Hubble vs Deep Sky Scanner
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Hubble
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With the "Hubble: Deep Space PRO" application, our aim is to provide you with the information obtained from current researches about 'the Universe' in a compact way. Here you will find many fascinating images, some of which you will want to examine in detail and some you will want to read in detail. You will have a nice user experience and obtain detailed information while navigating through the beautiful photos taken by Hubble Space Telescope. FEATURES β’ In the "Browse" section, you will be able to quickly browse through hundreds of photos (550+) and also read detailed information about them. β’ In the "SlideShow" section, you will be able to browse through hundreds of impressive photos in full screen size and feel as if you were in the orbit at that moment. If you wish, you will be able to get detailed information about these impressive sights by tapping the Info button. β’ In the "Gallery" section, you will be able to see all the photos impressively, show what you want in full screen and when you want to examine them in detail, you can zoom in with the help of your fingers. β’ For those who do not want to be contented with just beautiful photos, there are many videos (220+) in the "Videos" section. β’ You will get detailed information about "Deep Space Objects", β’ You will also find three-dimensional models in the "3D" section.
Deep Sky Scanner
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Point your phone at the sky and know instantly whatβs worth imaging. Deep Sky Scanner turns your device into an aiming tool for the Seestar S50, scanning your field of view and ranking every galaxy, cluster, and nebula by altitude, brightness, and how well itβll actually fit your frame. No more guessing whatβs up, no star-hopping, no wasted setup time on a target thatβs too big or too faint for tonightβs sky. FEATURES β’ Live sky scan β see every object in view as you move your phone, tracked with full 3D orientation for steady accuracy even near the zenith β’ Ranked target lists β sorted by altitude trajectory, brightness, or best overall fit for your Seestar S50 β’ Frame-fit scoring β know before you start whether an object will actually fit the frame, not spill past the edges β’ Ascending/descending badges β see whether a target is climbing toward better altitude or already past its peak β’ Planning mode β drag the time slider to preview the sky at any hour and plan your session in advance β’ Per-object imaging notes β integration-time guidance by magnitude, edge-on galaxy detection, and nearby-companion flags β’ Full OpenNGC catalog with offline fallback β works even without a signal β’ Additional catalogs are available and can be optionally selected on the settings page β’ Supports the Seestar family of telescopes Built by a Seestar owner, for Seestar owners.
Screenshots
Verdict
The clearest difference is price: Deep Sky Scanner at Free against Hubble's $0.99. Deep Sky Scanner also leads on update cadence (every 4 days vs every 9 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Deep Sky Scanner is free to download; Hubble costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Hubble ships an update every 9 months, Deep Sky Scanner every 4 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Hubble | Deep Sky Scanner |
|---|---|---|
| Price | $0.99 | Free β better |
| Update frequency | Every 9 months | Every 4 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 β better |
| Further details β not scored | ||
| Size | 1.7 GB | 2 MB |
| Age rating | 9+ | 4+ |
| Developer | Alparslan Topbas | Chris Eddy |
In-app purchases
Hubble
No in-app purchases
Deep Sky Scanner
No in-app purchases
Questions
Is Hubble free?
Is Deep Sky Scanner free?
Do Hubble or Deep Sky Scanner have ads?
Which is updated more often, Hubble or Deep Sky Scanner?
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