Comparison

Satellite Tracker by Star Walk vs ILICALC

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

ILICALC

This app calculates pipeline flow rates and pressures in various units. It also helps determine ILI or pig run times and convert units for flow rates, pressures, and distances. Users can look up pipe schedules, wall thickness, and pipe grades.

Highlights
  • Calculate pipeline flow rates and pressures
  • Determine ILI or pig run times
  • Convert units for flow, pressure, and distance
  • Lookup pipe schedules and specifications
  • Supports multiple units of measurement
Features
Read full description

CALCULATE - Pipeline flow rates and pressures in a variety of units - bbls/hr, e3m3/day, etc - ILI or pig run times under various conditions CONVERT UNITS - Flow rates - Pressures - Distance LOOKUP - Pipe schedules - Wall thickness - Pipe grades

Screenshots

Satellite Tracker by Star Walk4 screens
ILICALC4 screens

Verdict

The call

Satellite Tracker by Star Walk and ILICALC both sit at 4.6 stars, but that hides the real split: 100% of ILICALC's written reviews are positive against 58% of Satellite Tracker by Star Walk's. ILICALC also leads on in-app purchases (none vs 10) and ads (none vs shown). Satellite Tracker by Star Walk's advantage is ratings volume (70K vs 2) and chart position (#197 vs unranked). On price, rating 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. ILICALC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Satellite Tracker by Star Walk against 4.5 for ILICALC. That said, the two scores are not equally well evidenced: Satellite Tracker by Star Walk has 70K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 58% of Satellite Tracker by Star Walk's written reviews are positive against 100% of ILICALC's.

UpkeepUpdate frequency

Satellite Tracker by Star Walk ships an update every 2 months, ILICALC every 2 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard8 real differences · 3 level
Satellite Tracker by Star Walk versus ILICALC: the parameters behind the verdict, then further details
ParameterSatellite Tracker by Star WalkILICALC
PriceFreeFree
Rating4.6 (70K ratings) — better4.5 (2 ratings)
Positive reviews57.7% of reviews100.0% of reviews — better
Number of ratings70K — better2
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#197 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size331 MB20 MB
Age rating4+4+
DeveloperVito Technology Inc.Onstream Pipeline Inspection Services Inc

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%

ILICALC

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 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

ILICALC

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
None

ILICALC

No in-app purchases

Questions

Is Satellite Tracker by Star Walk free?
Satellite Tracker by Star Walk is free to download, with in-app purchases available.
Is ILICALC free?
ILICALC is free to download, with no in-app purchases.
Which has better reviews, Satellite Tracker by Star Walk or ILICALC?
Satellite Tracker by Star Walk is rated higher. Satellite Tracker by Star Walk averages 4.6 out of 5 from 70K ratings, while ILICALC averages 4.5 from 2 ratings.
Do Satellite Tracker by Star Walk or ILICALC have ads?
Satellite Tracker by Star Walk shows ads; ILICALC does not.
Which is updated more often, Satellite Tracker by Star Walk or ILICALC?
Satellite Tracker by Star Walk ships an update every 2 months, and ILICALC every 2 weeks. Most recently, Satellite Tracker by Star Walk was updated on November 7, 2026 and ILICALC on November 3, 2026.

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