ShowSky vs Hubble Space Telescope Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShowSky
Explore the night sky with this astronomy app. It provides detailed views of stars, constellations, and deep space objects, helping you understand their positions and identify them in real-time by pointing your device.
- 180-degree sky map with flat horizon
- 360-degree visible sky map
- Real-time sky tracking view
- Detailed views of stars, constellations, and deep space objects
- Planet identification
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ShowSky is an astronomy app for everyone. It is designed to let you easily understand and learn the sky in front of you. It gives you a complete view including stars, constellations and deep space objets including photos. The 180 deg map shows you the whole sky in front of you with a flat horizon just as you see it. The 360 deg map shows you the whole visible sky at this moment and the "track" view allows you to point your device towards the sky and see in details what is there. Just turn around to see all currently visible constellation and objects. ShowSky's maps shows you not one or a small number of constellations, but the whole sky allowing you to understand their relative positions in the sky. Planet are also included.
Hubble Space Telescope Tracker
Follow NASA's Hubble Space Telescope mission in real time. Explore a gallery of stunning images, engage in discussions, and learn about space. Receive notifications for new discoveries and test your knowledge with quizzes.
- Real-time mission progress
- Image gallery
- Discussion forums
- Notifications for new images
- 3D Solar system model
- Ask an Astronomer feature
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With Hubble Space Telescope Tracker app, you can follow the mission's progress in real time. Check out the latest images in the gallery and discuss topics in the discussions. Receive notifications about new images. App offers - First Images - Live information - Image Gallery - Discussion - Ask an Astronomer - Frequently Asked Questions - Quiz - Wallpapers - 3D Solar system What is Hubble Space Telescope? The Hubble Space Telescope is a powerful space-based observatory launched in 1990. It captures detailed images of distant galaxies and celestial objects in visible, ultraviolet, and infrared light. Positioned above Earth's atmosphere, it provides clear, distortion-free views, leading to groundbreaking discoveries in astronomy. Operated jointly by NASA and ESA, Hubble has significantly expanded our understanding of the universe.
Screenshots
Verdict
The clearest difference is review sentiment: ShowSky at 100% against Hubble Space Telescope Tracker's 0%. ShowSky also leads on rating (3.8 vs 1.0) and in-app purchases (none vs 1). Hubble Space Telescope Tracker's advantage is update cadence (every 3 months vs every 48 months). On price, ratings volume 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
Both are free to download. Hubble Space Telescope Tracker sells 1 one-off in-app purchase. ShowSky asks for nothing beyond the download.
ShowSky holds the better App Store score, 3.8 against 1.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 100% of ShowSky's written reviews are positive against 0% of Hubble Space Telescope Tracker's.
ShowSky ships an update every 48 months, Hubble Space Telescope Tracker every 3 months. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.
| Parameter | ShowSky | Hubble Space Telescope Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 48 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.2 — better | 12.0 |
| Further details — not scored | ||
| Size | 80 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Suckow | KAKHA GIORGASHVILI |
Customer experience
ShowSky
Hubble Space Telescope Tracker
In-app purchases
ShowSky
No in-app purchases
Hubble Space Telescope Tracker
- Premium$2.99
Questions
Is ShowSky free?
Is Hubble Space Telescope Tracker free?
Which has better reviews, ShowSky or Hubble Space Telescope Tracker?
Do ShowSky or Hubble Space Telescope Tracker have ads?
Which is updated more often, ShowSky or Hubble Space Telescope Tracker?
Other comparisons
