Comparison

SoHO Viewer vs Hubble

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

Head to head
About

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.

Highlights
  • Download latest SoHO images
  • Display solar images
  • Push notifications for new images
  • Badge notification for new images
  • Image courtesy of SOHO consortium
Features
Read full description

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.

About

Hubble

Explore the universe in high definition with stunning images from the Hubble Space Telescope. Discover galaxies, nebulae, and star clusters with detailed descriptions and an immersive slideshow experience. Stay updated with the latest cosmic discoveries.

Highlights
  • High-resolution cosmic image gallery
  • Immersive slideshow mode
  • Searchable database of celestial objects
  • Detailed scientific descriptions
  • Real-time updates for 'Picture of the Week'
  • Links to NASA/ESA archives
Features
Read full description

Embark on a breathtaking journey across the universe with Hubble. Experience the awe-inspiring beauty of deep space through the lens of the world’s most famous space telescope. From distant galaxies to colorful nebulae, the Hubble Cosmic Gallery brings the majesty of the cosmos directly to your fingertips in stunning high resolution. Fresh from Hubble: Stay updated with the "Picture of the Week." Our real-time ESA/Hubble RSS integration ensures you never miss a new cosmic discovery. Immense HD Library: Browse a curated collection of the most iconic Hubble images. Explore star clusters, supernova remnants, and the farthest reaches of the observable universe. Immersive Slideshow: Turn your device into a window to the stars. Enjoy a seamless, auto-playing slideshow experience with ambient transitions and deep-space vibes. Search & Discover: Looking for a specific nebula or galaxy? Use our lightning-fast search to find exactly what you're looking for among hundreds of high-res entries. Premium UI/UX: Designed with SwiftUI, featuring elegant glassmorphism effects, parallax carousels, and tactical haptic feedback for a truly premium feel. Learn as You Explore: Every image comes with detailed scientific descriptions and direct links to official NASA/ESA archives for those who want to dive deeper into the science. Whether you’re a space enthusiast, a student of astronomy, or simply someone who appreciates the beauty of our universe, Hubble provides a specialized, clutter-free experience for celestial exploration. Download Hubble today and witness the grandeur of the stars like never before.

Screenshots

SoHO Viewer4 screens
Hubble4 screens

Verdict

The call

The clearest difference is review sentiment: SoHO Viewer at 69% against Hubble's 0%. SoHO Viewer also leads on ads (none vs shown) and monetization model (free vs ad-supported). Hubble's advantage is rating (4.3 vs 3.4). On price, ratings volume, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Hubble holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 19 and 7 respectively. Written reviews complicate that: 69% of SoHO Viewer's written reviews are positive against 0% of Hubble's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

SoHO Viewer ships an update every 2 months, Hubble every 6 weeks. The most recent releases landed on July 21, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 5 level
SoHO Viewer versus Hubble: the parameters behind the verdict, then further details
ParameterSoHO ViewerHubble
PriceFreeFree
Rating3.4 (19 ratings)4.3 (7 ratings) — better
Positive reviews69.1% of reviews — better0.0% of reviews
Number of ratings19 — better7
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size5 MB1.7 GB
Age rating4+9+
DeveloperJerome DiazAlparslan Topbas

Customer experience

SoHO Viewer

All ratings19 ratings
Positive57.9%
Neutral5.3%
Negative36.8%
Written reviews68 reviews
Positive69.1%
Neutral10.3%
Negative20.6%

Hubble

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

SoHO Viewer

No in-app purchases

None

Hubble

No in-app purchases

Questions

Is SoHO Viewer free?
SoHO Viewer is free to download, with no in-app purchases.
Is Hubble free?
Hubble is free to download, with no in-app purchases.
Which has better reviews, SoHO Viewer or Hubble?
Hubble is rated higher. SoHO Viewer averages 3.4 out of 5 from 19 ratings, while Hubble averages 4.3 from 7 ratings.
Do SoHO Viewer or Hubble have ads?
Hubble shows ads; SoHO Viewer does not.
Which is updated more often, SoHO Viewer or Hubble?
SoHO Viewer ships an update every 2 months, and Hubble every 6 weeks. Most recently, SoHO Viewer was updated on July 21, 2026 and Hubble on September 11, 2026.

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