# SJVAir vs IVAN Air

The clearest difference is update cadence: IVAN Air at daily against SJVAir's monthly. SJVAir's advantage is iOS requirement (15.0 vs 17.0). 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.

SJVAir ships an update monthly, IVAN Air daily. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SJVAir | IVAN Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sjvair/id6448961840/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 6 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Central California Asthma Collaborative](https://appshunter.io/developer/1687175572) | [Eduardo Murillo Zamora](https://appshunter.io/developer/1347421716) |

## What reviewers say

### SJVAir

[App page](https://appshunter.io/ios/app/sjvair/id6448961840)

Track your local air quality in real-time with hourly PM2.5 concentration data. Receive outdoor activity guidelines and get live notifications when air quality becomes hazardous. Explore a monitor map and view historical data.

**Highlights:** Real-time air quality monitoring, Hourly PM2.5 concentration data, Outdoor activity guidelines, Hazardous air notifications, Monitor map with historical data, Data download for analysis

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

**In-app purchases:** none


### IVAN Air

[App page](https://appshunter.io/ios/app/ivan-air/id6776521931)

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

**In-app purchases:** none


## Frequently asked questions

### Is SJVAir free?

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

### Is IVAN Air free?

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

### Do SJVAir or IVAN Air have ads?

Neither SJVAir nor IVAN Air shows ads.

### Which is updated more often, SJVAir or IVAN Air?

SJVAir ships an update monthly, and IVAN Air daily. Most recently, SJVAir was updated on October 27, 2026 and IVAN Air on October 28, 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.*