Comparison

CM PM2.5 vs fireDNPX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

CM PM2.5

Features

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การบูรณาการข้อมูลตรวจวัด ข้อมูลพยากรณ์จากแบบจำลองคุณภาพอากาศ ข้อมูลจากภาพถ่ายดาวเทียม ข้อมูลเชิงพื้นที่ และการรายงานอย่างเป็นระบบ เพื่อสนับสนุนการตัดสินใจลดความเสี่ยงและผลกระทบจากปัญหาฝุ่น PM2.5 ในพื้นที่จังหวัดเชียงใหม่ ทำให้ทราบสถานการณ์ปัจจุบัน รวมทั้งได้ทราบแนวโน้มของสถานการณ์ในอนาคตอันใกล้ ซึ่งจะช่วยในการวางแผนให้ความช่วยเหลือบรรเทาปัญหาแก่ประชาชนได้อย่างมีประสิทธิภาพ

About

fireDNPX

Features

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The application displays hotspots and related data layers, helping agencies plan and manage forest fires at both policy and operational levels. This development builds on a research project the Developing Geospatial Innovation for Thailand Forest Fire Clustering and Spread Prediction from Hotspot Analysis. By the Department of National Parks, Wildlife and Plant Conservation, in collaboration with the Geo-Informatics and Space Technology Development Agency (Public Organization) (GISTDA). Developed by Natthanon CHAIYASAK, Chief of Kanchanaburi Forest Fire Operation Center Department of National Parks, Wildlife and Plant Conservation.

Screenshots

CM PM2.54 screens

fireDNPX4 screens

Verdict

The call

The clearest difference is update cadence: fireDNPX at weekly against CM PM2.5's every 3 weeks. CM PM2.5's advantage is iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CM PM2.5 ships an update every 3 weeks, fireDNPX weekly. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 4 level

CM PM2.5 versus fireDNPX: the parameters behind the verdict, then further details
Parameter	CM PM2.5	fireDNPX
Price	Free	Free
Update frequency	Every 3 weeks	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	11.0 — better	17.6
Further details — not scored
Size	33 MB	4 MB
Age rating	4+	4+
Developer	Chakrit Chotamonsak	Natthanon Chaiyasak

In-app purchases

None

CM PM2.5

No in-app purchases

None

fireDNPX

No in-app purchases

Questions

Is CM PM2.5 free?

CM PM2.5 is free to download, with no in-app purchases.

Is fireDNPX free?

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

Do CM PM2.5 or fireDNPX have ads?

Neither CM PM2.5 nor fireDNPX shows ads.

Which is updated more often, CM PM2.5 or fireDNPX?

CM PM2.5 ships an update every 3 weeks, and fireDNPX weekly. Most recently, CM PM2.5 was updated on September 13, 2026 and fireDNPX on September 8, 2026.