# SubStandard vs Simple Xwind

The clearest difference is review sentiment: Simple Xwind at 67% against SubStandard's 0%. SubStandard's advantage is rating (5.0 vs 4.0) and iOS requirement (12.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SubStandard holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews complicate that: 0% of SubStandard's written reviews are positive against 67% of Simple Xwind's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | SubStandard | Simple Xwind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/substandard/id1513656520/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/simple-xwind/id6741716196/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | Free |
| Size | 33 MB | 1 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iService Ottner Röck](https://appshunter.io/developer/1413717324) | [Alex Deutz](https://appshunter.io/developer/1795229168) |

## What reviewers say

### SubStandard

[App page](https://appshunter.io/ios/app/substandard/id1513656520)

This aviation utility app simplifies applying cold temperature corrections for altitudes. It allows users to save frequently used altitude sets for rapid retrieval, enhancing efficiency in flight planning.

**Highlights:** Cold temperature corrections, Altitude set storage, Quick access to saved altitudes, Easy to use interface

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SubStandard free?

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

### Is Simple Xwind free?

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

### Which has better reviews, SubStandard or Simple Xwind?

SubStandard is rated higher. SubStandard averages 5.0 out of 5 from 2 ratings, while Simple Xwind averages 4.0 from 4 ratings.

### Do SubStandard or Simple Xwind have ads?

Neither SubStandard nor Simple Xwind shows ads.

---

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