Comparison

WaveWatch vs CloudySky2

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

Head to head
About

WaveWatch

Get precise marine and weather data for water sports. Track wave height, swell, wind, and sea surface temperature. Access 10-day hourly forecasts with interactive maps and GPS integration for safe and enjoyable time on the water.

Highlights
  • Wave height and direction tracking
  • Detailed swell analysis
  • 10-day hourly weather forecasts
  • Interactive time-based weather maps
  • GPS integration for location detection
  • Offline data storage
Features
Read full description

WaveWatch is the ultimate marine weather companion for sailors, surfers, boaters, and water sports enthusiasts. Get detailed marine and weather data with precision accuracy for safe and enjoyable time on the water. MARINE WEATHER DATA • Wave Height & Direction - Track wave heights, periods, and directions • Swell Analysis - Detailed swell height, period, and direction data • Wind Waves - Separate wind wave and swell components • Sea Surface Temperature - Current water temperatures • Ocean Currents - Velocity and direction of ocean currents WEATHER FORECASTS • 10-Day Hourly Forecasts - Detailed weather predictions • Wind Speed & Direction - Color-coded wind visualization • Temperature & Precipitation - Air temp, feels-like, rain probability • Visibility & Pressure - Essential navigation data • UV Index & Sunrise/Sunset - Sun protection and daylight planning INTERACTIVE FEATURES • Time-Based Weather Maps - Scroll through forecast timelines • Location Search - Find any coastal area worldwide • GPS Integration - Automatic location detection • Nearby Places - Discover harbors, beaches, and launch points • Favorites System - Save your most-used locations PROFESSIONAL MARINE TOOLS • Multiple Unit Systems - Nautical (knots), Metric, Imperial • Wind Scale Visualization - Color-coded Beaufort scale • Marine-Specific Forecasts - Purpose-built for water activities • High Precision Data - Professional-grade accuracy PRIVACY & RELIABILITY • Zero Data Collection - Your information stays on your device • Offline Capabilities - Local storage for critical data • Fast Performance - Optimized for mobile use • Reliable Sources Perfect for sailing trips, surfing sessions, fishing trips, yacht cruising, and any water-based activity. Whether you're a professional sailor or weekend boater, WaveWatch provides the marine intelligence you need to make informed decisions on the water.

About

CloudySky2

Identify and learn about different cloud types with this pocket field guide. Explore detailed information, photos, and weather map symbols to enhance your understanding and appreciation of the sky above.

Highlights
  • Cloud identification guide
  • Detailed cloud information
  • Photo index of cloud types
  • Weather map symbols chart
  • Cloud formation explanations
  • Cloud Log for photos and notes
Features
Read full description

More than just a picture gallery of clouds, CloudySky2 is an easy to use and complete pocket field guide for your iPhone and iPad that will help you to enjoy and better understand clouds by quickly identifying their names and characteristics. Just look up in the sky and get your head in the clouds. Take your time. This is not learning as a test, but learning for your enjoyment. When you are out for a walk the clouds are there for you to enjoy, and with CloudySky in your hands you will appreciate them even more. Look at the clouds around you and then take CloudySky2 out of your pocket, purse or bag and easily learn the names and characteristics of the clouds at your own pace. You will be surprised and pleased how over time your appreciation of clouds will grow and your enjoyment of them, with the knowledge you get with CloudySky2, will increase. CloudySky2 includes: A beautiful cloud chart/photo collage that gives you an overview of the ten main types of clouds A photo index of all the major cloud types grouped by the major elevation categories (étages) A relative elevation scale on the cloud chart that can be toggled between miles, kilometers or off A detailed view of each cloud type that gives you quick access to everything you would like to know about that cloud A photo index of all the species, varieties, supplemental features and accessory clouds for each cloud type A chart with all of the symbols used in weather maps for every cloud 90+ stunning photos to help you identify the cloud you are looking at All image are fully licensed and attributed from the Wikimedia Commons source Useful, authoritative and detailed explanations of how clouds form, what their distinguishing features are, how they are categorized and a history of how the clouds came to be named as they are Take photos from within the app, save them to the Cloud Log and share them with others via email and iMessage Add your own photos to the Cloud Log from your Photos library and classify them with their genus and subtype Annotate the photos you take with your own Observation Notes So, get CloudySky and get your head in the clouds!

Screenshots

WaveWatch4 screens
CloudySky24 screens

Verdict

The call

The clearest difference is update cadence: CloudySky2 at every 3 days against WaveWatch's every 11 days. WaveWatch's advantage is iOS requirement (15.1 vs 26.2). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WaveWatch ships an update every 11 days, CloudySky2 every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
WaveWatch versus CloudySky2: the parameters behind the verdict, then further details
ParameterWaveWatchCloudySky2
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 11 daysEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better26.2
Further details — not scored
Size31 MB83 MB
Age rating4+4+
DeveloperAdrian HumaWonder Valley Software

Customer experience

WaveWatch

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CloudySky2

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

WaveWatch

No in-app purchases

None

CloudySky2

No in-app purchases

Questions

Is WaveWatch free?
WaveWatch is free to download, with no in-app purchases.
Is CloudySky2 free?
CloudySky2 is free to download, with no in-app purchases.
Do WaveWatch or CloudySky2 have ads?
Neither WaveWatch nor CloudySky2 shows ads.
Which is updated more often, WaveWatch or CloudySky2?
WaveWatch ships an update every 11 days, and CloudySky2 every 3 days. Most recently, WaveWatch was updated on October 28, 2026 and CloudySky2 on October 31, 2026.

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