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.
See every hailstorm — from your pocket.
Real-time forecasts, live radar, and your address's hail history — every screen here is the live iOS app, not a mockup.
Your day, read at a glance — probability, timing, and how the risk builds.
Live storm reflectivity, colored by what's actually falling.
Every alert, logged — with the size and confidence behind it.
Your address's real hail history — frequency, severity, coverage.
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 gets real-time push the moment hail is closing in, at full precision. Premium warns you at every horizon — from days out to the final minutes — and adds multi-location, the AI agent, and SMS + email backup. Cancel anytime, billed by the App Store or Google Play.
A real warning before the next storm. One location, full precision, real-time push the moment hail is closing in.
- 1 saved location
- Real-time push (~15 min lead)
- Every take-cover warning
- Pinpoint precision
- 2-day forecast
- Powered by Anvil
Warnings at every horizon — from days out to the final minutes — plus the coverage and tools serious hail-watchers ask for.
- Every-horizon warnings (7 days → 90 min)
- Full 7-day outlook
- Up to 4 locations
- SMS + email backup delivery
- Follow Me GPS
- AI Agent · Playbooks
One platform. Every capability included.
You scale coverage, team, history, and assurance — nothing is locked behind a higher tier. Every plan starts with a 14-day free trial, no card.
One $12k insurance roof = 10+ months of platform.
One documented event = a clean, court-admissible claim file.
One hail-totaled trailer = $80k+ — one warning pays for years.
One prevented dispute / faster claim per building.
Embed hit-addresses and hail probability in your own product.
A storm rolls through overnight → 6am you get the hit-address list for your zones → you’re knocking before anyone else.
Document a single site after a storm — pull a per-address, court-admissible report on demand.
Watch one yard or lot — the 34-min warning hits your phone so you can move equipment before impact.
Cover one property or community — per-building reports the morning after every storm.
One crew, full REST API access — wire the hit-list straight into your tools.
$0 surprise charges, ever
- 50 monitored locations
- 375 reports / mo
- 5 seats
- 2-yr history
- Email support (24h)
Solo crew · storm chaser · single site (50 locations ≈ a ~30-mi metro service area).
Cover your whole metro — morning-after hit-list dispatches crews before competitors knock.
A desk’s worth of claims — pull per-address reports across your whole metro of cases.
Several yards or a small fleet — push the warning to every supervisor, 24/7.
A handful of buildings — route each property’s hit alert to its on-site manager.
Metro-wide coverage with full API + webhooks for your CRM enrichment.
$0 surprise charges, ever
- 250 monitored locations
- 1,875 reports / mo
- 10 seats
- 3-yr history
- Email + chat support (12h)
Growing crews · single-metro contractors · single-region restoration · small fleets · ag operations (per-field reports).
Run several markets at once — reposition zones as the outbreak tracks east, dispatch before anyone.
A multi-state book of claims — court-admissible reports with a real 99.9% SLA behind them.
Outdoor fleets & multi-terminal operators — the 34-min warning is pushed to every yard supervisor, to every seat.
Multi-metro portfolios — per-site routing-ready coverage with priority support.
Several markets on full API + webhooks, with priority 8h support and a 99.9% SLA.
$0 surprise charges, ever
- 1,000 monitored locations
- 7,500 reports / mo
- 25 seats
- 5-yr history
- Priority support (8h)
Multi-market contractors · multi-state field crews · multi-metro restoration · outdoor fleets & multi-terminal operators · dealer groups.
National field operation — every market covered, with the controls corporate IT asks for.
Carrier-scale verification — court-admissible reports with SSO, audit export, and a SOC 2 summary.
Large fleets across states — per-site routing sends each terminal’s warning to the right phone.
40 properties × 2 zones = 80 of 5,000 — route hit-property alerts to each on-site manager (per-site routing), per-building reports for claims.
Portfolio-scale coverage + SSO + audit export, with the full API and per-site routing.
$0 surprise charges, ever
- 5,000 monitored locations
- 37,500 reports / mo
- 60 seats
- 7-yr history
- Priority support (4h)
- SSO SOC 2 summary audit export per-site routing
Multi-family / apartment portfolios · HOA · REIT · corporate facilities · large fleets · multi-state · government.
Default spend cap = $0. Opt-in extras only: +reports $0.12 · +seats $10 · +250 locations $79.
1 report = 1 location (address / parcel / building / lot) × 1 storm. Court-admissible — accepted by major P&C carriers AND FCIC/RMA crop-insurance adjusters. Reports pooled across your account; bulk-import locations by CSV.
Verify losses — court-admissible, no monitoring.
For public adjusters, insurers’ desks, legal / forensic, and crop-insurance / FCIC adjusters & ag operations documenting post-event loss.
- 500 court-admissible reports / mo (resets monthly; $0.12 each after)
- Verify-scope API — REST per-address lookup + batch CSV upload
- Email support
- Admissible in appraisal proceedings & civil litigation; accepted by major P&C carriers and FCIC/RMA crop adjusters
Light: 30 reports = $49. Heavy CAT: 600 = $61. Ag/crop: paste FSA parcel numbers (or bulk-import 200+ field boundaries by CSV) → pull a per-parcel report carrying parcel ID, event timestamp, estimated hail size, and storm-path geometry — format aligns with RMA loss-adjustment standards.
Join the waitlist