Hail Sentinel
Storm Alerts, Radar & Forecast
About
Receive real-time hail alerts and view live storm radar powered by a proprietary machine-learning model. Get detailed hail history and advanced features with a premium subscription.
What's New in Hail Sentinel
1.3.10
September 17, 2026
• Layouts for iPad and Mac across the app, plus a refreshed sign-in screen. • Redesigned Storm Report and alert pages, now with radar and a storm timeline. • Stability and performance improvements.
MoreSubscriptions & In-App Purchases
Premium — Annual
Premium membership annually for Hail Sentinel
FAQ
Does Hail Sentinel have ads?
No, Hail Sentinel does not contain advertisements. The app is free to use with optional premium features available via subscription.
What is the pricing for Hail Sentinel Premium?
Premium is available for $6.99 per month or $49.99 per year. A special 'Founding Member' price of $3.99 per month or $29.99 per year is available until October 31, 2026.
What devices support Hail Sentinel?
Hail Sentinel is supported on Apple Watch, iPhone, and iPad, offering a comprehensive experience across your Apple devices.
How often is Hail Sentinel updated?
The app was last updated on August 28, 2026, indicating a commitment to regular maintenance and improvements.
What is the age rating for Hail Sentinel?
Hail Sentinel has an age rating of 4+, making it suitable for a wide range of users concerned about weather safety.
Can I cancel my Hail Sentinel subscription?
Yes, your subscription renews automatically unless auto-renew is turned off at least 24 hours before the current period ends. You can manage your subscription through your Apple ID settings.
What makes Hail Sentinel's detection unique?
Hail Sentinel utilizes its proprietary machine-learning model, Anvil, which processes dual-polarization radar data every two minutes to specifically identify hail signatures, rather than generic weather patterns.
Does Hail Sentinel offer a free trial for Premium?
Yes, the Premium subscription plans offer a 7-day free trial, allowing you to experience the advanced features before committing to a purchase.
