# Solar Activity vs peakit

The clearest difference is in-app purchases: Solar Activity at none against peakit's 2. Solar Activity also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). peakit's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. peakit sells 2 in-app purchases, starting at $3.99 per month. Solar Activity asks for nothing beyond the download.

Solar Activity ships an update every 3 months, peakit every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Solar Activity | peakit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/solar-activity/id1460144397/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 13 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Koyushev](https://appshunter.io/developer/1257728721) | [NoPressure](https://appshunter.io/developer/495503350) |

## 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


### peakit

[App page](https://appshunter.io/ios/app/peakit-mountains-and-forecast/id6792371051)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $34.99 | per year |


## Frequently asked questions

### Is Solar Activity free?

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

### Is peakit free?

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

### Do Solar Activity or peakit have ads?

Solar Activity shows ads; peakit does not.

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

Solar Activity ships an update every 3 months, and peakit every 2 months. Most recently, Solar Activity was updated on November 3, 2026 and peakit on October 31, 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.*