SubStandard vs Simple Xwind
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SubStandard
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.
- Cold temperature corrections
- Altitude set storage
- Quick access to saved altitudes
- Easy to use interface
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SubStandard is an easy to use app to apply cold temperature corrections in aviation. Moreover, it lets you store sets of altitudes for quick access later on.
Simple Xwind
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.
- Quick crosswind calculations
- Precise tailwind limits
- Fast and reliable
- Simple, clutter-free interface
- Designed for speed
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You're on short final when the tower provides updated winds. The conditions have changed more than expected, and there’s no time for mental math to determine if you're within crosswind and tailwind limits. Xwind gives you quick and precise calculations when you need them most. No clutter, no unnecessary graphics—just a fast, reliable crosswind calculator built for ease of use. Unlike other bulky apps, Xwind is designed for speed and simplicity, so you can get the data you need instantly. No extra clicks, no distractions—just numbers.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SubStandard | Simple Xwind |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 33 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | iService Ottner Röck | Alex Deutz |
Customer experience
SubStandard
Simple Xwind
In-app purchases
SubStandard
No in-app purchases
Simple Xwind
No in-app purchases
