# AirQualityMeter vs トウケツライフ / 水抜きのし忘れ防止

The clearest difference is ads: トウケツライフ / 水抜きのし忘れ防止 at none against AirQualityMeter's shown. トウケツライフ / 水抜きのし忘れ防止 also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (13.0 vs 16.6). On price, 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.

AirQualityMeter ships an update every 6 months, トウケツライフ / 水抜きのし忘れ防止 every 2 weeks. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AirQualityMeter | トウケツライフ / 水抜きのし忘れ防止 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 25 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Yuta Endo](https://appshunter.io/developer/1621719139) | [Masamune Takahashi](https://appshunter.io/developer/1665422823) |

## What reviewers say

### AirQualityMeter

[App page](https://appshunter.io/ios/app/airqualitymeter/id1660451275)

This app provides real-time air quality measurements and forecasts up to 24 hours in advance. It helps users manage their physical condition and prepare for allergies by notifying them of pollutants like PM2.5 and PM10. Location services enable automatic weather data acquisition for your current area.

**Highlights:** Real-time air pollutant notifications (PM2.5, PM10), 24-hour air pollution level forecast, Global coverage, Automatic location-based weather data, Allergy countermeasure information

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

**In-app purchases:** none


### トウケツライフ / 水抜きのし忘れ防止

[App page](https://appshunter.io/ios/app/id1665422821)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AirQualityMeter free?

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

### Is トウケツライフ / 水抜きのし忘れ防止 free?

トウケツライフ / 水抜きのし忘れ防止 is free to download, with no in-app purchases.

### Do AirQualityMeter or トウケツライフ / 水抜きのし忘れ防止 have ads?

AirQualityMeter shows ads; トウケツライフ / 水抜きのし忘れ防止 does not.

### Which is updated more often, AirQualityMeter or トウケツライフ / 水抜きのし忘れ防止?

AirQualityMeter ships an update every 6 months, and トウケツライフ / 水抜きのし忘れ防止 every 2 weeks. Most recently, AirQualityMeter was updated on October 2, 2026 and トウケツライフ / 水抜きのし忘れ防止 on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*