# AirQualityMeter vs 花粉 週間予報

The clearest difference is in-app purchases: AirQualityMeter at none against 花粉 週間予報's 5. 花粉 週間予報's advantage is update cadence (every 3 weeks vs every 3 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 花粉 週間予報 sells 5 in-app purchases, starting at $2.99 per month. AirQualityMeter asks for nothing beyond the download.

AirQualityMeter ships an update every 3 months, 花粉 週間予報 every 3 weeks. The most recent releases landed on September 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AirQualityMeter | 花粉 週間予報 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 73 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Yuta Endo](https://appshunter.io/developer/1621719139) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## 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


### 花粉 週間予報

[App page](https://appshunter.io/ios/app/id6478220308)

Get real-time pollen forecasts across Japan to plan your outings with confidence. View daily pollen levels in easy-to-understand graphs and check the weekly forecast to prepare for high pollen days. Save your favorite locations for quick access to local pollen information.

**Highlights:** Nationwide pollen information, Daily pollen levels graph, Weekly pollen forecast, Register favorite locations, Real-time pollen data

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告停止 | $2.99 | per month |
| Coffee (Regular) | $0.49 | one-time |
| Coffee (Large) | $1.99 | one-time |
| システム改善応援募金 | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is AirQualityMeter free?

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

### Is 花粉 週間予報 free?

花粉 週間予報 is free to download, with in-app purchases available.

### Do AirQualityMeter or 花粉 週間予報 have ads?

Both AirQualityMeter and 花粉 週間予報 show ads.

### Which is updated more often, AirQualityMeter or 花粉 週間予報?

AirQualityMeter ships an update every 3 months, and 花粉 週間予報 every 3 weeks. Most recently, AirQualityMeter was updated on September 1, 2026 and 花粉 週間予報 on September 24, 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.*