# Windmill Propane vs Flash Drive

The clearest difference is update cadence: Flash Drive at every 5 weeks against Windmill Propane's every 23 months. Windmill Propane's advantage is iOS requirement (12.2 vs 15.1). 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.

Windmill Propane ships an update every 23 months, Flash Drive every 5 weeks. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Windmill Propane | Flash Drive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 5 weeks** |
| Size | 46 MB | 39 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDPO, LLC](https://appshunter.io/developer/1521548149) | [Flash Drive Motors](https://appshunter.io/developer/1820292882) |

## What reviewers say

### Windmill Propane

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash Drive

[App page](https://appshunter.io/ios/app/flash-drive/id6747211115)

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

**In-app purchases:** none


## Frequently asked questions

### Is Windmill Propane free?

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

### Is Flash Drive free?

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

### Do Windmill Propane or Flash Drive have ads?

Neither Windmill Propane nor Flash Drive shows ads.

### Which is updated more often, Windmill Propane or Flash Drive?

Windmill Propane ships an update every 23 months, and Flash Drive every 5 weeks. Most recently, Windmill Propane was updated on September 10, 2026 and Flash Drive on September 22, 2026.

---

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