# VN Air vs VRTech Connect

The clearest difference is update cadence: VN Air at weekly against VRTech Connect's every 8 months. VRTech Connect's advantage is iOS requirement (13.0 vs 15.1). 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, VRTech Connect every 8 months. Both last shipped on October 12, 2026.

## The numbers

| Metric | VN Air | VRTech Connect |
| --- | --- | --- |
| 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 8 months |
| Monetization | Free | — |
| Size | 14 MB | 8 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NORTHEN CENTRE FOR ENVIRONMENTAL MONITORING -VIETNAM ENVIRONMENT ADMINISTRATION](https://appshunter.io/developer/1441284326) | [Tran Tri](https://appshunter.io/developer/1345498650) |

## 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


### VRTech Connect

[App page](https://appshunter.io/ios/app/vrtech-connect/id6746350471)

**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 VRTech Connect free?

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

### Do VN Air or VRTech Connect have ads?

Neither VN Air nor VRTech Connect shows ads.

### Which is updated more often, VN Air or VRTech Connect?

VN Air ships an update weekly, and VRTech Connect every 8 months. Most recently, VN Air was updated on October 12, 2026 and VRTech Connect on October 12, 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.*