# HeatSafe vs Air Quality ◎

The clearest difference is in-app purchases: Air Quality ◎ at none against HeatSafe's 7. HeatSafe's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HeatSafe sells 7 in-app purchases, starting at $4.99 per month. Air Quality ◎ asks for nothing beyond the download.

HeatSafe ships an update every 9 days, Air Quality ◎ every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | HeatSafe | Air Quality ◎ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 75 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [MATTHEW ALEXANDER,NASH MCMURTREY](https://appshunter.io/developer/1884998540) | [Devolim](https://appshunter.io/developer/1823631894) |

## What reviewers say

### HeatSafe

[App page](https://appshunter.io/ios/app/heatsafe/id6794441377)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeatSafe Single Premium | $4.99 | per month |
| HeatSafe Company Sub - 5 Users | $9.99 | per month |
| HeatSafe - Coach Portal | $9.99 | per month |
| Company HeatSafe - 10 Users | $17.99 | per month |
| HeatSafe Company 20 Users | $29.99 | per month |
| HeatSafe Company 50 Users | $59.99 | per month |
| HeatSafe Company 100 Users | $99.99 | per month |


### Air Quality ◎

[App page](https://appshunter.io/ios/app/air-quality/id6795859508)

Get real-time air quality information for your city, including the main pollutant and its cause. Receive alerts for air quality changes and customize notifications based on your sensitivity profile. A widget provides at-a-glance updates without opening the app.

**Highlights:** Real-time AQI and pollutant concentration, Supports multiple international AQI scales, Weather factors explained, Global pollution map and city ranking, Customizable alerts, Personalized sensitivity profiles, Home screen widget

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

**In-app purchases:** none


## Frequently asked questions

### Is HeatSafe free?

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

### Is Air Quality ◎ free?

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

### Do HeatSafe or Air Quality ◎ have ads?

Air Quality ◎ shows ads; HeatSafe does not.

### Which is updated more often, HeatSafe or Air Quality ◎?

HeatSafe ships an update every 9 days, and Air Quality ◎ every 2 months. Most recently, HeatSafe was updated on October 31, 2026 and Air Quality ◎ on October 31, 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.*