Comparison

NAPA vs fireDNPX

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

Head to head
About

NAPA

Explore the night sky with this astronomy and planetarium app. Identify stars, constellations, and planets by pointing your device at the sky. Plan future observations by adjusting the time and date.

Highlights
  • Point and observe celestial objects
  • Star map functionality
  • Time adjustment for observation planning
  • Simulate planet positions
  • Locate specific celestial objects
  • Real images of deep sky objects
Features
Read full description

NAPA - Star Map NARIT Astronomy & Planetarium Application, or “NAPA” is an astronomy and planetarium app that will help guide you to the night sky. Identify those dots in the sky. Learn about stars, constellations, planets, and other deep sky objects by simply pointing your phone at the sky. Adjust the time and NAPA can be used as a star map to help plan your future observation. Familiarize yourself and learn more about the patterns that make up the night sky. Select and use NAPA to locate deep sky objects that you can locate with a binocular or small telescope. NAPA is made by professional and amateur astronomers, along with public outreach professionals with the aim to help bridge the gap, making astronomy accessible to everyone. This app is made free to use with the aim to assist schoolteachers and public outreach personnels with their engagement with the public. Unlock the pro version (coming soon) to access the full potential of this app. Turn your phone into powerful tools that can help you with your observation and stargazing events with features that will assist in your astronomical needs. NAPA features: • Point and observe: Display the celestial objects in the position of the sky that your smart device is pointing at. • Point and drag the screen to turn this app into a star map. • Adjust the time to plan your observations at any given date and time. • Simulate the positions of planets that you can see at any time. • Select constellations, planets, or deep sky objects of interest and locate its position in the sky. • Real images of deep sky objects

About

fireDNPX

Features
Read full description

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

NAPA4 screens
fireDNPX4 screens

Verdict

The call

The clearest difference is update cadence: fireDNPX at weekly against NAPA's every 2 months. NAPA's advantage is iOS requirement (12.0 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

NAPA ships an update every 2 months, fireDNPX weekly. The most recent releases landed on October 24, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
NAPA versus fireDNPX: the parameters behind the verdict, then further details
ParameterNAPAfireDNPX
PriceFreeFree
Rating4.5 (4 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size287 MB4 MB
Age rating4+4+
DeveloperNational Astronomical Research Institute of Thailand (Public Organization)Natthanon Chaiyasak

In-app purchases

None

NAPA

No in-app purchases

None

fireDNPX

No in-app purchases

Questions

Is NAPA free?
NAPA is free to download, with no in-app purchases.
Is fireDNPX free?
fireDNPX is free to download, with no in-app purchases.
Do NAPA or fireDNPX have ads?
Neither NAPA nor fireDNPX shows ads.
Which is updated more often, NAPA or fireDNPX?
NAPA ships an update every 2 months, and fireDNPX weekly. Most recently, NAPA was updated on October 24, 2026 and fireDNPX on September 24, 2026.

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