# Satellite Tracker Pro vs NAPA

The clearest difference is update cadence: NAPA at every 2 months against Satellite Tracker Pro's every 11 months. NAPA also leads on rating (4.5 vs 4.3) and device support (3 vs 1). Satellite Tracker Pro's advantage is ratings volume (67 vs 4). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

NAPA holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Satellite Tracker Pro has 67 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 72% of Satellite Tracker Pro's written reviews are positive against 75% of NAPA's.

Satellite Tracker Pro ships an update every 11 months, NAPA every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Satellite Tracker Pro | NAPA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (67 ratings)](https://appshunter.io/ios/app/satellite-tracker-pro/id1518484999/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/napa-star-map/id6475964108/reviews)** |
| Number of ratings | **67** | 4 |
| Positive reviews | 72.1% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 58 MB | 287 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kornienko Vyacheslav](https://appshunter.io/developer/1518484998) | [National Astronomical Research Institute of Thailand (Public Organization)](https://appshunter.io/developer/1725468782) |

## What reviewers say

### Satellite Tracker Pro

[App page](https://appshunter.io/ios/app/satellite-tracker-pro/id1518484999)

Track thousands of satellites in real-time with a 3D Earth model and augmented reality sky gazing. Plan your stargazing sessions with pass predictions and receive personalized notifications for your favorite satellites.

**Highlights:** Real-time 3D Earth model with satellite orbits, Augmented reality (AR) sky gazing for satellite location, Next passes feature for stargazing planning, Personalized notifications for satellite passes, Interactive satellite radar with detailed information, In-depth satellite data

**In-app purchases:** none

**What reviewers like**

- 👍 Great and simple UI
- 💡 No in-app purchases
- 💡 Awesome AR feature
- 💡 Surprisingly no adds
- 💡 Free app

**What reviewers complain about**

- 🐛 Buggy on iOS26
- 🐛 Crashes often
- 🐛 Sometimes off by up to 10°
- 🐛 Globe has problems near poles
- 🐛 Globe movement issues

**Reported bugs**

- AR mode camera only turned on first time
- Globe movement issues
- Map is jittery and bogged down with data
- Cannot make Earth move smoothly
- Cannot see satellite itself

**Requested features**

- Filter to see selected satellites
- Preset filters for AR function
- Section for repeater info (on board Yes/No, PL tone, uplink, downlink)
- Add GEO satellites
- Color code different satellites


### 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


## Frequently asked questions

### Is Satellite Tracker Pro free?

Satellite Tracker Pro is free to download, with no in-app purchases.

### Is NAPA free?

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

### Which has better reviews, Satellite Tracker Pro or NAPA?

NAPA is rated higher. Satellite Tracker Pro averages 4.3 out of 5 from 67 ratings, while NAPA averages 4.5 from 4 ratings.

### Do Satellite Tracker Pro or NAPA have ads?

Neither Satellite Tracker Pro nor NAPA shows ads.

### Which is updated more often, Satellite Tracker Pro or NAPA?

Satellite Tracker Pro ships an update every 11 months, and NAPA every 2 months. Most recently, Satellite Tracker Pro was updated on November 3, 2026 and NAPA on November 4, 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.*