Comparison

Stellar Catalogue vs SkyORB ∞ Astronomy

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

Head to head
About

Stellar Catalogue

Discover celestial objects visible in the night sky in real-time based on your location. Plan your observations with custom locations, simulate dates, and manage your optical equipment. Save favorite objects and lists for quick access.

Highlights
  • Real-time sky observation guide
  • Object discovery by location
  • Skyview navigation mode
  • Custom observation planning
  • Optical equipment setup
  • Personalized object lists
Features
Read full description

Don’t know what to observe in the sky tonight? Stellar Catalogue shows you instantly. Discover in real time what’s visible above you, with precise data and tools designed for observers of all levels. WHAT YOU CAN DO • Find out what to observe tonight based on your location • View planets, Moon, Sun, stars and deep sky objects • Explore constellations, comets and space stations • Use Skyview mode to navigate the night sky PLAN YOUR OBSERVATIONS • Create custom observing locations • Simulate date and time to plan your sessions • Save your own observation lists OPTICAL SETUP • Add telescopes, eyepieces and sensors • Preview the real field of view of your objects PERSONALIZATION • Save your favorite objects • Quickly access what you want to observe Stellar Catalogue is designed to make stargazing simple, fast and precise. Try it free for 15 days. For reports, suggestions and requests, write to the support email support@stellarcatalogue.com Privacy Policy: https://www.stellarcatalogue.com/app-privacy-policy-english/ Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SkyORB ∞ Astronomy

Explore the universe with an interactive 3D star map, real-time celestial positions, and a 14-day schedule of astronomical events. Identify stars and planets using augmented reality and access detailed information about celestial bodies.

Highlights
  • Interactive 3D star map
  • Real-time celestial positions
  • Augmented Reality (AR) identification
  • 14-day astronomical event schedule
  • Detailed planet and celestial body information
  • Time shift feature for celestial events
Features
Read full description

SkyORB ∞ — The Premium Version of SkyORB Classic SkyORB ∞ is the premium edition of SkyORB Classic, created for users who want the most complete and refined SkyORB experience. It features better sky maps, more advanced 2D and 3D charts, richer astronomy information, improved navigation, and a modern interface for exploring the night sky. Built on more than 20 years of astronomy app development, SkyORB ∞ brings together interactive 2D and 3D sky maps, real-time planet and star positions, Augmented Reality sky identification, detailed Moon and Sun information, astronomy events, Apple Watch support, and a refined interface optimized for the latest Apple devices. SkyORB ∞ is a one-time purchase with no ads, no subscriptions, and no in-app purchases. Every feature is included. ### Why choose SkyORB ∞? SkyORB Classic makes astronomy accessible to everyone. SkyORB ∞ goes further with clearer and more detailed sky maps, improved stereographic and orbit charts, a cleaner interface, deeper sky information, and premium features designed for iPhone, iPad, and Apple Watch. ### Main Features Explore an interactive 3D sky map with stars, planets, constellations, comets, satellites, and deep-sky objects. Navigate redesigned 2D sky and orbit charts with curved labels, clearer constellation names, smart overlap reduction, panning, automatic framing, and detailed satellite and comet trails. Use Augmented Reality to identify stars, planets, and constellations by pointing your device at the sky. Follow the Sun and Moon with rise and set times, moon phases, and daily sky information for your location. Travel through time to see the sky in the past or future and prepare for upcoming celestial events. Check a 14-day astronomy calendar with Moon phases, planetary events, meteor showers, and other sky highlights. Discover detailed information about planets, the Moon, Messier objects, and famous astronomers. Stay connected with Apple Watch support, including quick access to useful astronomy information from your wrist. Enjoy a modern, refined interface designed for recent iPhone and iPad models. ### Premium, Simple, Yours SkyORB ∞ is made for users who want the best version of SkyORB: more complete, more precise, more comfortable to use, and entirely free from ads, subscriptions, and in-app purchases. Whether you are a casual stargazer, an astronomy enthusiast, or a long-time SkyORB user, SkyORB ∞ gives you a powerful and beautiful way to explore the universe. Upgrade from SkyORB Classic to SkyORB ∞ and enjoy the premium way to discover the night sky.

Screenshots

Stellar Catalogue4 screens
SkyORB ∞ Astronomy4 screens

Verdict

The call

The clearest difference is review sentiment: Stellar Catalogue at 100% against SkyORB ∞ Astronomy's 0%. Stellar Catalogue also leads on price (Free vs $2.99) and update cadence (every 2 weeks vs every 2 months). SkyORB ∞ Astronomy's advantage is in-app purchases (none vs 4) and device support (5 vs 3). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Stellar Catalogue is free to download; SkyORB ∞ Astronomy costs $2.99 up front. Stellar Catalogue sells 4 in-app purchases, starting at $2.49 per month. SkyORB ∞ Astronomy asks for nothing beyond the download.

UpkeepUpdate frequency

Stellar Catalogue ships an update every 2 weeks, SkyORB ∞ Astronomy every 2 months. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Stellar Catalogue versus SkyORB ∞ Astronomy: the parameters behind the verdict, then further details
ParameterStellar CatalogueSkyORB ∞ Astronomy
PriceFree — better$2.99
Rating—4.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple TV, Apple Watch — better
Requires iOS15.0 — better15.6
Further details — not scored
Size169 MB303 MB
Age rating4+4+
DeveloperDiego CampagnaroStephane Denis

Customer experience

Stellar Catalogue

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SkyORB ∞ Astronomy

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

4 purchases

Stellar Catalogue

Subscriptions3
  • Monthly subscription$2.491 Month
  • Six months subscription$11.496 Months
  • Annual Subscription$23.491 Year
One-time1
  • PRO Version$12.99
None

SkyORB ∞ Astronomy

No in-app purchases

Questions

Is Stellar Catalogue free?
Stellar Catalogue is free to download, with in-app purchases available.
Is SkyORB ∞ Astronomy free?
SkyORB ∞ Astronomy costs $2.99, with no in-app purchases.
Do Stellar Catalogue or SkyORB ∞ Astronomy have ads?
Neither Stellar Catalogue nor SkyORB ∞ Astronomy shows ads.
Which is updated more often, Stellar Catalogue or SkyORB ∞ Astronomy?
Stellar Catalogue ships an update every 2 weeks, and SkyORB ∞ Astronomy every 2 months. Most recently, Stellar Catalogue was updated on November 3, 2026 and SkyORB ∞ Astronomy on November 3, 2026.

Other comparisons