AirQualityMeter vs DustMap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirQualityMeter
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.
- Real-time air pollutant notifications (PM2.5, PM10)
- 24-hour air pollution level forecast
- Global coverage
- Automatic location-based weather data
- Allergy countermeasure information
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We will inform you of the measurement of the air environment (air pollution) and the forecast up to 24 hours ahead. Please use it for daily physical condition management and allergy countermeasures. (If you enable location information, the weather information for your current location will be obtained automatically.) -Notify air pollutants such as PM2.5 and PM10 in real time! -You can check the air pollution level forecast up to 24 days later. -Can be used all over the world! You can use it in the same way outside your country of residence -Acquire real-time weather data from OpenWeatherMap
DustMap
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空気の「見えない脅威」を見える化 このアプリは、PM2.5・オゾン・黄砂・花粉の情報を地図上にヒートマップ形式でわかりやすく表示します。 「今日は外出しても大丈夫?」 「子どもや高齢者の健康が心配…」 そんな不安を、このアプリがサポートします。 主な機能 ・リアルタイムの空気情報を地図上で確認 地域ごとの大気の状態がひと目でわかります ・ヒートマップ表示で直感的に理解 色の変化で、どのエリアに注意が必要か一目瞭然 ・PM2.5・オゾン・黄砂・花粉に対応 季節や天候に応じた変化を追えます こんな方におすすめ ・アレルギーや喘息に悩む方 ・小さなお子様や高齢の家族を守りたい方 ・屋外での運動や仕事をする方 ・健康意識の高い方 見えない空気の質を、もっと身近に、もっとわかりやすく。 このアプリで、毎日の暮らしを少し安心にしませんか? 出典:気象庁ホームページ (https://www.jma.go.jp/jma/index.html) 本アプリケーションの一部のデータ( 天気の予測及び天気図、雨雲、風のデータ、注意報・警報情報)は、気象庁ホームページ(https://www.jma.go.jp/jma/index.html)より、公開されている情報を元に作成されております。 なお、気象庁のデータ利用および、コンテンツ利用については、気象庁より示されている利用規約とルール(https://www.jma.go.jp/jma/kishou/info/coment.html)を遵守しており、出典の記載方法についてもこれを遵守しております。
Screenshots
Verdict
The clearest difference is in-app purchases: AirQualityMeter at none against DustMap's 4. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DustMap sells 4 one-off in-app purchases. AirQualityMeter asks for nothing beyond the download.
AirQualityMeter ships an update every 6 months, DustMap every 5 months. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.
| Parameter | AirQualityMeter | DustMap |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15 — better |
| Further details — not scored | ||
| Size | 10 MB | 63 MB |
| Age rating | 12+ | 4+ |
| Developer | Yuta Endo | hidehiko aihara |
In-app purchases
AirQualityMeter
No in-app purchases
DustMap
- Coffee (Regular)$0.49
- Coffee (Large)$1.99
- システム改善応援費$1.99
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- Cake Set$5.99








