Sol Explorer vs Satellite Tracker / Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sol Explorer
Experience our Solar System from a first-person perspective in your own spaceship. Explore planets, moons, and space probes, traveling billions of miles across the cosmos. Learn about over 40 celestial objects and gain new perspectives on Earth and beyond.
- First-person spaceship exploration
- Travel across the entire Solar System
- Learn about 40+ celestial objects
- Explore planets, moons, and probes
- View from the edge of interstellar space
- Size comparison videos
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Get a first-person view of the planets and moons of our Solar System. Climb aboard your very own spaceship and explore... - It's your spaceship – fly wherever you want. - Cruise across the entire Solar System – over eight billion miles end to end. - Stop and learn about any object you see – moons, planets, and space probes. Over 40 celestial objects in all. - Observe Mars, explore the moons of Jupiter, fly through the rings of Saturn, travel to the edge of interstellar space. - Fly to the distant edge of the Solar System and look back on Earth. - Watch the Size of the Planets video and get amazing perspective on the planets in our Solar System – then explore some more.
Satellite Tracker / Radar
Explore the night sky with this AR-powered guide. Identify satellites like the ISS and Starlink, constellations, and stars by pointing your phone at the sky. Get real-time tracking, pass predictions, and notifications for visible celestial events.
- AR Sky Guide
- Satellite tracking (ISS, Starlink)
- Constellation and star identification
- Live sky radar and 3D globe
- Pass predictions and notifications
- Offline mode
- Large satellite database
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Turn your phone into the ultimate AR Sky Guide. Identify lights in the night sky instantly. Whether tracking the International Space Station (ISS), watching a Starlink train, or identifying Constellations, Satellite Tracker provides professional-grade data with a stunning interface. NEW: AR STARGAZING MODE Stop guessing where to look. We've expanded our Augmented Reality view to include the stars! Identify Stars & Constellations: Align your phone to see constellation lines and star names drawn over the real sky. Satellite AR: Spot the ISS, Hubble, and thousands of satellites with precise zenith alignment. Unified View: See how satellites move through the constellations in real-time. NEW: AUGMENTED REALITY (AR) MODE Stop guessing where to look. Activate the AR Sky View and point your camera at the sky. The app overlays the exact position of satellites, the ISS, and celestial objects directly on your screen. Align the zenith arrow and spot objects in seconds. CORE FEATURES: Live Sky Radar & 3D Globe Visualize Earth and its orbiters like never before. Switch between a 2D Radar Scope for polar plotting or a stunning 3D Interactive Globe to see satellite trajectories relative to the Earth's day/night line. ISS & Starlink Tracker Get precise Pass Predictions. We calculate flyovers specifically for your location using the latest SGP4 propagation data. ISS Spotter: Know exactly when the Space Station will rise and set. Starlink Trains: Track the famous "string of pearls" satellite constellations. Notify Me: Set alerts for the next 2 hours or next 6 hours so you never miss a visible pass. Massive Database (NORAD/TLE) Access a catalog of over 12,000+ objects. From active weather satellites to space junk and classified bodies. Search: Find objects by Common Name or NORAD ID. Classify: Color-coded filters for LEO, MEO, GEO, and HEO orbits. Live Telemetry: View real-time altitude, velocity, range, and doppler shift. Power User Tools Offline Mode: Heading to a dark-sky preserve? Predictions work without internet access. Device Optimization: Adjustable "Satellite Limit" to ensure smooth performance on any device. Download Satellite Tracker today and join the community of sky-watchers. Never ask "What was that light?" again.
Screenshots
Verdict
The clearest difference is review sentiment: Sol Explorer at 100% against Satellite Tracker / Radar's 50%. Sol Explorer also leads on rating (5.0 vs 4.4) and ads (none vs shown). Satellite Tracker / Radar's advantage is update cadence (weekly vs every 86 months) and ratings volume (37 vs 6). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sol Explorer holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Satellite Tracker / Radar has 37 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Sol Explorer's written reviews are positive against 50% of Satellite Tracker / Radar's.
Sol Explorer ships an update every 86 months, Satellite Tracker / Radar weekly. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.
| Parameter | Sol Explorer | Satellite Tracker / Radar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | 4.4 (37 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 6 | 37 — better |
| Update frequency | Every 86 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 268 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Reason Interactive | MICHAL DOMINIK GIZA |
Customer experience
Sol Explorer
Satellite Tracker / Radar
In-app purchases
Sol Explorer
No in-app purchases
Satellite Tracker / Radar
No in-app purchases
Questions
Is Sol Explorer free?
Is Satellite Tracker / Radar free?
Which has better reviews, Sol Explorer or Satellite Tracker / Radar?
Do Sol Explorer or Satellite Tracker / Radar have ads?
Which is updated more often, Sol Explorer or Satellite Tracker / Radar?
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