# AirQuality.ONE vs Bloop Pressure Recorder

The clearest difference is ads: AirQuality.ONE at none against Bloop Pressure Recorder's shown. AirQuality.ONE also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | AirQuality.ONE | Bloop Pressure Recorder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 20 MB | 4 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [API Services](https://appshunter.io/developer/989175431) | [Kuan Yu Huang](https://appshunter.io/developer/1625548766) |

## What reviewers say

### AirQuality.ONE

[App page](https://appshunter.io/ios/app/airqualityone/id1559199235)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bloop Pressure Recorder

[App page](https://appshunter.io/ios/app/bloop-pressure-recorder/id1668557213)

**In-app purchases:** none


## Frequently asked questions

### Is AirQuality.ONE free?

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

### Is Bloop Pressure Recorder free?

Bloop Pressure Recorder is free to download, with no in-app purchases.

### Do AirQuality.ONE or Bloop Pressure Recorder have ads?

Bloop Pressure Recorder shows ads; AirQuality.ONE does not.

### Which is updated more often, AirQuality.ONE or Bloop Pressure Recorder?

AirQuality.ONE ships an update every 2 weeks, and Bloop Pressure Recorder every 2 weeks. Most recently, AirQuality.ONE was updated on October 7, 2026 and Bloop Pressure Recorder on October 16, 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.*