# Health React vs Atmotube PRO 2

The clearest difference is update cadence: Atmotube PRO 2 at every 3 weeks against Health React's every 2 months. Health React's advantage is iOS requirement (15.6 vs 17.6). 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.

Health React ships an update every 2 months, Atmotube PRO 2 every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Health React | Atmotube PRO 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/atmotube-pro-2/id6744324330/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 60 MB | 36 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Richard Cimler](https://appshunter.io/developer/1589793226) | [Atmotech Inc.](https://appshunter.io/developer/882288185) |

## What reviewers say

### Health React

[App page](https://appshunter.io/ios/app/health-react/id1643483469)

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

**In-app purchases:** none


### Atmotube PRO 2

[App page](https://appshunter.io/ios/app/atmotube-pro-2/id6744324330)

This app connects to a portable device to provide real-time insights into the air you breathe, both indoors and outdoors. Monitor pollutants like CO2 and PM2.5, track environmental factors, and receive alerts for unhealthy air quality to make informed health decisions.

**Highlights:** Real-time air quality monitoring, Track CO2, PM2.5, temperature, humidity, Location-based measurement logging, Historical data and trend analysis, Smart alerts for unhealthy air, Device sensor configuration and updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Health React free?

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

### Is Atmotube PRO 2 free?

Atmotube PRO 2 is free to download, with no in-app purchases.

### Do Health React or Atmotube PRO 2 have ads?

Neither Health React nor Atmotube PRO 2 shows ads.

### Which is updated more often, Health React or Atmotube PRO 2?

Health React ships an update every 2 months, and Atmotube PRO 2 every 3 weeks. Most recently, Health React was updated on October 30, 2026 and Atmotube PRO 2 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.*