# Stellar Catalogue vs SkyORB ∞ Astronomy

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.

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.

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

## The numbers

| Metric | Stellar Catalogue | SkyORB ∞ Astronomy |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/skyorb-astronomy/id1625985880/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 169 MB | 303 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Diego Campagnaro](https://appshunter.io/developer/1603976167) | [Stephane Denis](https://appshunter.io/developer/295455703) |

## What reviewers say

### Stellar Catalogue

[App page](https://appshunter.io/ios/app/stellar-catalogue/id1603976015)

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:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.49 | per month |
| Six months subscription | $11.49 | per 6 months |
| Annual Subscription | $23.49 | per year |
| PRO Version | $12.99 | one-time |


### SkyORB ∞ Astronomy

[App page](https://appshunter.io/ios/app/skyorb-astronomy/id1625985880)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*