Billions in damage every year — and nobody’s watching.
County-wide warnings, generic weather apps, and carrier-only data leave everyone else in the dark.
Source: NOAA National Severe Storms Laboratory · Insurance Information Institute.
What if you could see it coming?
Hail Sentinel.
A comprehensive hail intelligence platform — radar-native, multi-source, and real-time.
Alerts before the storm hits your block.
For homeowners, car owners, and outdoor enthusiasts.
Clean hail intelligence at a fraction of the cost.
For roofers, adjusters, property managers, fleets, agriculture.
Nationwide hail intelligence.
Full coverage across the contiguous United States at 1 km resolution with 2-minute update cycles.
From raw atmosphere to a single clear answer.
Four data sources collapse into one hail decision — delivered to the app on your phone and the platform on your desk.
Four data streams, continuously.
Radar, satellite, ground reports, and physics models are fused in real time across the contiguous United States.
Identify the hail signature.
A dual-pol ML pipeline sifts the noise and identifies hail cores, size, and track — at the resolution of a single city block.
Two tiers of intelligence.
Real-time alerts to your phone before impact. A historical data platform for teams that need the full record.
Real-time alerts
Push, SMS, email — before the storm hits your block. Hail size, ETA, recommended action.
Hail data platform
Historical analysis, natural-language query, presentation-ready reports, REST API.
Your data, protected at every layer.
Encryption, access controls, and privacy compliance are built into every request — running on Google Cloud’s enterprise infrastructure.
Protect your home for $4.17 a month.
Free with a saved location. Premium adds multi-location, AI insights, and SMS + email alerts. Cancel anytime, billed by the App Store or Google Play.
A real warning before the next storm. One location, full lead time, full precision.
- 1 saved location
- Real-time push alerts
- Pinpoint precision
- 7-day forecast
- Powered by Anvil
Everything in Free, plus the coverage and tools serious hail-watchers ask for.
- Up to 3 locations
- Push · SMS · Email alerts
- 7-day forecast
- Follow Me GPS
- AI Insights
- Playbooks (rule automation)
Plans that scale with your business.
For roofers, insurers, and fleets. Start with a 14-day free trial of Pro. No commitment — cancel anytime.
Essential hail intelligence for small teams getting started.
- 2 alert zones
- 100 queries/month
- 3 users
- 1,500 credits/mo
- 90-day history
- Email alerts
- Email support (48h)
Advanced tools and API access for growing operations.
- 10 alert zones
- 2,000 queries/month
- 15 users
- 12,000 credits/mo
- 1-year history
- Email + Webhook alerts
- Email support (24h)
Full-scale hail data platform with priority support and SLA.
- 50 alert zones
- 10,000 queries/month
- 50 users
- 125,000 credits/mo
- Unlimited history
- All integrations
- Priority support (4h SLA)
- 99.5% uptime SLA
Custom deployments with SSO, custom legal, and a named CSM.
- SSO / SAML 2.0
- Custom DPA + MSA
- Audit log export
- Dedicated infrastructure
- Custom SLA + uptime
- Custom integrations
- Named CSM + onboarding
- Priority security review