Comparison

Cumo vs iWeather++

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

iWeather++

Features
Read full description

iWeather combines forecasts from 30+ of the world's most trusted meteorological sources, including ECMWF, NOAA, Met Norway, UK Met Office, JMA, and your regional weather authority, then uses AI to deliver one hyper-accurate prediction. Near-Term Accuracy Most weather apps show you a 10-day forecast. iWeather focus on what matters: the next 5 hours with surgical precision. When you need to know if you'll make it home dry, iWeather delivers. Minute-by-Minute Precision See precipitation probability for every minute of the next hour. Know if you have 12 minutes or 47 minutes before the rain starts. Plan your day with confidence, not guesswork. Smarter Than Any Single Source Weather models disagree constantly. iWeather weighs each source by reputation, regional expertise, and real-time agreement, giving you a confidence-rated forecast that outperforms any single provider.

Screenshots

Cumo4 screens
iWeather++4 screens

Verdict

The call

The clearest difference is in-app purchases: iWeather++ at none against Cumo's 2. iWeather++ also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads 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. iWeather++ asks for nothing beyond the download.

UpkeepUpdate frequency

Cumo ships an update every 2 weeks, iWeather++ every 3 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level
Cumo versus iWeather++: the parameters behind the verdict, then further details
ParameterCumoiWeather++
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size135 MB33 MB
Age rating4+4+
Developer展 申Sihyeon Jang

In-app purchases

2 purchases

Cumo

Subscriptions2
  • Cumo Pro - Monthly Subscription$3.991 Month
  • Cumo Pro - Annual Subscription7 Days trial$34.991 Year
None

iWeather++

No in-app purchases

Questions

Is Cumo free?
Cumo is free to download, with in-app purchases available.
Is iWeather++ free?
iWeather++ is free to download, with no in-app purchases.
Do Cumo or iWeather++ have ads?
Neither Cumo nor iWeather++ shows ads.
Which is updated more often, Cumo or iWeather++?
Cumo ships an update every 2 weeks, and iWeather++ every 3 weeks. Most recently, Cumo was updated on October 25, 2026 and iWeather++ on October 14, 2026.

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