# FD Viewer vs Flying Upwind

FD Viewer and Flying Upwind are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for FD Viewer against 5.0 for Flying Upwind. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

FD Viewer ships an update every 2 weeks, Flying Upwind every 8 days. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | FD Viewer | Flying Upwind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fd-viewer/id1550977564/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/flying-upwind/id6760206088/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 2 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neil Cormia](https://appshunter.io/developer/1056328330) | [Josh Perry](https://appshunter.io/developer/1881769343) |

## What reviewers say

### FD Viewer

[App page](https://appshunter.io/ios/app/fd-viewer/id1550977564)

Access and read detailed text weather products from the National Weather Service. This app reformats Area Forecast Discussions into a user-friendly interface, allowing easy navigation through sections and offices.

**Highlights:** Read Area Forecast Discussions (AFDs), View NWS offices on a map, List offices by distance or alphabetically, Paginated section navigation, User-friendly reformatting of weather data

**Features:** macOS Compatibility

**In-app purchases:** none


### Flying Upwind

[App page](https://appshunter.io/ios/app/flying-upwind/id6760206088)

This tool provides essential weather data for general aviation pilots, including winds aloft, airport conditions, and hazard information. Visualize wind profiles in 3D and access NWS forecasts and alerts for safe flight planning.

**Highlights:** Winds aloft visualization (3D ribbon/particle), Decoded METARs and TAFs with flight category coding, Hazard maps (TFRs, SIGMETs, AIRMETs, NOTAMs), NEXRAD radar and wind map overlays, NWS area forecast discussions and alerts, Works on phone, tablet, and desktop

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FD Viewer free?

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

### Is Flying Upwind free?

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

### Which has better reviews, FD Viewer or Flying Upwind?

FD Viewer and Flying Upwind are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do FD Viewer or Flying Upwind have ads?

Neither FD Viewer nor Flying Upwind shows ads.

### Which is updated more often, FD Viewer or Flying Upwind?

FD Viewer ships an update every 2 weeks, and Flying Upwind every 8 days. Most recently, FD Viewer was updated on October 7, 2026 and Flying Upwind on October 13, 2026.

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