# Sidarma Mobile vs Air Quality

The clearest difference is in-app purchases: Sidarma Mobile at none against Air Quality's 3. Sidarma Mobile also leads on update cadence (weekly vs fortnightly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Air Quality sells 3 in-app purchases, starting at $3.99 per 7 days. Sidarma Mobile asks for nothing beyond the download.

Sidarma Mobile ships an update weekly, Air Quality fortnightly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sidarma Mobile | Air Quality |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/air-quality-aqi-tracker/id6771326141/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Freemium |
| Size | 60 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abdullah Ali](https://appshunter.io/developer/1781259449) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Sidarma Mobile

[App page](https://appshunter.io/ios/app/sidarma-mobile/id6738582275)

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

**In-app purchases:** none


### Air Quality

[App page](https://appshunter.io/ios/app/air-quality-aqi-tracker/id6771326141)

Monitor real-time air quality with a color-coded gauge and detailed pollutant analysis. Plan outdoor activities with a 7-day forecast and receive automatic location-based alerts. Enjoy a private, ad-free experience with offline support.

**Highlights:** Real-time AQI gauge, Pollutant analysis (PM2.5, PM10, NO₂, O₃, CO), 7-day forecast, Automatic location detection, Offline support, Ad-free and private

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PM2.5 Monitor · Weekly | $3.99 | per 7 days |
| Ozone Watch · Yearly | $19.99 | per year |
| Pollen & Allergy · Pay Once | $39.99 | one-time |


## Frequently asked questions

### Is Sidarma Mobile free?

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

### Is Air Quality free?

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

### Do Sidarma Mobile or Air Quality have ads?

Neither Sidarma Mobile nor Air Quality shows ads.

### Which is updated more often, Sidarma Mobile or Air Quality?

Sidarma Mobile ships an update weekly, and Air Quality fortnightly. Most recently, Sidarma Mobile was updated on October 30, 2026 and Air Quality on November 5, 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.*