By Yunxia Liu
Report updated May 6, 2026
406 DF
For search and rescue personnel equipped with 406 MHz directional finding hardware.
Overview · Full Intel report in progress
406 DF is an established navigation app that is a paid app.
What is 406 DF?
Current Momentum
v1.0
No release notes available.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
NavigationRating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
How Is The App's Momentum Right Now?
Loading...
What Are The Key Features?
Provides technical support for locating Emergency Locator Transmitters using 406 MHz signals.
Designed to interface with specialized 406 MHz directional finding equipment.
How much does it cost?
Who Built It?
Providing specialized navigation tools for search and rescue personnel. Streamlining the recovery of Emergency Locator Transmitters.
Portfolio
1
Apps
Who is Yunxia Liu?
The publisher operates as a niche utility developer, focusing on high-stakes, professional-grade hardware integration rather than consumer-facing mobile entertainment. By bridging the gap between 406 MHz directional finding equipment and mobile interfaces, they occupy a specialized technical vertical that requires domain-specific hardware compatibility. Their strategic value lies in this narrow, mission-critical utility, which effectively insulates them from the volatility of the broader navigation app market.
Who is Yunxia Liu for?
- Search
- Rescue personnel
- Emergency response teams utilizing 406 MHz directional finding hardware
Portfolio momentum
Released 1 update in the last 6 months, reflecting a maintenance-focused development cycle for their single navigation tool.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for 406 DF?
How's The Navigation Market?
How does it evolve in the Navigation market?
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇺🇸 US | Navigation | iOSPaid | #76 | NEW |
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for 406 DF
Key Takeaways
This is a niche utility app specifically engineered to support search and rescue operations involving 406 MHz ELT signal tracking.
Where Is It Heading?
Trend analysis
Available very soon