FDS Altis vs WindsAloftPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FDS Altis
Access the instructional manual for your product and connect to the system. By using this application, you agree to the Terms of Service and Privacy Policy.
- Product instructional manual access
- System connection
- Terms of Service agreement
- Privacy Policy agreement
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See the instructional manual for your product at https://freefalldatasystems.com for information on how to connect to FDS Altis. By using this app, FDS Altis, you are indicating that you agree to our Terms of Service and Privacy Policy, as described at https://freefalldatasystems.com/termsofservice and https://freefalldatasystems.com/privacypolicy.
WindsAloftPro
This app calculates winds aloft for U.S. locations, providing data from 5000 to 39000 feet. It can also display crosswinds along your route and allows manual adjustment of climb and descent biases for various aircraft.
- Winds aloft calculation
- Crosswind display
- Climb/descent bias modification
- U.S. location support
- Altitude range 5000-39000 ft
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Calculates winds aloft for U.S. locations from 5000 feet to 39000 feet. Crosswinds can also be displayed for winds along your route of travel. Climb and descent biases can be manually modified for different aircraft performance numbers.
Screenshots
Verdict
The clearest difference is rating: FDS Altis at 3.9 against WindsAloftPro's 3.0. FDS Altis also leads on update cadence (every 3 weeks vs every 6 months) and ratings volume (10 vs 3). WindsAloftPro's advantage is iOS requirement (15.2 vs 26.2). On price, review sentiment, 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.
FDS Altis holds the better App Store score, 3.9 against 3.0. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews point the same way: 40% of FDS Altis's written reviews are positive against 33% of WindsAloftPro's.
FDS Altis ships an update every 3 weeks, WindsAloftPro every 6 months. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.
| Parameter | FDS Altis | WindsAloftPro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (10 ratings) — better | 3.0 (3 ratings) |
| Positive reviews | 40.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 10 — better | 3 |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.2 | 15.2 — better |
| Further details — not scored | ||
| Size | 16 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Casey Mongoven | Tremont Air, LLC |
Customer experience
FDS Altis
WindsAloftPro
In-app purchases
FDS Altis
No in-app purchases
WindsAloftPro
No in-app purchases
