# 406 DF

> 406 DF (iPhone/iPad app by Yunxia Liu.)

- Source: https://appshunter.io/ios/app/406-df/id6759626601 (this page in markdown: same URL + `.md`)
- Developer: [Yunxia Liu](https://appshunter.io/developer/1879889939)
- Category: Navigation
- Price: $0.99
- Age rating: 4+
- Requires: iOS 15.0 · 28 MB
- Languages: American English
- Released: 2026-02-27
- Data updated: 2026-09-10
- User reviews in markdown: https://appshunter.io/ios/app/406-df/id6759626601/reviews.md

## What is 406 DF?

This app is intended for search and rescue personnel who has access to 406 MHz directional finding equipment to help locate Emergency Locator Transmitter.

## Chart rankings

- #187 in Top Paid · Navigation (US App Store)


## Version history (last 1 release)

### 1.0 — 2026-02-27

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*