# Solario vs Solar Activity

The clearest difference is review sentiment: Solario at 78% against Solar Activity's 25%. Solario also leads on rating (3.8 vs 1.0) and ads (none vs shown). Solar Activity's advantage is update cadence (every 3 months vs every 12 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Solario holds the better App Store score, 3.8 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 78% of Solario's written reviews are positive against 25% of Solar Activity's.

Solario ships an update every 12 months, Solar Activity every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Solario | Solar Activity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/solario-geomagnetic-storms/id1266835252/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/solar-activity/id1460144397/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **77.8% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 33 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hermann Wagenleitner](https://appshunter.io/developer/543089550) | [Pavel Koyushev](https://appshunter.io/developer/1257728721) |

## What reviewers say

### Solario

[App page](https://appshunter.io/ios/app/solario-geomagnetic-storms/id1266835252)

This app displays the current and forecasted geomagnetic field conditions using the Kp-index. It helps users understand disturbances and their potential impact on power grids, spacecraft, radio signals, and aurora visibility.

**Highlights:** Kp-index display, Geomagnetic field forecast, Real-time geomagnetic state, Aurora visibility information, Impact on electrical grids, Spacecraft operations data

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Solario free?

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

### Is Solar Activity free?

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

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

Solario is rated higher. Solario averages 3.8 out of 5 from 4 ratings, while Solar Activity averages 1.0 from 1 ratings.

### Do Solario or Solar Activity have ads?

Solar Activity shows ads; Solario does not.

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

Solario ships an update every 12 months, and Solar Activity every 3 months. Most recently, Solario was updated on November 1, 2026 and Solar Activity on October 25, 2026.

---

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