SiteWarn vs SkySort
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SiteWarn
Receive site-specific weather information, forecasts, and storm warnings 24/7. Get proactive alerts from meteorologists and view detailed radar maps for informed decision-making during adverse weather.
- Site-specific weather information
- 24/7 storm warnings
- Proactive meteorologist alerts
- Customized geographic coverage
- Moving asset tracking
- High-resolution radar maps
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SiteWarn by WeatherGuidance delivers fully customized, site-specific weather information, forecasts and storm warnings directly into the hands of decision makers 24/7/365. Every second counts in severe and other adverse weather situations, and SiteWarn's proprietary technology allows designated users to make informed decisions during those critical moments. SiteWarn alerts, advisories and warnings are created and issued by WeatherGuidance’s own meteorologists, who monitor your locations and other assets 24/7/365 and notify you when they will be impacted by severe or other adverse weather conditions. SiteWarn provides customized weather coverage for: -Single or multiple fixed locations, such as buildings, campuses, site locations, etc. -Pre-defined geographic areas, such as a general service area or other boundary -Segments, such as highways, power lines, pipelines and air routes -Moving assets, where the warning follows the phone or other mobile device wherever it is carried by designated users in the field (requires a GPS enabled device with permissions) With SiteWarn you can: -Receive alert notifications proactively sent to you by WeatherGuidance meteorologists -View public warnings issued by the government for larger, non-specific geographic areas -Have quick access to your organization’s standard operating procedures matching the warnings that are issued (optional) -Pan, zoom and animate the highest resolution, most up-to-date radar as well as view active advisories, warnings and customized site location markers on the same interactive map -View current conditions and the latest WeatherGuidance SiteWarn Forecast for your location(s) A cellular or WiFi data connection as well as SiteWarn service from WeatherGuidance are required in order to activate and use this application.
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.
Screenshots
Verdict
The clearest difference is iOS requirement: SiteWarn at 15.1 against SkySort's 17.6. On price, rating, ratings volume and update cadence 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 SiteWarn against 5.0 for SkySort. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on June 25, 2026 and September 27, 2026 respectively.
| Parameter | SiteWarn | SkySort |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 32 MB | 13 MB |
| Age rating | 17+ | 4+ |
| Developer | Rob White | Andrew Carlson |
Customer experience
SiteWarn
SkySort
In-app purchases
SiteWarn
No in-app purchases
SkySort
No in-app purchases









