# VN Air vs EasyCA

The clearest difference is update cadence: VN Air at weekly against EasyCA's every 5 weeks. 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.

VN Air ships an update weekly, EasyCA every 5 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | VN Air | EasyCA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vn-air/id1470224949/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 14 MB | 117 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NORTHEN CENTRE FOR ENVIRONMENTAL MONITORING -VIETNAM ENVIRONMENT ADMINISTRATION](https://appshunter.io/developer/1441284326) | [SOFTDREAMS TECHNOLOGY INVESTMENT AND TRADING JOINT STOCK COMPANY](https://appshunter.io/developer/1229554344) |

## What reviewers say

### VN Air

[App page](https://appshunter.io/ios/app/vn-air/id1470224949)

This app provides real-time air quality index (AQI) information from monitoring stations nationwide. It displays hourly and daily AQI, historical trends, and health recommendations based on air quality levels. Users can also select favorite monitoring stations and view air quality rankings.

**Highlights:** Real-time AQI data, Hourly and daily AQI display, Historical AQI charts, Health recommendations, Favorite station selection, Air quality rankings

**In-app purchases:** none


### EasyCA

[App page](https://appshunter.io/ios/app/easyca/id6502670861)

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

**In-app purchases:** none


## Frequently asked questions

### Is VN Air free?

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

### Is EasyCA free?

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

### Do VN Air or EasyCA have ads?

Neither VN Air nor EasyCA shows ads.

### Which is updated more often, VN Air or EasyCA?

VN Air ships an update weekly, and EasyCA every 5 weeks. Most recently, VN Air was updated on October 12, 2026 and EasyCA on October 11, 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.*