Background Location Access
Understand your risk level and stay prepared for emergencies in important locations. Get actionable information on hazards like fire, flood, and heat, with location-aware alerts and evacuation readiness scores. Developed with public safety experts.
3.5.6
October 20, 2026
• Projected fire perimeters: the map now shows a fire's current and future estimated perimeters, each with its time. Tap a perimeter to open its simulation run. • New Evacuations tab: each incident has an Evacuations tab, and every location shows which evacuation zone it's in, including Normal zones. • Tablet layout: the incident summary and tabs stay pinned under the title. • Renamed menus: "Menu" is now Settings, and the old Settings is now Personalize Sentinel. • Various bug fixes.
MoreSentinel is a free lifestyle app developed by Ladris that helps users understand their risk level and stay prepared for emergencies in multiple locations. It provides actionable information on hazards like fire, flood, and heat, along with active zone alerts and evacuation readiness scores.
Yes, Sentinel is completely free to download and use. The app is available at no cost to users, with no in-app purchases or advertisements.
No, Sentinel is ad-free. The app is designed to provide a focused and uninterrupted experience for users concerned about emergency preparedness.
Sentinel is available for iPhone and iPod devices. It runs on iOS and is optimized for these platforms.
The latest version of Sentinel, 2.0.0, was last updated on March 20, 2026. Users can expect regular updates to ensure the app's reliability and accuracy.
Sentinel provides location-aware push notifications for active zone alerts, including evacuation orders, warnings, and shelter-in-place instructions. It also offers dynamic advisories from NWS, IPAWS, and local authorities.
Yes, Sentinel allows you to save and track risk scores for multiple locations that matter most to you, such as your home, family members' residences, or workplace.
Sentinel has an age rating of 4+, making it suitable for a wide range of users. The app's content is generally appropriate for children and adults.
