Kakovost Zraka vs Solar Activity
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kakovost Zraka
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.
- 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
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The app helps you stay up to date on the quality of air in Slovenia. The data is fetched from http://www.arso.gov.si. There are information about S02, CO, O3, NO2 and PM10 particles listed for most of the larges cities. PM10 is the main attribute that gives cells a slight tint. There is also an Apple Watch companion app that lists PM10 data. It includes a complication that shows PM10 particles data for a preselected city.
Solar Activity
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.
- Magnetic storm forecast
- Kp index forecast (3-27 days)
- Aurora borealis predictions
- Sunspot tracking
- Solar wind monitoring
- Latest SOHO/SDO images & videos
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Monitor solar activity. Get a solar storm forecast for the next 3-27 days and view the latest images and videos from SOHO/SDO. Also includes: - magnetic storm forecast - Kp index forecast for 3/27 days - aurora borealis - sunspots - solar wind
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Kakovost Zraka | Solar Activity |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 33 MB |
| Age rating | +4 | 4+ |
| Developer | akroin | Pavel Koyushev |
Customer experience
Kakovost Zraka
Solar Activity
In-app purchases
Kakovost Zraka
No in-app purchases
Solar Activity
No in-app purchases
Questions
Is Kakovost Zraka free?
Is Solar Activity free?
Which has better reviews, Kakovost Zraka or Solar Activity?
Do Kakovost Zraka or Solar Activity have ads?
Which is updated more often, Kakovost Zraka or Solar Activity?
Other comparisons
