# NAPA vs fireDNPX

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.

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

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

## The numbers

| Metric | NAPA | fireDNPX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/napa-star-map/id6475964108/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 287 MB | 4 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [National Astronomical Research Institute of Thailand (Public Organization)](https://appshunter.io/developer/1725468782) | [Natthanon Chaiyasak](https://appshunter.io/developer/934772605) |

## What reviewers say

### NAPA

[App page](https://appshunter.io/ios/app/napa-star-map/id6475964108)

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:** macOS Compatibility

**In-app purchases:** none


### fireDNPX

[App page](https://appshunter.io/ios/app/firednpx/id6505078314)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*