Comparison

Solar Activity Pro vs Solar Flare Alert

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

Head to head
About

Solar Activity Pro

Monitor solar activity and its potential effects on well-being and technology. Get aurora forecasts, real-time data, and customizable widgets. Stay informed about space weather events with detailed indicators and notifications.

Highlights
  • Widgets for solar activity
  • Push notifications
  • Aurora forecast and cameras
  • KP and AP index tracking
  • Solar wind and electron/proton flux data
  • Sunspot and electron content maps
Read full description

Solar Activity Pro — your space weather companion Geomagnetic and solar activity can affect how you feel — from headaches and fatigue to general malaise — and can also influence technical systems such as GPS, satellites, and radio communications. Solar Activity Pro helps you stay informed about what is happening on the Sun and around Earth, whether you are an aurora hunter, a space weather enthusiast, or simply curious about solar storms. NEW: Aurora Map Explore Northern Lights probability on an interactive world map powered by NOAA OVATION data. Tap anywhere to see aurora probability, coordinates, and place name. Customize the map with multiple styles, cloud overlay, aurora intensity, and your current location. Stay informed - Push notifications for NOAA space weather alerts - Alerts screen with solar activity warnings and impacts timeline - Live dashboard with key gauges (solar wind speed, density, Bz, Bt, Kp, Dst, magnetometer, electron flux) - Boulder Kp index with trend direction Forecasts - Kp and Ap index forecasts - Predicted solar wind - 24-hour and weekly outlooks - Solar activity reports - Sunspot number and F10.7 radio flux forecasts Observations (last 24 hours) - Solar wind speed, density, and temperature - Magnetometer data - Electron and proton flux Aurora - Interactive Aurora Map (NOAA OVATION) - Northern and Southern Lights models - Tonight and tomorrow aurora outlook - Live aurora cameras - aurora forecast for major cities around the world - you can select your city on the map to get an aurora forecast - aurora forecast powered by artificial intelligence Models & maps - Solar wind velocity, density, and pressure animations - Global and regional ionospheric perturbation maps - Total Electron Content (TEC) — global and North America - CTIPe, WAM-IPE, and GloTEC models Media - Aurora cameras from observation stations - Latest solar images (including DSCOVR) - Space weather videos Knowledge base - Phenomena — 16 illustrated topics: aurora, coronal holes, CMEs, geomagnetic storms, solar wind, flares, sunspots, ionosphere, radiation belts, cosmic rays, and more - Impacts — how space weather affects GPS, HF radio, satellites, power grids, and satellite drag Widgets Add live data to your Home Screen: - Planetary Kp index - Space weather conditions - DSCOVR solar view - Latest X-ray flare event - Observations - Aurora cameras - Solar images Access to the application is carried out through a subscription system. You can choose a subscription for one month or one year. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase App used standard EULA agreement - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ App privacy policy - https://drive.google.com/file/d/1ksHp-nv_gkoOiqq6i8wENw9LJw-ey8NH/view?usp=sharing

About

Solar Flare Alert

Monitor real-time space weather, solar flares, and geomagnetic storms. Get forecasts and alerts based on trusted NOAA and NASA data. Includes widgets and Apple Watch support for quick checks.

Highlights
  • Live space weather dashboard
  • Solar flare and geomagnetic storm alerts
  • Kp index and solar wind data
  • Coronagraph imagery (CME Watch)
  • Home Screen and Lock Screen widgets
  • Apple Watch app with Live Activity
Features
Currently charting
Read full description

See what the Sun is doing now and understand what may happen next. Solar Flare Alert brings live space weather, solar flare alerts, forecasts and key solar conditions into one clear dashboard. Follow solar flares, geomagnetic storms, Kp, solar wind and IMF data using trusted NOAA and NASA sources. ≋≋ SOLAR FLARE & STORM ALERTS ≋≋ Stay informed when solar activity increases. • M-class and X-class solar flare alerts • Geomagnetic storm alerts • Official NOAA space weather notices • Clear alert history and current conditions • Space weather forecasts and recent trends ≋≋ LIVE SPACE WEATHER ≋≋ Monitor the signals used to understand changing solar and geomagnetic conditions. • X-ray flux and flare intensity • Kp geomagnetic activity • Solar wind speed and conditions • IMF and Bz data • 24-hour charts and recent events • Space weather forecasts ≋≋ CME WATCH ≋≋ Explore the latest NOAA SWPC CCOR-2 coronagraph imagery. • Latest coronagraph images • White Light and Running Difference views • Image capture and update times • Pinch to zoom and explore • Official 24-hour coronagraph animation Coronagraph images can show expanding material around the Sun associated with coronal mass ejections. Not every CME is directed toward Earth. ≋≋ WIDGETS & APPLE WATCH ≋≋ Check important solar conditions without opening the app. • Small, medium and large Home Screen widgets • Lock Screen widgets • Apple Watch app • Quick access to solar flare, Kp and solar wind information • Live Activity updates ≋≋ BUILT FOR QUICK CHECKING ≋≋ Solar Flare Alert is useful for anyone interested in space weather as well as people who rely on technologies that can be affected by increased solar activity. This includes: • GPS and GNSS users • Drone pilots • Amateur and professional radio users • Satellite and field equipment users • Aurora and space weather enthusiasts ≋≋ TRUSTED DATA ≋≋ Solar Flare Alert uses data from sources including NOAA SWPC and NASA. CME Watch imagery is provided by NOAA SWPC CCOR-2. ≋≋ PRIVACY ≋≋ Solar Flare Alert does not collect your personal data. ≋≋ SUBSCRIPTION ≋≋ An active annual subscription is required to access the app. Eligible new users can start with a 7-day free trial. • Payment is charged to your Apple ID account at confirmation of purchase • Subscription renews automatically unless canceled at least 24 hours before the end of the current period • Manage or cancel your subscription in Account Settings • Pricing may vary by country or region and is shown before purchase Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Solar Activity Pro4 screens
Solar Flare Alert4 screens

Verdict

The call

The clearest difference is review sentiment: Solar Flare Alert at 100% against Solar Activity Pro's 50%. Solar Flare Alert also leads on chart position (#198 vs unranked). On price, update cadence, 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. Solar Activity Pro sells 3 in-app purchases, starting at $2.99 per month and Solar Flare Alert sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Solar Activity Pro ships an update every 2 weeks, Solar Flare Alert every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 9 level
Solar Activity Pro versus Solar Flare Alert: the parameters behind the verdict, then further details
ParameterSolar Activity ProSolar Flare Alert
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings5 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
Best chart rank—#198 — better
DevicesiPhone, iPad, MaciPhone, iPad, Apple Watch
Requires iOS17 — better17.6
Further details — not scored
Size52 MB13 MB
Age rating4+4+
DeveloperPavel KoyushevDaniel Miara

Customer experience

Solar Activity Pro

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Solar Flare Alert

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Solar Activity Pro

Subscriptions3
  • Monthly subscription$2.991 Month
  • 3 Months subscription$6.993 Months
  • Yearly subscription$17.991 Year
2 purchases

Solar Flare Alert

Subscriptions2
  • Solar Flare Alert: Forecasts$3.991 Month
  • Auto-renewable annual subscription7 Days trial$29.991 Year

Questions

Is Solar Activity Pro free?
Solar Activity Pro is free to download, with in-app purchases available.
Is Solar Flare Alert free?
Solar Flare Alert is free to download, with in-app purchases available.
Do Solar Activity Pro or Solar Flare Alert have ads?
Neither Solar Activity Pro nor Solar Flare Alert shows ads.
Which is updated more often, Solar Activity Pro or Solar Flare Alert?
Solar Activity Pro ships an update every 2 weeks, and Solar Flare Alert every 3 weeks. Most recently, Solar Activity Pro was updated on November 3, 2026 and Solar Flare Alert on November 5, 2026.

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