# Solar Activity Pro vs Astro Seeing

The clearest difference is in-app purchases: Astro Seeing at none against Solar Activity Pro's 3. Astro Seeing also leads on iOS requirement (15.1 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Solar Activity Pro sells 3 in-app purchases, starting at $2.99 per month. Astro Seeing asks for nothing beyond the download.

Solar Activity Pro ships an update every 2 weeks, Astro Seeing every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Solar Activity Pro | Astro Seeing |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 52 MB | 39 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Koyushev](https://appshunter.io/developer/1257728721) | [JOSHUA LEE WILKINSON](https://appshunter.io/developer/6792116975) |

## 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 |


### Astro Seeing

[App page](https://appshunter.io/ios/app/astro-seeing/id6792116823)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Activity Pro free?

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

### Is Astro Seeing free?

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

### Do Solar Activity Pro or Astro Seeing have ads?

Neither Solar Activity Pro nor Astro Seeing shows ads.

### Which is updated more often, Solar Activity Pro or Astro Seeing?

Solar Activity Pro ships an update every 2 weeks, and Astro Seeing every 3 weeks. Most recently, Solar Activity Pro was updated on October 24, 2026 and Astro Seeing on October 24, 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.*