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The direct answer
Yes—the app is currently free to download on Android, but that answer is limited to the present U.S. Google Play listing. The page presents an “Install” option rather than a purchase price.
“Free” here describes the upfront download price, not the cost of a compatible phone or internet access. Ordinary device and connectivity expenses are separate from the app’s store price.
Why older answers may disagree
An older Android listing described free access for certain customers and an in-app subscription for other users. The current listing uses a different app identifier and no longer presents that older description.
That change makes the date, platform, and version important. A search result, review, or screenshot from the older app can accurately describe its time while being wrong about the current Android offer. Check the live listing for your device and region because pricing, availability, and features can change; this answer does not establish current iOS terms.
What the free alerts establish
The app’s cost does not change what weather information can prove. Its current Google Play description says it uses NEXRAD radar, National Weather Service warnings, and Storm Prediction Center forecasts to identify possible hail threats. Those are useful warning inputs, but they represent different kinds of evidence.
Keep three conclusions separate
Radar-estimated hail is an algorithmic indication. Observed hail is a ground report or measurement. Confirmed property damage is a separate finding; neither a radar estimate nor a nearby hail report proves damage at a particular address.
A peer-reviewed NOAA-hosted analysis defines MESH as an estimate based on radar reflectivity. It separately compares the MESH climatology with hail-report climatology, making the distinction between remote estimates and ground reports explicit.
NOAA’s Storm Events Database likewise keeps event-specific information such as locations, damage, and narratives as distinct data. A storm record or alert can document a weather event without establishing what happened to one property.
Practical bottom line
For the current U.S. Android offering, the answer is yes: the listing offers installation without an upfront price. Treat that as a current store-listing statement—not a permanent guarantee—and treat its hail alerts as weather guidance rather than proof of observed hail or property damage.
Related reading: How Do You Measure Hail Size?
