Comparison

Satellite Tracker Pro vs NASA SpaceTime

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

NASA SpaceTime

Track the current time on Mars for NASA's Perseverance and Curiosity rovers. View mission event schedules and operational meetings. Supports Siri integration for quick time queries.

Highlights
  • Mars time display
  • Earth time display
  • Rover mission schedules
  • Operational meeting views
  • Siri integration
Read full description

Display Mars and Earth time for the NASA Perseverance and Curiosity Mars rovers. View the schedule of events and operational meetings in support of these missions.  Ask Siri: "What Sol is it on Mars?"

Screenshots

Satellite Tracker Pro4 screens
NASA SpaceTime3 screens

Verdict

The call

The clearest difference is rating: NASA SpaceTime at 5.0 against Satellite Tracker Pro's 4.3. NASA SpaceTime also leads on update cadence (every 4 weeks vs every 11 months) and review sentiment (100% vs 72%). Satellite Tracker Pro's advantage is ratings volume (67 vs 7). On price, ads, in-app purchases and monetization model 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

NASA SpaceTime holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Satellite Tracker Pro has 67 ratings behind it against 7, 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 100% of NASA SpaceTime's.

UpkeepUpdate frequency

Satellite Tracker Pro ships an update every 11 months, NASA SpaceTime every 4 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 4 level
Satellite Tracker Pro versus NASA SpaceTime: the parameters behind the verdict, then further details
ParameterSatellite Tracker ProNASA SpaceTime
PriceFreeFree
Rating4.3 (67 ratings)5.0 (7 ratings) — better
Positive reviews72.1% of reviews100.0% of reviews — better
Number of ratings67 — better7
Update frequencyEvery 11 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS17.014.0 — better
Further details — not scored
Size58 MB38 MB
Age rating4+4+
DeveloperKornienko VyacheslavJet Propulsion Laboratory

Customer experience

Satellite Tracker Pro

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

NASA SpaceTime

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
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

NASA SpaceTime

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Satellite Tracker Pro

No in-app purchases

None

NASA SpaceTime

No in-app purchases

Questions

Is Satellite Tracker Pro free?
Satellite Tracker Pro is free to download, with no in-app purchases.
Is NASA SpaceTime free?
NASA SpaceTime is free to download, with no in-app purchases.
Which has better reviews, Satellite Tracker Pro or NASA SpaceTime?
NASA SpaceTime is rated higher. Satellite Tracker Pro averages 4.3 out of 5 from 67 ratings, while NASA SpaceTime averages 5.0 from 7 ratings.
Do Satellite Tracker Pro or NASA SpaceTime have ads?
Neither Satellite Tracker Pro nor NASA SpaceTime shows ads.
Which is updated more often, Satellite Tracker Pro or NASA SpaceTime?
Satellite Tracker Pro ships an update every 11 months, and NASA SpaceTime every 4 weeks. Most recently, Satellite Tracker Pro was updated on October 24, 2026 and NASA SpaceTime on October 20, 2026.

Other comparisons