# Solar Activity vs Solar Activity

The clearest difference is review sentiment: Solar Activity at 100% against Solar Activity's 25%. Solar Activity also leads on rating (4.7 vs 1.0) and ratings volume (59 vs 1). Solar Activity's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Solar Activity sells 2 in-app purchases, starting at $1.99 per month. Solar Activity asks for nothing beyond the download.

Solar Activity holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Solar Activity has 59 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of Solar Activity's written reviews are positive against 100% of Solar Activity's.

Solar Activity ships an update every 3 months, Solar Activity every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Solar Activity | Solar Activity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/solar-activity/id1460144397/reviews) | **[4.7 (59 ratings)](https://appshunter.io/ios/app/solar-activity-space-weather/id6738041542/reviews)** |
| Number of ratings | 1 | **59** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 33 MB | 74 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Koyushev](https://appshunter.io/developer/1257728721) | [VNIL AB](https://appshunter.io/developer/882599808) |

## What reviewers say

### Solar Activity

[App page](https://appshunter.io/ios/app/solar-activity/id1460144397)

Track solar activity with a forecast for magnetic storms up to 27 days in advance. View the latest images and videos of the sun, and monitor key metrics like the Kp index and sunspots.

**Highlights:** Magnetic storm forecast, Kp index forecast (3-27 days), Aurora borealis predictions, Sunspot tracking, Solar wind monitoring, Latest SOHO/SDO images & videos

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Activity

[App page](https://appshunter.io/ios/app/solar-activity-space-weather/id6738041542)

Track real-time solar activity, monitor sunspots, and detect coronal mass ejections. Get forecasts and view stunning solar animations to stay informed about space weather events.

**Highlights:** Solar Animations, Active Regions Tracking, CME Detection, Solar Wind Data, Space Weather Forecasts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $7.99 | per year |


## Frequently asked questions

### Is Solar Activity free?

Solar Activity is free to download, with no in-app purchases.

### Is Solar Activity free?

Solar Activity is free to download, with in-app purchases available.

### Which has better reviews, Solar Activity or Solar Activity?

Solar Activity is rated higher. Solar Activity averages 1.0 out of 5 from 1 ratings, while Solar Activity averages 4.7 from 59 ratings.

### Do Solar Activity or Solar Activity have ads?

Both Solar Activity and Solar Activity show ads.

### Which is updated more often, Solar Activity or Solar Activity?

Solar Activity ships an update every 3 months, and Solar Activity every 2 months. Most recently, Solar Activity was updated on November 3, 2026 and Solar Activity on November 4, 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.*