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Independent automated assessment · 3 signal sources · 502 reviews scanned · analyzed 2026-10-05.

Storm Shield

Mosaic S.r.l.

Severe Weather Alerts & Radar

4.8 ★113,491 ratings
—Downloads
4+Age rating
96 MBApp size
Free · In-app purchasesIn-app purchases

About this app

Named by Time.com's @Techland as one of the best weather apps for your iPhone and Apple Watch.

Severe weather alerts for your exact location. Storm Shield gives you storm-based alerts for tornado, hurricane, flood, thunderstorm, winter storms and other life-threatening weather events via voice and push notification.

Storm-based alerts help reduce false alarms by alerting you to severe weather based on your exact location within a county. County-based alerts can result in false alarms, warning you when your location in the county is not within the threatened area.

What people are saying: • Storm Shield "alerted our family of the Broken Arrow, OK tornado, faster than the TV and tornado sirens." - Robyn

• "I was in Oklahoma City during the tornado... we were right in its path. Your app literally was a life saver." - dcalk12…

Preview

Real screenshots from the store listing.

8 screenshots
Storm Shield screenshot 1
Storm Shield screenshot 2
Storm Shield screenshot 3
Storm Shield screenshot 4
Storm Shield screenshot 5
Storm Shield screenshot 6
Storm Shield screenshot 7
Storm Shield screenshot 8

Independent evidence report

The evidence behind this assessment

This is where the page changes from an app-store listing into an evidence report: findings, important reviews, pricing and a dated history.

Automated assessment complete

Which version this describes

When we ran this analysis, and what the store lists now.

This analysis describes version 4.26.7 of the app, analyzed 2026-10-05 . The app may have changed since.

The store currently lists version 4.26.7, updated 2025-06-21.

What we measured

Each line is a measurement published as a measurement, never a verdict.

How these are measured

Each line is a measurement, published as a measurement. Where we have not looked, the line says so rather than reading as a zero.

Developer replies to reviews
Replies to fewer than 1 review in 20
Price in the store description
States no price and billing period
Cancelling, in the store description
Says how to cancel
Themes reported by reviewers
1 theme reported
Counted from the reviews we have read for this app. "No theme reported" means no theme reached our reporting threshold — it is not a finding that nothing is wrong with this app, and we do not say it is.
Five-star share of ratings
80–89% five-star
Arithmetic on the stores' own published rating counts. It says nothing about why the ratings fall where they do.

In the package we scanned

No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence about the app, not a finding about it.

Graded bands · predicate set 1.4 · how these are measured

What the analysis found

App-specific findings, grouped by what each one rests on. How they are graded lives on its own page.

Methodology

The catch list 1

Charges we publish at a strength we stand behind: measured from an artefact, agreed by independent sources, or reported by enough users to clear that charge's own published bar.

Reported by users: Price keeps rising
Reported by 118 usersReported by users, not measured — nothing we can inspect could show this either wayview evidence
The price of the paid tier has been raised on existing users.
What we saw: Raised by 118 distinct reviewers — 23.5% of the 502 reviews scanned on this store leg (App Store).

Highlighted reviews

Representative public review excerpts shown as user reports, not Appworthy audit evidence.

Price keeps rising
“The best.. — I’m using Storm Shield since many years and it’s simply the best. Just this morning the app informed me that a brief rain shower would occur at 6:57am - at exactly at 6:57 it started raining for about 3 minutes. Do I have to…”
1★ · App Store · 2026-09-26
Price keeps rising
“Do Not Download - Money Hungry Developers — I have been a loyal customer since the app launched. It was my favorite and the best for future radar watches. It helped with Tornado tracking in my area and having the ability to warn my local…”
1★ · App Store · 2026-06-05
Price keeps rising
“Price Increase is too much, — Latest price increase to over $11 a month is too much. It adds uo to more than $120 year. After almost a decade, I am cancelling my subscription. I will miss you but this is too much.”
2★ · App Store · 2026-05-02

Assessment & version history

App changes and Appworthy events in one timeline.

Store listing updated to version 4.26.7.

What this app sells

Useful store-disclosed pricing, kept below the app listing.

Items shown7
Lowest$1.99
Highest$29.99
Weekly with Free Trial$1.99
Weekly Subscription$1.99
Yearly Subscription$29.99
Yearly with Free Trial$29.99
30-Day Limited Offer Upgrade$11.49
Show 2 more purchases
Premium Weather$10.99
Lightning Strikes$10.99