Comparison

Satellite Tracker Pro vs NAPA

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

Head to head
About

Satellite Tracker Pro

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
Read full description

Explore the Cosmos with Real-Time Satellite Tracker: Your Ultimate Mobile Space Observatory Discover the intriguing world of satellite tracking with Real-Time Satellite Tracker, the most sophisticated and all-encompassing app of its kind. Transform your smartphone into a state-of-the-art celestial observatory and immerse yourself in the wonders of outer space. • 3D Earth Model: Interact with thousands of satellites in real-time as they orbit the Earth on our stunning 3D model. Zoom, rotate, and investigate the globe from the perspective of a satellite. • AR Sky Gazing: Point your device skyward and let our powerful AR mode guide you to effortlessly locate and track satellites. A real-time overlay reveals each satellite's trajectory and position. • Plan Your Stargazing: Use our next passes feature to schedule perfect stargazing nights, complete with precise date and time predictions for the upcoming visible passes of your favorite satellites. • Personalized Notifications & Favorites: Save your top satellites and receive tailored notifications about their forthcoming passes, ensuring you never miss an opportunity to witness them in the sky. • Interactive Satellite Radar: Utilize our cutting-edge radar to detect nearby satellites, access vital information on altitude, speed, and distance from your location. • In-Depth Satellite Data: Delve into detailed data on each satellite. Download Real-Time Satellite Tracker now and embark on an extraordinary journey through the cosmos!

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

Screenshots

Satellite Tracker Pro4 screens
NAPA4 screens

Verdict

The call

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.

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Satellite Tracker Pro versus NAPA: the parameters behind the verdict, then further details
ParameterSatellite Tracker ProNAPA
PriceFreeFree
Rating4.3 (67 ratings)4.5 (4 ratings) — better
Positive reviews72.1% of reviews75.0% of reviews — better
Number of ratings67 — better4
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size58 MB287 MB
Age rating4+4+
DeveloperKornienko VyacheslavNational Astronomical Research Institute of Thailand (Public Organization)

Customer experience

Satellite Tracker Pro

All ratings59 ratings
Positive79.7%
Neutral8.5%
Negative11.9%
Written reviews43 reviews
Positive72.1%
Neutral11.6%
Negative16.3%

NAPA

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Bugs and requests

Satellite Tracker Pro

Reported bugs

6 issues
  • 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
Show 1 more
  • Doesn't show satellites above location

Requested features

24 requests
  • 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
Show 19 more
  • Camera function with real overlay
  • Option to see non-visible passes
  • See satellite information from Wikipedia/other sources
  • See satellites on the other side of the Earth
  • Amateur radio info (frequencies, mode, receive/transmit)
  • Move Earth with finger better
  • Home page menu/landing page
  • Customization of widget tracking targets
  • Indication of Starlink train visibility
  • View Starlink groups on globe and transit times
  • Option to view all satellites or select groups
  • Show satellite icon instead of dot
  • Optimization of graphics
  • Favorite a satellite
  • Automatically take user to live map spot
  • Small video tutorial on app usage
  • Full NORAD database access
  • Favorite ALL Starlink satellites
  • Easier globe manipulation

NAPA

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Satellite Tracker Pro

No in-app purchases

None

NAPA

No in-app purchases

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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