# Kakovost Zraka vs Solar Activity

The clearest difference is rating: Kakovost Zraka at 5.0 against Solar Activity's 1.0. Kakovost Zraka also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

Kakovost Zraka holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Kakovost Zraka ships an update every 5 months, Solar Activity every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Kakovost Zraka | Solar Activity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kakovost-zraka/id1205188557/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/solar-activity/id1460144397/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 17 MB | 33 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [akroin](https://appshunter.io/developer/326113267) | [Pavel Koyushev](https://appshunter.io/developer/1257728721) |

## What reviewers say

### Kakovost Zraka

[App page](https://appshunter.io/ios/app/kakovost-zraka/id1205188557)

Monitor air quality across Slovenia with real-time data on key pollutants. View information for major cities and receive updates directly on your Apple Watch.

**Highlights:** Air quality monitoring for Slovenia, Data on S02, CO, O3, NO2, and PM10, Information for major cities, PM10 particle tinting, Apple Watch companion app, Apple Watch complication for PM10

**Features:** macOS Compatibility, Apple Watch app, 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 Kakovost Zraka free?

Kakovost Zraka 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, Kakovost Zraka or Solar Activity?

Kakovost Zraka is rated higher. Kakovost Zraka averages 5.0 out of 5 from 1 ratings, while Solar Activity averages 1.0 from 1 ratings.

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

Solar Activity shows ads; Kakovost Zraka does not.

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

Kakovost Zraka ships an update every 5 months, and Solar Activity every 3 months. Most recently, Kakovost Zraka was updated on November 2, 2026 and Solar Activity on November 3, 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.*