# Metar USA vs FD Viewer

The clearest difference is update cadence: FD Viewer at every 2 weeks against Metar USA's every 15 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

Metar USA ships an update every 15 months, FD Viewer every 2 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Metar USA | FD Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fd-viewer/id1550977564/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 2 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emanuele Chiavelli](https://appshunter.io/developer/751050891) | [Neil Cormia](https://appshunter.io/developer/1056328330) |

## What reviewers say

### Metar USA

[App page](https://appshunter.io/ios/app/metar-usa/id1065845081)

Access continuously updated METAR weather reports for all USA stations, sourced from official government data. Includes a comprehensive database of USA airfields, airports, and their geographical information.

**Highlights:** USA METAR weather reports, Continuous updates, Official government data, USA airfield database, Airport geographical data, Geo-coordinates

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Metar USA free?

Metar USA is free to download, with no in-app purchases.

### Is FD Viewer free?

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

### Do Metar USA or FD Viewer have ads?

Neither Metar USA nor FD Viewer shows ads.

### Which is updated more often, Metar USA or FD Viewer?

Metar USA ships an update every 15 months, and FD Viewer every 2 weeks. Most recently, Metar USA was updated on October 7, 2026 and FD Viewer on October 7, 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.*