# Air Matters vs 走遍美国全集有声高清HD

Air Matters and 走遍美国全集有声高清HD both sit at 4.6 stars, but that hides the real split: 68% of 走遍美国全集有声高清HD's written reviews are positive against 50% of Air Matters's. 走遍美国全集有声高清HD also leads on iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Air Matters sells 2 in-app purchases, starting at $4.99 per year and 走遍美国全集有声高清HD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

走遍美国全集有声高清HD holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 2.5K and 989 respectively. Written reviews point the same way: 50% of Air Matters's written reviews are positive against 68% of 走遍美国全集有声高清HD's.

Air Matters ships an update monthly, 走遍美国全集有声高清HD every 5 weeks. Both last shipped on October 26, 2026.

## The numbers

| Metric | Air Matters | 走遍美国全集有声高清HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.5K ratings)](https://appshunter.io/ios/app/air-matters/id477700080/reviews) | **[4.8 (989 ratings)](https://appshunter.io/ios/app/hd/id598167911/reviews)** |
| Number of ratings | **2.5K** | 989 |
| Positive reviews | 50.0% of reviews | **67.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 153 MB | 325 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Air Matters Network Pty Ltd](https://appshunter.io/developer/477700083) | [怡怡 沈](https://appshunter.io/developer/582667064) |

## What reviewers say

### Air Matters

[App page](https://appshunter.io/ios/app/air-matters/id477700080)

Access real-time global air quality data for over 180 countries, including pollen forecasts for the US and Europe. Receive pollution and pollen alerts, and customize air quality standards. Integrates with smart air monitors and purifiers for indoor air quality insights and control.

**Highlights:** Real-time global air quality data, Pollen data & forecast (US/Europe), Customizable air quality standards, Pollution & pollen alerts, Desktop icon air quality index, Apple Watch complications, Smart air monitor/purifier integration

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Matters Premium | $4.99 | per year |
| Remove ADs | $0.99 | one-time |

**What reviewers like**

- 🚀 Convenient for checking air quality
- 📊 Detailed air quality data
- 🌍 Worldwide coverage
- 🔌 Integration with air purifiers
- ⌚️ Apple Watch support

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔍 Inaccurate or misleading data
- 🔌 Connectivity problems with air purifiers
- 🔋 High battery consumption
- 🗺️ Limited location coverage

**Reported bugs**

- Crashes on startup
- Saved locations not persisting
- Incorrect air quality index readings
- Sync issues with air purifiers
- Unreliable widget updates

**Requested features**

- Dark mode option
- Historical air quality data
- Customizable data sources
- Improved Apple Watch complications
- Pollen count tracking


### 走遍美国全集有声高清HD

[App page](https://appshunter.io/ios/app/hd/id598167911)

This app offers a comprehensive English learning experience using a popular lifestyle-based American English textbook. It features synchronized Chinese and English subtitles, a powerful player with adjustable speed, sentence collection, and an extensive dictionary with various learning modes.

**Highlights:** Synchronized Chinese and English subtitles, Adjustable playback speed, Single sentence collection, Integrated dictionary with word association, Speaking practice with pronunciation comparison, Multiple playback modes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 走遍美国全集去除广告 | $0.99 | one-time |

**What reviewers like**

- 👍 Good app
- 👍 Very good
- 👍 Standard pronunciation, easy to understand
- 👍 Useful app
- 👍 Wonderful recording feature

**What reviewers complain about**

- 🐛 Too many ads, can't be closed
- 🐛 Can't open, can't delete, can't do anything with it

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option


## Frequently asked questions

### Is Air Matters free?

Air Matters is free to download, with in-app purchases available.

### Is 走遍美国全集有声高清HD free?

走遍美国全集有声高清HD is free to download, with in-app purchases available.

### Which has better reviews, Air Matters or 走遍美国全集有声高清HD?

走遍美国全集有声高清HD is rated higher. Air Matters averages 4.6 out of 5 from 2.5K ratings, while 走遍美国全集有声高清HD averages 4.8 from 989 ratings.

### Do Air Matters or 走遍美国全集有声高清HD have ads?

Both Air Matters and 走遍美国全集有声高清HD show ads.

### Which is updated more often, Air Matters or 走遍美国全集有声高清HD?

Air Matters ships an update monthly, and 走遍美国全集有声高清HD every 5 weeks. Most recently, Air Matters was updated on October 26, 2026 and 走遍美国全集有声高清HD on October 26, 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.*