# FD Viewer vs Bird Up

The clearest difference is update cadence: FD Viewer at every 2 weeks against Bird Up's every 8 months. Bird Up's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

FD Viewer ships an update every 2 weeks, Bird Up every 8 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FD Viewer | Bird Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fd-viewer/id1550977564/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 2 MB | 25 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Neil Cormia](https://appshunter.io/developer/1056328330) | [Robert Howell](https://appshunter.io/developer/1645894332) |

## 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


### Bird Up

[App page](https://appshunter.io/ios/app/bird-up-soarcast/id1645894330)

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

**In-app purchases:** none


## Frequently asked questions

### Is FD Viewer free?

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

### Is Bird Up free?

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

### Do FD Viewer or Bird Up have ads?

Neither FD Viewer nor Bird Up shows ads.

### Which is updated more often, FD Viewer or Bird Up?

FD Viewer ships an update every 2 weeks, and Bird Up every 8 months. Most recently, FD Viewer was updated on October 7, 2026 and Bird Up on October 10, 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.*