Simple Xwind vs SailCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
SailCalc
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Ever wondered how your sailboat really performs? Stop guessing and start calculating. SailCalc is the first and only app that puts powerful, industry-standard sailboat performance ratios right in your pocket. Perfect for boat shoppers, club racers, and any sailor who loves to geek out on data, SailCalc helps you understand a boat's true potential. KNOW YOUR BOAT: Calculate Key Ratios: Instantly find a boat's Hull Speed, Displacement-Length Ratio (DLR), Sail Area-Displacement Ratio (SA/D), Capsize Screening Formula, and more. Save & Compare: Keep a running list of your favorite boats to easily compare their performance profiles head-to-head. Simple & Fast: Our clean interface is built for quick data entry at the dock, at home, or at a boat show. No confusing menus, just the numbers you need. Whether you're deciding on your next boat or want to win the next dockside debate, download SailCalc and become a smarter sailor today.
Screenshots
Verdict
The clearest difference is price: Simple Xwind at Free against SailCalc's $1.99. Simple Xwind also leads on iOS requirement (15.6 vs 18.2). On ads, in-app purchases and device support 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
Simple Xwind is free to download; SailCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Simple Xwind | SailCalc |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Deutz | Knotlog Software LLC |
In-app purchases
Simple Xwind
No in-app purchases
SailCalc
No in-app purchases





