Comparison

Satellite Tracker by Star Walk vs PERIGEE

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

Head to head
About

Satellite Tracker by Star Walk

Track satellites in real-time, including the ISS and Starlink. Get predictions for upcoming passes and set alerts. Explore satellite orbits and trajectories with various viewing modes.

Highlights
  • Real-time satellite tracking
  • Satellite flyby timer
  • Pass predictions
  • Customizable location
  • Fly-with-satellite view
  • Satellite orbit over Earth
Features
Read full description

Observe the International Space Station in the sky above you and find out where human-made satellites are right now with SATELLITE TRACKER by STAR WALK! MAIN FEATURES - Real-time satellite tracking - The most outstanding satellites - Satellite flyby timer & pass predictions - Hand-picked passes & customizable location - Fly-with-satellite view - Satellite orbit over Earth Enjoy the easy and comfortable real-time satellite tracking with SATELLITE TRACKER! ► Select a satellite from the list and see its current location in the sky in real-time or track satellite live orbiting Earth. You can track the most famous and brightest satellites, SpaceX’s Stalinks, communications and weather forecasting satellites, and much more! ► At the top of the main screen, the flyby timer counts the amount of time left until the next flyby of the selected satellite over your location. Tap the down arrow to open the list of passes that will be visible from your location in the nearest future. ► Get precise predictions when satellites are visible in the sky above your location. The list of passes allows you to set any alert (one or more) for the satellite's pass that you’d like to witness. Switch between the app’s modes (Globe view, Satellite View, and Sky view) by tapping the round icons at the bottom of the screen. -> Choose Satellite View to enjoy the 3D image of a satellite flying over Earth with the real speed and location. -> Globe view allows you to see a satellite’s trajectory around the Earth's 3D model and on the Earth’s map. -> Find the satellites in the sky by following the arrow pointer with the Sky View mode. The app contains ads. The ISS is available by default. With SATELLITES LIVE subscription, you get an instant ad-free access to tracking satellites live orbiting over Earth and in the sky, the timer for the next appearance, and alerts about the nearest flybys. SATELLITES LIVE is a renewable subscription with a 1-week FREE trial that gives you access to content from within the app on an ongoing basis. Payment will be charged to your iTunes account. At the end of each subscription duration (1 month), the subscription will automatically renew until you choose to cancel it, and your account will be charged for renewal 24 hours before the end of the current period. Users can manage their subscriptions in their account settings on the App Store. Privacy policy: https://vitotechnology.com/privacy-policy.html Terms of use: https://vitotechnology.com/terms-of-use.html Never miss satellites passing by in the sky with SATELLITE TRACKER!

About

PERIGEE

Track satellites, asteroids, and other celestial objects in real-time with a 3D map. See visible passes, get alerts, and explore the night sky with a planetarium view. Understand what's orbiting above and plan your stargazing.

Highlights
  • Real-time 3D satellite and debris tracking
  • Visible pass predictions and alerts
  • Sky View planetarium with phone pointing
  • Asteroid approach and fireball tracking
  • Rocket launch schedule
  • Time control for orbit simulation
Features
Read full description

See what is orbiting above you — and understand what you're looking at. PERIGEE is a real-time 3D map of everything near Earth: 19,000+ satellites and debris fragments, the ISS, close asteroid approaches, atmospheric fireballs, rocket launches and freshly fallen meteorites. Set your location and SKY shows what is crossing your sky right now and the next pass you can actually see. No accounts, no ads, no tracking. FREE - The next visible passes over your location, with time, direction and height - One free alert before the best visible Space Station pass, on nights there is one - SKY VIEW: a full-sky planetarium — point your phone and browse the real sky - Live 3D globe of 19,000+ tracked objects, propagated in real time - Tap anything: orbit, altitude, speed, size, plain-language explanation - Search any satellite, asteroid or launch - Close asteroid approaches, fireballs, launch schedule, the Moon, aurora ovals, day/night line PERIGEE PRO — monthly, yearly, or a one-time Lifetime purchase. New subscribers get a free trial: 3 days on Monthly, 7 days on Yearly. - Alerts before every visible ISS and Tiangong pass, plus rocket launches, fireball reports and close asteroid flybys - Find in Sky: point your phone and spot a satellite overhead - Time control: warp, reverse, scrub, jump to any date - Guided tours and replays: ride one ISS orbit, replay Chelyabinsk, watch an ascent - Meteorite Fall Watch: fireballs likely to have dropped meteorites, with a search corridor - Daily Earth: yesterday's whole planet in real satellite photos, updated every day (NASA GIBS) - Debris layer (2,600+ fragments), full 24-hour pass schedule, Open in Maps Positions are calculated from published orbital elements, not live telemetry. An object being overhead is not a promise you will see it: brightness, sunlight, darkness, weather and obstructions all matter. PERIGEE tells you which passes are lit and visible. Data sources: CelesTrak, NASA/JPL (CNEOS, Sentry, GIBS), Launch Library 2, Global Meteor Network (CC BY 4.0), the Meteoritical Society, OpenStreetMap. PERIGEE is not affiliated with or endorsed by NASA. Monthly and Yearly renew automatically; cancel anytime in Settings. Lifetime is a one-time purchase. Payment is charged to your Apple Account. Privacy policy: https://perigee.earth/privacy.html — Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Satellite Tracker by Star Walk4 screens
PERIGEE4 screens

Verdict

The call

The clearest difference is review sentiment: PERIGEE at 100% against Satellite Tracker by Star Walk's 58%. PERIGEE also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). Satellite Tracker by Star Walk's advantage is ratings volume (70K vs 7) and chart position (#178 vs unranked). On price, in-app purchases, monetization model 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. Satellite Tracker by Star Walk sells 10 in-app purchases, starting at $0.49 per month and PERIGEE sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PERIGEE holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Satellite Tracker by Star Walk has 70K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 58% of Satellite Tracker by Star Walk's written reviews are positive against 100% of PERIGEE's.

UpkeepUpdate frequency

Satellite Tracker by Star Walk ships an update every 2 months, PERIGEE weekly. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 5 level
Satellite Tracker by Star Walk versus PERIGEE: the parameters behind the verdict, then further details
ParameterSatellite Tracker by Star WalkPERIGEE
PriceFreeFree
Rating4.6 (70K ratings)5.0 (7 ratings) — better
Positive reviews57.7% of reviews100.0% of reviews — better
Number of ratings70K — better7
Update frequencyEvery 2 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#178 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size331 MB28 MB
Age rating4+4+
DeveloperVito Technology Inc.Andrew Malik

Customer experience

Satellite Tracker by Star Walk

All ratings70,274 ratings
Positive91.1%
Neutral4.0%
Negative4.9%
Written reviews574 reviews
Positive57.7%
Neutral8.5%
Negative33.8%

PERIGEE

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Satellite Tracker by Star Walk

Reported bugs

3 issues
  • Unsubscribe button not working
  • Compass issues causing incorrect orientation
  • Occasional crashes and freezes

Requested features

5 requests
  • Add more satellite tracking options
  • Improve pass timing accuracy
  • Provide offline mode for remote use
  • Allow tracking of HAM radio satellites
  • Add more detailed satellite information

PERIGEE

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Satellite Tracker by Star Walk

Subscriptions8
  • Real Time Satellite Tracking7 Days trial$0.491 Month
  • Satellite Tracker Premium: 1m$0.991 Month
  • Real Time Satellite Tracking7 Days trial$0.993 Months
Show 5 more
  • Satellite Tracker Premium: 1m$1.991 Month
  • Satellite Tracker Premium: 1m3 Days trial$1.991 Month
  • Satellite Tracker Premium: 1y$5.991 Year
  • Satellite Tracker Premium: 1y$7.991 Year
  • Satellite Tracker Premium: 1y3 Days trial$7.991 Year
One-time2
  • Lifetime Premium Access Sale$4.99
  • Lifetime Premium Access$9.99
4 purchases

PERIGEE

Subscriptions2
  • PERIGEE Pro Monthly3 Days trial$1.991 Month
  • PERIGEE Pro Yearly7 Days trial$9.991 Year
One-time2
  • PERIGEE Pro Lifetime$19.99
  • PERIGEE Pro Lifetime$29.99

Questions

Is Satellite Tracker by Star Walk free?
Satellite Tracker by Star Walk is free to download, with in-app purchases available.
Is PERIGEE free?
PERIGEE is free to download, with in-app purchases available.
Which has better reviews, Satellite Tracker by Star Walk or PERIGEE?
PERIGEE is rated higher. Satellite Tracker by Star Walk averages 4.6 out of 5 from 70K ratings, while PERIGEE averages 5.0 from 7 ratings.
Do Satellite Tracker by Star Walk or PERIGEE have ads?
Satellite Tracker by Star Walk shows ads; PERIGEE does not.
Which is updated more often, Satellite Tracker by Star Walk or PERIGEE?
Satellite Tracker by Star Walk ships an update every 2 months, and PERIGEE weekly. Most recently, Satellite Tracker by Star Walk was updated on November 10, 2026 and PERIGEE on October 31, 2026.

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