SoHO Viewer vs Hubble Space Telescope Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SoHO Viewer
Access and view the latest images from the Solar and Heliospheric Observatory (SoHO). Receive push notifications when new images are available, keeping you updated on solar activity. This app is a convenient tool for anyone interested in space imagery.
- Download latest SoHO images
- Display solar images
- Push notifications for new images
- Badge notification for new images
- Image courtesy of SOHO consortium
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SoHO Viewer is a simple application for downloading and displaying the latest images taken by the Solar and Heliospheric Observatory (SoHO). It includes push notifications so you can be notified by a badge on the application when new images are available. It was quoted as “one of the ten best free applications to have on your iphone if you like stargazing:” http://www.networkworld.com/news/2010/112210-free-iphone-stargazing-apps.html It appears in Mars 2015 edition of Sky And Telescope, page 70. Images are courtesy of SOHO consortium. SOHO is a project of international cooperation between ESA and NASA. If you had like to see images taken by Solar Dynamics Observatory (SDO) please use the SDO Viewer application.
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: SoHO Viewer at 69% against Hubble Space Telescope Tracker's 0%. SoHO Viewer also leads on rating (3.4 vs 1.0) and in-app purchases (none vs 1). On price, update cadence, 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. Hubble Space Telescope Tracker sells 1 one-off in-app purchase. SoHO Viewer asks for nothing beyond the download.
SoHO Viewer holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: SoHO Viewer has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 69% of SoHO Viewer's written reviews are positive against 0% of Hubble Space Telescope Tracker's.
SoHO Viewer ships an update every 2 months, Hubble Space Telescope Tracker every 3 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.
| Parameter | SoHO Viewer | Hubble Space Telescope Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (19 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 69.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 19 — better | 2 |
| Update frequency | Every 2 months — better | Every 3 months |
| 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 | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Jérôme Diaz | KAKHA GIORGASHVILI |
Customer experience
SoHO Viewer
Hubble Space Telescope Tracker
In-app purchases
SoHO Viewer
No in-app purchases
Hubble Space Telescope Tracker
- Premium$2.99
Questions
Is SoHO Viewer free?
Is Hubble Space Telescope Tracker free?
Which has better reviews, SoHO Viewer or Hubble Space Telescope Tracker?
Do SoHO Viewer or Hubble Space Telescope Tracker have ads?
Which is updated more often, SoHO Viewer or Hubble Space Telescope Tracker?
Other comparisons
