Comparison

Satellite Transponders vs Interstellar Tracker

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

Head to head
About

Satellite Transponders

Access a comprehensive database of global TV satellites and their parameters. Easily search for channels, providers, and satellite information, and manage your favorites. An optional professional version offers advanced features like augmented reality and smart searching.

Highlights
  • Global satellite database
  • Search by channel, satellite, radio, provider
  • Display channel, radio, provider details
  • Frequency, polarization, FEC, Symbol Rate display
  • Favorites list
  • Augmented reality (Pro version)
  • Smart searching with sound (Pro version)
Read full description

This program is a data base of all TV satellites in the world. You can easily find a satellite parameters. Features: - Sort by satellite - Search by channel name, satellite name, radio name, provider name - Displaying the channel name, radio station, a provider with the link to the official site, encoding display - Displaying a frequency, polarization, FEC and Symbol Rate - List of favorites - Available in-app purchases of professional version An enormous data base. More than 12,800 video channels, 3900 radio stations and 180 Internet service providers *** 4in1 in-app purchase  - Augmented reality  - Smart searching with sound indication  - Sorting by frequency  - Satellite calculator Available professional version SatFinder PRO with augmented reality feature at https://itunes.apple.com/us/app/satfinder-pro/id523233755

About

Interstellar Tracker

Features
Read full description

Point your iPhone at the sky and discover comets, meteor showers, and near-Earth objects in real time. Interstellar Tracker overlays an AR reticle on your live camera feed and plots every tracked celestial object exactly where it sits in your sky — above or below the horizon. FEATURES • Live AR sky view — camera feed with Three.js overlay • Comets, meteor showers & NASA near-Earth objects • Tap any object to see magnitude, altitude, azimuth & distance • TRACK mode — follow the amber arrow until TARGET LOCKED • Upcoming Events — get notified when something visible is passing • Works at night, no light pollution needed HOW TO USE 1. Open the app and grant camera, location & motion access 2. The sky map loads automatically for your location 3. Tap any dot to learn more — hit TRACK to lock on 4. Tap the bell icon for upcoming visible events

Screenshots

Satellite Transponders4 screens
Interstellar Tracker3 screens

Verdict

The call

The clearest difference is in-app purchases: Interstellar Tracker at none against Satellite Transponders's 1. Interstellar Tracker also leads on update cadence (daily vs every 4 months). Satellite Transponders's advantage is iOS requirement (11.0 vs 13.0). On price, ads 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 Transponders sells 1 one-off in-app purchase. Interstellar Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

Satellite Transponders ships an update every 4 months, Interstellar Tracker daily. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
Satellite Transponders versus Interstellar Tracker: the parameters behind the verdict, then further details
ParameterSatellite TranspondersInterstellar Tracker
PriceFreeFree
Rating4.3 (288 ratings) — better—
Positive reviews57.9% of reviews—
Number of ratings288 — better—
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better13.0
Further details — not scored
Size8 MB4 MB
Age rating4+4+
DeveloperYuriy KvashaSanith Erankandy

Bugs and requests

Satellite Transponders

Reported bugs

3 issues
  • Compass not working on iOS 9 devices
  • Incorrect transponder frequencies listed for some channels
  • Satellite search not working as expected

Requested features

4 requests
  • Ability to filter by satellite type (C-band, Ku-band, etc.)
  • Option to sort channels by frequency
  • Satellite coverage maps for current location
  • HD channel identification

Interstellar Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Satellite Transponders

One-time1
  • Professional package$2.99
None

Interstellar Tracker

No in-app purchases

Questions

Is Satellite Transponders free?
Satellite Transponders is free to download, with in-app purchases available.
Is Interstellar Tracker free?
Interstellar Tracker is free to download, with no in-app purchases.
Do Satellite Transponders or Interstellar Tracker have ads?
Neither Satellite Transponders nor Interstellar Tracker shows ads.
Which is updated more often, Satellite Transponders or Interstellar Tracker?
Satellite Transponders ships an update every 4 months, and Interstellar Tracker daily. Most recently, Satellite Transponders was updated on October 14, 2026 and Interstellar Tracker on October 2, 2026.

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