PM2.5と黄砂の予測 大気汚染予報 vs 頭痛日記 henz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PM2.5と黄砂の予測 大気汚染予報
This app displays air quality forecasts for PM2.5 and yellow dust, presented in a weather forecast style by prefecture. It also provides real-time data from the Ministry of the Environment's "Soramame-kun" system. Visual indicators show air quality levels from clean to alert.
- PM2.5 and yellow dust forecasts
- Prefecture-based weather forecast style
- Real-time data from Soramame-kun
- Visual air quality indicators
- Clean to alert level display
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九州大学応用力学研究所から提供されている「SPRINTARS」の予測（大気汚染粒子 PM2.5、黄砂 SPM）を、都道府県ごとの天気予報風に表示するアプリです。そのほか、環境省から提供されている「そらまめ君」の速報値を見ることもできます。 予報は以下の4種類で表示されます。 少ない（水色） ：清浄 やや多い（緑色） ：大気が少し霞む程度 多い（橙色） ：環境基準値程度 非常に多い（赤色）：注意喚起レベル SPRINTARS ホームページ http://sprintars.riam.kyushu-u.ac.jp/ 大気汚染物質広域監視システム（そらまめ君） ホームページ http://soramame.taiki.go.jp/ 環境省 微小粒子状物質(PM2.5)に関する情報 http://www.env.go.jp/air/osen/pm/info.html
頭痛日記 henz
This application allows users to easily record and track migraine and headache occurrences. It also supports logging periodic physical condition records, with a calendar view for reviewing past entries.
- Migraine recording
- Headache tracking
- Physical condition logging
- Calendar review
- Multiple daily records
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The second version of our migraine management application "henz", "henz-2" is out! In addition to the much-requested three daily headache records, you can now also manage periodic physical condition records! As before, you can easily look back on the calendar.
Screenshots
Verdict
The clearest difference is review sentiment: 頭痛日記 henz at 100% against PM2.5と黄砂の予測 大気汚染予報's 48%. 頭痛日記 henz also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
PM2.5と黄砂の予測 大気汚染予報 ships an update monthly, 頭痛日記 henz every 2 weeks. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.
| Parameter | PM2.5と黄砂の予測 大気汚染予報 | 頭痛日記 henz |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 48.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Noriki Fujiwara | Takumi Sugihara |
Customer experience
PM2.5と黄砂の予測 大気汚染予報
頭痛日記 henz
In-app purchases
PM2.5と黄砂の予測 大気汚染予報
No in-app purchases
頭痛日記 henz
No in-app purchases
Questions
Is PM2.5と黄砂の予測 大気汚染予報 free?
Is 頭痛日記 henz free?
Do PM2.5と黄砂の予測 大気汚染予報 or 頭痛日記 henz have ads?
Which is updated more often, PM2.5と黄砂の予測 大気汚染予報 or 頭痛日記 henz?
Other comparisons
