iOS · Now on TestFlight

Know before
you go.

Activity-specific conditions for skiing, climbing, hiking, diving, and fishing. Every report ends with a plain go/no-go verdict so you spend less time guessing and more time outside.

Download for iOS (TestFlight) See Features

Android coming to Google Play soon.

Free Radical activity selection screen

Pick your activity, get what matters

Free Radical conditions screen in climbing mode

Full conditions report in one tap

Free Radical Explore tab showing river flow, swell, and tides

Look up any data source on its own

Free Radical gear templates screen

Reusable gear loadouts for every objective

The go/no-go call, before you leave

Every report opens with a plain verdict for your activity. Green means go. Yellow means think twice. Red means stay home. The details are there if you want them.

GO

Good conditions for climbing. Clear skies, 58°F, winds at 8 mph. No precipitation in the forecast window.

CAUTION

Use caution for skiing. Avalanche danger is Considerable (3/5). Travel cautiously and avoid slopes above 35 degrees.

HAZARD

Not recommended for hiking. Thunderstorms in the area. Avoid exposed ridges and summits.

🎯
Activity Modes
Skiing, climbing, hiking, diving, and fishing. Each mode filters the report to conditions that matter. Fishing adds a species picker across 10 target species.
🎣
Fishing Intelligence
Species-specific water temp, solunar bite windows, tackle tips by temp and sky, 7-day fishing forecast, and river flow for bass, trout, walleye, tautog, and more.
❄️
Snow & Avalanche
SNOTEL snow depth and water equivalent paired with current avalanche danger level from the regional avalanche center.
🌊
Tides & Moon
Tide times and heights for coastal objectives, plus moon phase and illumination percentage for night travel planning.
🌡️
Weather & Forecast
Current conditions plus multi-day outlook. Wind aloft, UV index, barometric pressure trend, freezing level, and active NWS alerts.
🎒
Trips & Gear
Plan trips, build gear loadouts, and track what you packed. Rate your outings and keep notes on conditions you found.
Data Sources

Built on real data

The same sources the pros check, pulled directly from public agencies and interpreted for your activity.

Open-Meteo NOAA USGS SNOTEL Avalanche.org NIFC Apple Maps OpenBeta
Privacy

No account. No tracking.

Everything happens on your device. No server sees your location. No account is required, ever.

No account · No tracking · Nothing leaves your phone

Download

Available now on iOS

TestFlight is open. Download now with any Apple ID.

Download on TestFlight

Free to download. No account required. Android coming to Google Play soon.