Exposure Radar
Readiness & illness exposure
About
This app provides a daily readiness score based on your exposure to contagious illnesses and your body's current vitals. It tracks your location to estimate exposure and syncs with health data to monitor your body's status. Plan for important events by maintaining a low-exposure window before them.
What's New in Exposure Radar
1.4
November 5, 2026
New: an Apple Watch app with complications, wastewater from treatment plants that serve several counties, Stop sharing that's always available, and invite links you confirm before they're accepted. Home area: a yard or a building's grounds count as home, and your past places are sorted for it once. Time in daylight from Apple Watch counts the outdoor part of a stay as outdoors. Crowding now estimates people, not devices, and you can mark your own devices. Motion & Fitness, if you allow it, tells a drive from a walk between places. Wastewater: a sewer site that has found a virus only a few times all year no longer reads a small trace as High, and Sources now credits WastewaterSCAN and CDC for the samples. A chart draws a week with too few samples as a hollow dot and names a gap in sampling. Nothing new leaves your phone.
MoreSubscriptions & In-App Purchases
Family & Friends
Share scores with up to 8 people, encrypted
Developer apps
FAQ
What is Exposure Radar?
Exposure Radar provides a daily readiness score by combining your exposure to contagious illnesses with your body's current vitals. It helps you understand your health status and plan accordingly.
Does Exposure Radar have ads?
No, Exposure Radar is ad-free. The app's privacy statement explicitly mentions 'no ads', ensuring an uninterrupted user experience.
How accurate is Exposure Radar's exposure tracking?
Exposure Radar estimates exposure based on time spent at locations, type of place, crowding, and air dryness. It also checks CDC wastewater levels for specific illnesses in your county.
What health data does Exposure Radar use?
It reads heart rate, resting heart rate, heart rate variability, respiratory rate, body temperature, blood oxygen, sleep, and steps from Apple Health. This data is used to compare against your 60-day baseline.
Can I share my Exposure Radar scores with others?
Yes, you can share your scores with up to 8 people. This feature is encrypted on your iPhone before upload and is the app's only paid feature, costing $4.99 per year.
What is the cost of Exposure Radar?
Exposure Radar is free to use for your own scores, alerts, planning, widgets, and the Apple Watch app. Sharing scores with family and friends requires a yearly subscription of $4.99.
How often is Exposure Radar updated?
The app was last updated on 2026-11-05, indicating recent development and maintenance. The latest version is 1.4.
Is Exposure Radar a medical device?
No, Exposure Radar is for general wellness and personal awareness. It is not a medical device, does not diagnose, treat, or prevent any disease, and cannot tell you if you have caught something. Consult a doctor for medical advice.