SkySort vs CloudySky2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkySort
Instantly identify cloud types using AI-powered image recognition. Snap a photo of the sky to discover detailed information about various cloud formations and their associated weather conditions. Save your observations and track your cloud spotting progress.
- AI cloud type recognition
- Photo import and capture
- Detailed cloud information
- Weather data integration
- Observation saving and tracking
- Offline capability
- Cloud encyclopedia
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Point your camera at the sky and know what you’re looking at. SkySort uses on‑device AI to identify clouds in seconds — no internet required — then logs each sighting with the weather and location in your own private sky journal. Whether you’re a weather watcher, hiker, photographer, student, or simply sky‑curious, SkySort helps you notice more and learn as you go. IDENTIFY IN SECONDS • Snap a photo or import one from your library — SkySort recognizes 12 sky conditions: Cumulus, Cumulonimbus, Stratus, Stratocumulus, Nimbostratus, Altocumulus, Altostratus, Cirrus, Cirrocumulus, Cirrostratus, contrails, and clear sky. • Every result includes a confidence score and an at‑a‑glance quality rating, so you always know how sure the model is. • Identification runs entirely on your device — fast, offline, and private. LEARN THE SKY • A built‑in encyclopedia covers all 12 cloud types: how they form, the weather they signal, and how to tell look‑alikes apart. • Explore 25 weather terms and 6 special phenomena — halos, sun dogs, iridescence, virga, crepuscular rays, and lenticular clouds — with example photos. • Not sure what you’re seeing? The ID Helper walks you through a few simple questions to narrow it down. BUILD YOUR SKY JOURNAL • Every observation is saved with its photo, type, confidence, date, and place. • SkySort automatically records the weather the moment you save — temperature, wind, humidity, pressure, visibility, UV, and cloud cover. • Search, filter, and sort your history, and see all your sightings on a map. • Track your trends: most‑common clouds, average confidence, and recent activity. SYNC, SHARE & EXPORT • Your journal syncs across iPhone and iPad through your private iCloud. • Share a cloud with a ready‑made caption — your location is never included. • Export everything to CSV or a polished PDF report, in Metric or Imperial units. PRIVATE BY DESIGN • Photos are analyzed on your device and are never uploaded to a server for identification. • Your observations live in your own iCloud, not on our servers. • Shared images and captions never include your GPS coordinates. Download SkySort and start reading the sky. — Weather data provided by Weather. Cloud identifications are AI predictions and may not always be exact.
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 enjoyment of the sky.
- Cloud identification guide
- Detailed cloud characteristics
- Photo index of cloud types
- Weather map symbol chart
- Cloud formation explanations
- In-app photo logging
- Share photos via iMessage/email
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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
Verdict
The clearest difference is update cadence: CloudySky2 at every 3 days against SkySort's monthly. SkySort's advantage is iOS requirement (17.6 vs 26.2). On price, rating, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SkySort against 5.0 for CloudySky2. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
SkySort ships an update monthly, CloudySky2 every 3 days. Both last shipped on October 13, 2026.
| Parameter | SkySort | CloudySky2 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 13 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Carlson | Wonder Valley Software |
Customer experience
SkySort
CloudySky2
In-app purchases
SkySort
No in-app purchases
CloudySky2
No in-app purchases









