# Stellarium Mobile vs PseudoPlay

The clearest difference is price: Stellarium Mobile at Free against PseudoPlay's $1.99. Stellarium Mobile also leads on chart position (#63 vs unranked). PseudoPlay's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 5 weeks). On ads and device support there is nothing between them.

Stellarium Mobile is free to download; PseudoPlay costs $1.99 up front. Stellarium Mobile sells 2 in-app purchases, starting at $1.99 per month. PseudoPlay asks for nothing beyond the download.

Stellarium Mobile ships an update every 5 weeks, PseudoPlay every 2 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Stellarium Mobile | PseudoPlay |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (40K ratings)](https://appshunter.io/ios/app/stellarium-mobile-star-map/id1458716890/reviews)** | — |
| Number of ratings | **40K** | — |
| Positive reviews | 84.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#63** | — |
| Size | 456 MB | 20 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Noctua Software Ltd](https://appshunter.io/developer/629435881) | [Daniel Nuno](https://appshunter.io/developer/1756353594) |

## What reviewers say

### Stellarium Mobile

[App page](https://appshunter.io/ios/app/stellarium-mobile-star-map/id1458716890)

**Currently charting:** #63 Top Free · Education (US App Store)

Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.

**Highlights:** Real-time sky simulation, Identify stars, planets, satellites, Constellation shapes and illustrations, Deep sky object catalog, Night mode for eye comfort, Telescope control (Plus)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stellarium PLUS | $1.99 | per month |
| Stellarium PLUS | $18.99 | one-time |

**What reviewers like**

- 🌟 Fabulous star tracking
- 🌌 Detailed night sky information
- 🔭 Helpful for stargazing and astronomy
- 👍 User-friendly interface
- 🌍 Accurate for different locations

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔍 Difficulty finding some objects
- 🌓 Inaccurate moon/planet positions in daylight
- 🔧 Calibration issues with compass
- 💰 Paid version may not justify the cost

**Reported bugs**

- Compass not working properly
- Favorites list disappearing
- Inconsistent performance on different devices

**Requested features**

- Notifications for astronomical events
- More customization options
- Integration with camera for AR overlay
- Better support for telescopes and mounts
- Improved search and navigation


### PseudoPlay

[App page](https://appshunter.io/ios/app/pseudoplay/id6755493697)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stellarium Mobile free?

Stellarium Mobile is free to download, with in-app purchases available.

### Is PseudoPlay free?

PseudoPlay costs $1.99, with no in-app purchases.

### Do Stellarium Mobile or PseudoPlay have ads?

Neither Stellarium Mobile nor PseudoPlay shows ads.

### Which is updated more often, Stellarium Mobile or PseudoPlay?

Stellarium Mobile ships an update every 5 weeks, and PseudoPlay every 2 days. Most recently, Stellarium Mobile was updated on November 10, 2026 and PseudoPlay on November 5, 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.*