# Star Chart AR vs Univerzoom 3D

The clearest difference is review sentiment: Univerzoom 3D at 97% against Star Chart AR's 25%. Univerzoom 3D also leads on rating (4.8 vs 3.3) and in-app purchases (none vs 2). Star Chart AR's advantage is price (Free vs $2.99) and iOS requirement (11.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

Star Chart AR is free to download; Univerzoom 3D costs $2.99 up front. Star Chart AR sells 2 one-off in-app purchases. Univerzoom 3D asks for nothing beyond the download.

Univerzoom 3D holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Univerzoom 3D has 289 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 25% of Star Chart AR's written reviews are positive against 97% of Univerzoom 3D's.

Star Chart AR ships an update every 5 weeks, Univerzoom 3D every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Star Chart AR | Univerzoom 3D |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.3 (15 ratings)](https://appshunter.io/ios/app/star-chart-ar/id1397341156/reviews) | **[4.8 (289 ratings)](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156/reviews)** |
| Number of ratings | 15 | **289** |
| Positive reviews | 25.0% of reviews | **97.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 369 MB | 255 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESCAPE VELOCITY LIMITED](https://appshunter.io/developer/331526972) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## What reviewers say

### Star Chart AR

[App page](https://appshunter.io/ios/app/star-chart-ar/id1397341156)

Explore Earth and the solar system in augmented reality. View celestial bodies in real-time through your device's screen, with interactive controls for placement and scaling. Requires an ARKit compatible device.

**Highlights:** Augmented Reality Earth view, Real-time solar system model, AR Orrery in-app upgrade, Tap to place AR objects, Pinch to scale AR objects, ARKit compatibility

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AR Orrery | $2.99 | one-time |
| Night Sky Odyssey | $6.99 | one-time |


### Univerzoom 3D

[App page](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156)

Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.

**Highlights:** Intuitive gesture-based scaling, Explore universe to atomic levels, Compare sizes of diverse objects, Learn facts about celestial bodies, Text-to-Speech for facts, External resource links

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Star Chart AR free?

Star Chart AR is free to download, with in-app purchases available.

### Is Univerzoom 3D free?

Univerzoom 3D costs $2.99, with no in-app purchases.

### Which has better reviews, Star Chart AR or Univerzoom 3D?

Univerzoom 3D is rated higher. Star Chart AR averages 3.3 out of 5 from 15 ratings, while Univerzoom 3D averages 4.8 from 289 ratings.

### Do Star Chart AR or Univerzoom 3D have ads?

Neither Star Chart AR nor Univerzoom 3D shows ads.

### Which is updated more often, Star Chart AR or Univerzoom 3D?

Star Chart AR ships an update every 5 weeks, and Univerzoom 3D every 2 months. Most recently, Star Chart AR was updated on October 24, 2026 and Univerzoom 3D on October 21, 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.*