PM2.5台灣 vs 江苏天气⁺
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PM2.5台灣
Stay informed about PM2.5 air quality in Taiwan. Receive custom notifications for high pollution levels and track real-time rankings across different regions.
- Real-time PM2.5 concentration tracking
- Customizable pollution level notifications
- Nationwide and regional rankings
- Alerts for exceeding pollution thresholds
- Daily time-based reminders
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知道嗎?台灣的PM2.5污染情況並不如想像中的樂觀,尤其中南部地區出現有紫爆之稱的"非常高濃度(等級10)"更是時有所聞,北部地區的朋友們也不能掉以輕心,處於PM2.5濃度中(等級4)的地區每天相當於把三根煙抽進肚子裡;一起來關心您所在地區的PM2.5濃度,自訂每日時間(ex.出門前)濃度通知,並且在濃度超標時通知您,還有全國即時濃度排行、五都排行、縣市排行,讓您掌握全台空氣最乾淨的與最差的究竟是哪些地方
江苏天气⁺
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该系统以公众用户为服务对象，围绕城市居民生活和出行，建设公众和行业（农业、牧场、城市积涝）囊括江苏气象要素实况和预报预警数据、服务材料、融媒体视频信息、特色生活指数等江苏气象服务产品。立足公众生活衣食住行，提供全方位气象服务。
Screenshots
Verdict
The clearest difference is review sentiment: 江苏天气⁺ at 67% against PM2.5台灣's 17%. PM2.5台灣's advantage is iOS requirement (7.0 vs 16). On price, update cadence, ads and in-app purchases 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台灣 ships an update every 2 weeks, 江苏天气⁺ every 3 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | PM2.5台灣 | 江苏天气⁺ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | 66.7% of reviews — better |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 16 |
| Further details — not scored | ||
| Size | 9 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | YEH TSUNG MING | Beijing Huafeng Innovation Network Company Limited |
Customer experience
PM2.5台灣
江苏天气⁺
In-app purchases
PM2.5台灣
No in-app purchases
江苏天气⁺
No in-app purchases
