Features
What Keryx Maps does today.
Hazard awareness, offline maps, on-device routing and preparedness planning in one application — with the differences between the web app and the installed apps spelled out.
7 days free · No credit card required
Hazard awareness
Real-time hazard information from 45+ data feeds across 25+ sources, on one map. Each event names the agency it came from. Keryx does not issue warnings — always follow instructions from your local officials.
- Alerts for the map regions you download, sent within about two minutes of our receiving them
- Global Alerts for worldwide-significant events
- Choose which alert categories you receive
- Filter by hazard type, severity and region; saved filter preferences
- 2D timeline playback, and look back up to a year
Push notifications in the Android and iOS apps; system notifications in the desktop apps; browser notifications while the web app is open.
- EarthquakesUSGS, EMSC and regional networks
- TsunamiNOAA Tsunami Warning Centers
- VolcanoesUSGS and Smithsonian GVP, with volcanic ash advisories
- Wildfires and smokeNASA FIRMS satellite detections, NOAA HMS, fire perimeters
- Severe weatherNWS, Environment Canada, MeteoAlarm, Bureau of Meteorology
- Tropical stormsNational Hurricane Center tracks and forecast cones
- FloodsRiver gauges and flood warnings
- Avalanchesavalanche.org and Avalanche Canada advisories
- Air qualityEPA AirNow (United States)
- Space weatherNOAA SWPC and NASA DONKI
- RadiationOfficial networks (US, Canada, Germany, Japan, Taiwan) + Safecast
- Civil unrestNews-based event reporting from GDELT

Offline maps
Download the regions that matter to you in the Android, iOS, Windows, macOS and Linux apps. Paid plans download as many regions as you need; the trial includes 3. In the web app, maps stream from the Internet rather than being stored.
- Light, dark and automatic map styles
- Topographic contour overlays
- The Android and iOS apps switch between downloaded state maps as you travel
Works without a connection
- Downloaded maps
- Saved pins, routes and trips
- On-device routing
- Preparedness guides in the apps
Needs a connection
- New hazard alerts and updates
- Downloading more regions
- Syncing between devices
Current Offline Maps capture coming soon
Current route planning capture coming soon
Routing and navigation
Routes are calculated on your device in the Android, iOS, Windows, macOS and Linux apps, across the regions you have downloaded — no connection needed. Routing is not available in the web app.
- Turn-by-turn directions
- Multi-state road trips with several stops
- Plan and save trips in the web app; calculate the route in an installed app
Pins, trips and preparedness planning
Decide your options while things are calm, and keep them where you can reach them.
- Pins for home, family, meeting points and supply stops
- Saved routes and trips
- Area Study: draw, measure and annotate an area, with range rings, bearings and a UTM grid
- Track recording
- Import and export pins and tracks (GPX, KML); Area Study exports to KML and GeoJSON
- Preparedness guides available offline in the apps
Current Pins and Area Study capture coming soon
The 3D globe
See events across the world at once, filter them by type, category and region, and scrub through time to see how they unfolded.

Storms, space weather and Labs
Storms
Tropical storm tracks and forecast cones from the National Hurricane Center, winter storm areas, and avalanche advisories.
Space weather
Kp index and history, aurora visibility, incoming coronal mass ejections, solar flares and solar wind, from NOAA SWPC and NASA DONKI.
Labs
A research section for paid subscribers. Most Labs experiments are still in development, and everything in Labs is marked experimental — not for emergency decisions.
Privacy architecture
We don't track where you go
Our servers do not receive your GPS coordinates or build a movement history. Map and routing location work happens on your device.
What you save is yours
Routes, trips and pins you choose to save are stored on your device — and, if you turn on sync, end-to-end encrypted. Saving a plan is not the same as being tracked.
What we do keep
Account, subscription and referral information, and which map regions you have downloaded so alerts can be matched to them. No third-party trackers; crash reporting can be switched off.
From Settings you can request a copy of your data, delete your data, or delete your account.
Platforms
One subscription covers Web, Android, iOS, Windows, macOS and Linux. The apps are not identical:
Android and iOS
- Offline maps and on-device routing
- Push notifications
- Map auto-switch as you travel
Windows, macOS and Linux
- Offline maps and on-device routing
- System notifications
Web
- Nothing to install
- Maps stream from the Internet
- Browser notifications while open
- No routing
Sources and reliability
- 45+ / 25+
- data feeds from authoritative sources
- ~2 min
- from our receiving an update to your notification
- 99%
- uptime, including brief restarts when we ship updates
- 24/7
- automated monitoring of the service
Prepare before you need it.
Try Keryx for 7 days with up to 3 offline map regions. Labs and Family sharing come with a paid plan.
No credit card required