

### Do Windmill Propane or VznHub have ads?

Neither Windmill Propane nor VznHub shows ads.

### Which is updated more often, Windmill Propane or VznHub?

Windmill Propane ships an update every 23 months, and VznHub every 9 days. Most recently, Windmill Propane was updated on October 13, 2026 and VznHub on October 10, 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.*