Comparison

Cumo vs WhatTheHail?

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cumo

Features
Read full description

Ever look up at the sky and wonder: What kind of cloud is that? What caused it to form? And what weather might it bring? Discover the answers with Cumo, your personal AI-powered guide to cloud recognition and weather prediction. Cumo transforms your iPhone into a powerful and intuitive tool for exploring the atmosphere above. Leveraging advanced artificial intelligence, Cumo goes beyond simple identification to provide you with comprehensive, fascinating insights into every cloud formation you encounter. Your Seamless Cloud Analysis Journey Snap a Photo: Easily capture any cloud formation using Cumo’s integrated camera, or select a photo from your device's library. AI Analysis: Our sophisticated AI instantly processes your image and, using your precise location for accurate weather context, analyzes the cloud's type, altitude, and unique formation patterns. This comprehensive process ensures the most accurate results. Get Detailed Data & Insights: Your analysis is presented on a dynamic results page, offering in-depth information about your captured cloud. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

WhatTheHail?

Read full description

Hail can total your car in minutes. WhatTheHail watches the skies so you don't have to and helps you get your vehicle out of harm's way. Built on live National Weather Service and NOAA radar data, WhatTheHail shows you exactly where hail is falling, warns you when a storm is heading for your location, and plans driving routes that steer around the worst of it. FREE • Live hail and storm radar map • Hail-zone overlays so you can see the threat at a glance • Severe-weather alerts for your current location • Instant "is there hail near me right now?" check WhatTheHail+ (subscription) • Storm Watch - round-the-clock monitoring that alerts you to move your car before hail hits, even when the app is closed • Route hazard scoring - check any trip for hail risk before you leave • Storm-aware navigation - turn-by-turn routing that reroutes you around hail in real time • Trip planning with multiple stops and side-by-side route comparison • Multiple saved locations - home, work, school, etc. WHO IT'S FOR Drivers in hail country who'd rather not explain another shattered windshield to their insurer. SUBSCRIPTION WhatTheHail+ is $4.99/month or $29.99/year, with a 7-day free trial on the annual plan. Less than a comprehensive deductible — one avoided hailstorm pays for years. Subscriptions auto-renew unless canceled at least 24 hours before the end of the period. Manage or cancel any time in your Apple ID settings. IMPORTANT WhatTheHail! is an informational aid, not a substitute for official National Weather Service warnings or for safe driving judgment. Weather data may be delayed or inaccurate. Always follow official alerts and never interact with the app while driving. Privacy Policy: https://hailno.adaptiveintelsolutions.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Cumo4 screens
WhatTheHail?4 screens

Verdict

The call

The clearest difference is update cadence: Cumo at every 2 weeks against WhatTheHail?'s every 6 weeks. WhatTheHail?'s advantage is iOS requirement (18.5 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cumo sells 2 in-app purchases, starting at $3.99 per month and WhatTheHail? sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Cumo ships an update every 2 weeks, WhatTheHail? every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
Cumo versus WhatTheHail?: the parameters behind the verdict, then further details
ParameterCumoWhatTheHail?
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS26.018.5 — better
Further details — not scored
Size135 MB78 MB
Age rating4+4+
Developer展 申Benjamin Fulton

In-app purchases

2 purchases

Cumo

Subscriptions2
  • Cumo Pro - Monthly Subscription$3.991 Month
  • Cumo Pro - Annual Subscription7 Days trial$34.991 Year
2 purchases

WhatTheHail?

Subscriptions2
  • WhatTheHail+ Monthly$4.991 Month
  • WhatTheHail+ Yearly7 Days trial$29.991 Year

Questions

Is Cumo free?
Cumo is free to download, with in-app purchases available.
Is WhatTheHail? free?
WhatTheHail? is free to download, with in-app purchases available.
Do Cumo or WhatTheHail? have ads?
Neither Cumo nor WhatTheHail? shows ads.
Which is updated more often, Cumo or WhatTheHail??
Cumo ships an update every 2 weeks, and WhatTheHail? every 6 weeks. Most recently, Cumo was updated on October 25, 2026 and WhatTheHail? on October 24, 2026.

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