Stay connected
even without signal
Your iPhone is now a walkie-talkie, GPS tracker, and SOS beacon. No cell towers needed.
Choose your experience
One app. Two modes.
Whether you're on a weekend trip or coordinating search and rescue, RANKAN adapts to you.
Adventure
For your next group trip
Hiking, hunting, floating, camping, boating, off-roading — keep your group connected when you leave cell service behind.
Professional
For incident command & SAR
Full ICS command structure with encrypted communications, personnel accountability, and sector planning.
Simple setup
Ready in 60 seconds
Create a Trip
Pick your activity, name your trip, and get a 6-character code.
Share the Code
Text it to your group. They enter the code — no accounts, no sign-ups.
Go Off-Grid
See everyone on the map, talk via push-to-talk, and SOS if needed.
Core features
Everything you need off-grid
Voice, location, and safety — all without cell service.
No Signal? No Problem.
Creates its own mesh network between nearby iPhones. Works in canyons, on lakes, in forests — anywhere you lose signal.
Push-to-Talk Radio
Hold to talk, release to send. Crystal-clear voice that works like a walkie-talkie. Supports AirPods and Bluetooth.
Live Group Map
See where everyone is in real time. Breadcrumb trails show where they've been. Tap anyone for distance and direction.
Find Anyone
A compass arrow points toward any group member with real-time distance. Find anyone, even in dense terrain.
One-Tap SOS
Alerts your entire group with your location. Copy GPS coordinates for 911 in one tap.
Just Your iPhone
No extra hardware. No expensive radios. No subscriptions. Works on any modern iPhone you already own.
Built for group trips
Hiking. Hunting. Floating. Camping. Whatever your adventure, RANKAN keeps your group connected.
Trip Hub
Your trip's home base. See who's here, who's away, and whether everyone's OK at a glance.
8 Activity Types
Hiking, hunting, boating, skiing, camping, off-roading, fishing, and general outdoor — pick yours.
Friendly Map
Names and status dots, not tactical overlays. The same powerful map, made simple.
Group Radio
Push-to-talk that works without cell service. No channels to configure. It just works.
SOS + My Coordinates
One-tap SOS alerts everyone. A directional arrow guides them to you. Copy GPS for 911.
Check on Everyone
Send a quick check — each person taps OK or Emergency. Know everyone's safe in seconds.
The command center
in your pocket
Full ICS command structure with encrypted communications, personnel accountability, and sector planning.
ICS Role Hierarchy
Seven real ICS roles from Incident Commander to Field Operator, with proper permissions and chain of command.
Encrypted QR Onboarding
IC generates encrypted QR codes that assign roles, agencies, and divisions. Scan and you're in with the right permissions.
Hierarchical Voice Channels
Command, Agency, Division, and Emergency channels. Role-based transmission enforces the chain of command.
Commander Dashboard
Three-panel command view with division hierarchy, real-time map, and IC controls. Full personnel status at a glance.
PAR Checks
Personnel Accountability Reports with real-time tracking and auto-escalation if someone doesn't respond.
MAYDAY Protocol
Location broadcast, directional arrows, auto-photo capture, and hot mic. Impact detection for man-down alerts.
Sector Planning
Draw search sectors on the map. Assign divisions. Track coverage with breadcrumb trails and POI marking.
Incident Logging
Categorized entries with priority levels. Real-time sync across all devices. Exportable mission reports.
Training Mode
Persistent banner distinguishes training from live operations. Never confuse practice with real incidents.
Safety first
When it matters most
Safety features designed for real emergencies.
SOS / MAYDAY
One tap sends your location to every connected device. Directional arrows point responders toward you. Your mic opens automatically.
Directional Finding
See a compass arrow pointing toward any teammate with real-time distance. Works everywhere using GPS bearing.
Coordinates for 911
Your GPS coordinates are always one tap away. Copy them to paste into a text or read to a dispatcher.
Check-In / PAR
Quick group check-ins for adventure. Full Personnel Accountability Reports with auto-escalation for professionals.
Leave Area / EVAC
Alert your entire group to leave the area immediately. One button, instant broadcast to every device.
Under the hood
Built for real-world use
No cloud. No compromises. Just technology that works when you need it.
Works Anywhere
- Connects directly between nearby devices
- Extends range through your group automatically
- No cell towers or internet required
Clear Communication
- Push-to-talk voice like a radio
- Fast, reliable, and easy to use
- Designed for real-world conditions
Know Where Everyone Is
- Live group location on a shared map
- Directional guidance to find teammates
- Built for movement, not static maps
Your Data Stays Yours
- No accounts or sign-ups required
- Nothing leaves your device or your group
- No tracking, no analytics, no servers