# 停课铃 vs Airly

The clearest difference is rating: Airly at 4.7 against 停课铃's 3.0. Airly also leads on ratings volume (415 vs 1) and review sentiment (60% vs 42%). 停课铃's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support 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 3.0. That said, the two scores are not equally well evidenced: Airly has 415 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of 停课铃's written reviews are positive against 60% of Airly's.

停课铃 ships an update every 4 months, Airly every 5 weeks. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 停课铃 | Airly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/id984137341/reviews) | **[4.7 (415 ratings)](https://appshunter.io/ios/app/airly/id1283400152/reviews)** |
| Number of ratings | 1 | **415** |
| Positive reviews | 41.7% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 44 MB | 36 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Meteorological Service Center](https://appshunter.io/developer/984137340) | [Airly](https://appshunter.io/developer/1251569841) |

## What reviewers say

### 停课铃

[App page](https://appshunter.io/ios/app/id984137341)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 停课铃 free?

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

### Is Airly free?

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

### Which has better reviews, 停课铃 or Airly?

Airly is rated higher. 停课铃 averages 3.0 out of 5 from 1 ratings, while Airly averages 4.7 from 415 ratings.

### Do 停课铃 or Airly have ads?

Neither 停课铃 nor Airly shows ads.

### Which is updated more often, 停课铃 or Airly?

停课铃 ships an update every 4 months, and Airly every 5 weeks. Most recently, 停课铃 was updated on October 26, 2026 and Airly on October 20, 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.*