# Stellar Catalogue vs PhysicsEase

The clearest difference is in-app purchases: PhysicsEase at none against Stellar Catalogue's 4. PhysicsEase also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Stellar Catalogue sells 4 in-app purchases, starting at $2.49 per month. PhysicsEase asks for nothing beyond the download.

Stellar Catalogue ships an update every 2 weeks, PhysicsEase every 2 days. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Stellar Catalogue | PhysicsEase |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diego Campagnaro](https://appshunter.io/developer/1603976167) | [Edoardo Beldiman](https://appshunter.io/developer/1847675888) |

## 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 |


### PhysicsEase

[App page](https://appshunter.io/ios/app/physicsease/id6754287207)

**Features:** macOS Compatibility, 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 PhysicsEase free?

PhysicsEase is free to download, with no in-app purchases.

### Do Stellar Catalogue or PhysicsEase have ads?

Neither Stellar Catalogue nor PhysicsEase shows ads.

### Which is updated more often, Stellar Catalogue or PhysicsEase?

Stellar Catalogue ships an update every 2 weeks, and PhysicsEase every 2 days. Most recently, Stellar Catalogue was updated on October 14, 2026 and PhysicsEase on October 15, 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.*