# Solar Activity Pro vs Solar Flare Alert

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.

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.

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.

## The numbers

| Metric | Solar Activity Pro | Solar Flare Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/solar-activity-pro/id1545198636/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Subscription | Subscription |
| Best chart rank | — | **#198** |
| Size | 52 MB | 13 MB |
| Requires iOS | **17** | 17.6 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Koyushev](https://appshunter.io/developer/1257728721) | [Daniel Miara](https://appshunter.io/developer/1871192988) |

## What reviewers say

### Solar Activity Pro

[App page](https://appshunter.io/ios/app/solar-activity-pro/id1545198636)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| 3 Months subscription | $6.99 | per 3 months |
| Yearly subscription | $17.99 | per year |


### Solar Flare Alert

[App page](https://appshunter.io/ios/app/solar-flare-alert-forecasts/id6758160984)

**Currently charting:** #198 Top Grossing · Weather (US App Store)

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:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar Flare Alert: Forecasts | $3.99 | per month |
| Auto-renewable annual subscription | $29.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*