# Simple Xwind vs Q400

The clearest difference is in-app purchases: Simple Xwind at none against Q400's 2. Simple Xwind also leads on iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Q400 sells 2 in-app purchases, starting at $4.99 per month. Simple Xwind asks for nothing beyond the download.

## The numbers

| Metric | Simple Xwind | Q400 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-xwind/id6741716196/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 1 MB | 10 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Deutz](https://appshunter.io/developer/1795229168) | [MacLaren's Studio](https://appshunter.io/developer/549588446) |

## What reviewers say

### Simple Xwind

[App page](https://appshunter.io/ios/app/simple-xwind/id6741716196)

Quickly calculate crosswind and tailwind limits during flight. This app provides fast, precise calculations without clutter or unnecessary graphics, designed for immediate use when conditions change unexpectedly.

**Highlights:** Quick crosswind calculations, Precise tailwind limits, Fast and reliable, Simple, clutter-free interface, Designed for speed

**Features:** macOS Compatibility

**In-app purchases:** none


### Q400

[App page](https://appshunter.io/ios/app/q400-performance/id6758963990)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is Simple Xwind free?

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

### Is Q400 free?

Q400 is free to download, with in-app purchases available.

### Do Simple Xwind or Q400 have ads?

Neither Simple Xwind nor Q400 shows ads.

---

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