# Airly vs Solar System

The clearest difference is rating: Airly at 4.7 against Solar System's 3.7. Airly also leads on ratings volume (415 vs 3). Solar System's advantage is update cadence (weekly vs every 5 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Airly holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Airly has 415 ratings behind it against 3, so its average is the more settled of the two.

Airly ships an update every 5 weeks, Solar System weekly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Airly | Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (415 ratings)](https://appshunter.io/ios/app/airly/id1283400152/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/solar-system-planet-guide/id1536272859/reviews) |
| Number of ratings | **415** | 3 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 36 MB | 127 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Airly](https://appshunter.io/developer/1251569841) | [Francesc Navarro Machio](https://appshunter.io/developer/488794379) |

## What reviewers say

### Airly

[App page](https://appshunter.io/ios/app/airly/id1283400152)

Monitor real-time air quality in your location with a vast sensor network. Get reliable pollution data, forecasts, and notifications about exceeded standards. Plan your activities based on the air you breathe.

**Highlights:** Real-time air quality monitoring, Largest sensor network in Poland, WHO standard compliance, Next-day air quality forecast, Push notifications for pollution alerts, Home and work place sensor favorites, Widgets for quick access

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 😊 Great way to track air quality
- 👍 Useful for knowing pollution levels
- 👍 Works well in specific locations (Poland)
- 👍 Great UI/UX
- 👍 Easy to use and clear

**What reviewers complain about**

- 🐛 Widget shows incorrect/no sensor data
- 🐛 Location requirements are unclear/excessive
- 🐛 Map quality is poor in portrait mode
- 🐛 Lacks Spanish language support
- 🐛 No indication of data update time

**Reported bugs**

- Complications on Apple Watch not showing AQI
- Widget provides no indication or incorrect data
- App requires location sharing always, even when zip code can be used for widgets
- Cannot find location
- Broken widget

**Requested features**

- Add Apple Watch complications for AQI
- Allow widget to show nearest sensor data
- Add Spanish language support
- Indicate data update time
- Allow viewing historical data beyond 2 days


### Solar System

[App page](https://appshunter.io/ios/app/solar-system-planet-guide/id1536272859)

Explore our solar system with detailed information on each planet. Discover their distance from Earth, density, and size. Zoom in to view intricate details of celestial bodies.

**Highlights:** Detailed planetary information, Distance from Earth, Density and size data, Zoomable planet views, Solar system exploration

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

**In-app purchases:** none


## Frequently asked questions

### Is Airly free?

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

### Is Solar System free?

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

### Which has better reviews, Airly or Solar System?

Airly is rated higher. Airly averages 4.7 out of 5 from 415 ratings, while Solar System averages 3.7 from 3 ratings.

### Do Airly or Solar System have ads?

Neither Airly nor Solar System shows ads.

### Which is updated more often, Airly or Solar System?

Airly ships an update every 5 weeks, and Solar System weekly. Most recently, Airly was updated on October 20, 2026 and Solar System 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.*