Space Images vs Hubble Space Telescope Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Space Images
Explore breathtaking images from NASA missions, featuring planets, galaxies, and space technology. This app offers widgets for your home screen and StandBy mode, allowing you to view a slideshow while your device charges. You can also bookmark, search, and share your favorite celestial discoveries.
- Latest NASA space images
- Widgets for home screen
- StandBy mode slideshow
- Image notifications
- Search and browse categories
- Bookmark and share images
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Discover stunning new images of space, planets, Mars, asteroids, stars, galaxies, and cutting-edge space technology as they are released each week from NASA's Jet Propulsion Laboratory. This new version of Space Images is fully redesigned and optimized for iOS 17, now supporting all widgets, including StandBy, which can display a slideshow while your device is charging. • iTunes Staff Favorite • Top Free App in the App Store Education category Features • From Earth, Mars, Jupiter, Saturn, and the icy moons of the outer solar system, get the latest science images of planets, stars, galaxies, robotic explorers, weather, and more. • Opt-in to get once-per-week notifications of the coolest images captured by JPL’s fleet of NASA space probes, including the Ingenuity Mars helicopter and rovers and the James Webb Space Telescope. • View the latest images from space on your home screen using our widgets. • Display a continuous rotating carousel of Space Images on your desk or side table using Standby (iOS 17). • “Like” and bookmark your favorite celestial images and share seamlessly on popular social media platforms. • Search by keyword or browse by these categories: Earth, Mars, Solar System, Stars and Galaxies, Exoplanets, Robotics, and Technology. • Save images to your photo library and share them with your friends.
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: Space Images at 63% against Hubble Space Telescope Tracker's 0%. Space Images also leads on rating (4.6 vs 1.0) and in-app purchases (none vs 1). Hubble Space Telescope Tracker's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence 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. Space Images asks for nothing beyond the download.
Space Images holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Space Images has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 63% of Space Images's written reviews are positive against 0% of Hubble Space Telescope Tracker's.
Space Images ships an update every 4 months, Hubble Space Telescope Tracker every 3 months. The most recent releases landed on November 4, 2026 and November 1, 2026 respectively.
| Parameter | Space Images | Hubble Space Telescope Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (16 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 63.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 4 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 | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Jet Propulsion Laboratory | KAKHA GIORGASHVILI |
Customer experience
Space Images
Hubble Space Telescope Tracker
In-app purchases
Space Images
No in-app purchases
Hubble Space Telescope Tracker
- Premium$2.99
Questions
Is Space Images free?
Is Hubble Space Telescope Tracker free?
Which has better reviews, Space Images or Hubble Space Telescope Tracker?
Do Space Images or Hubble Space Telescope Tracker have ads?
Which is updated more often, Space Images or Hubble Space Telescope Tracker?
Other comparisons
