Star Chart AR vs Univerzoom 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Star Chart AR
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.
- 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
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Star Chart AR lets you explore the Earth in Augmented Reality through the window of your phone's screen. All in real time! *** ARKit compatible device required to experience AR Modes *** Included in Star Chart AR are: - AR Earth - the Earth beautifully rendered in realtime for AR viewing - AR Orrery - the solar system including the sun, planets, major moons, dwarf planets, asteroid & kuiper belts, and major asteroids (available as an in-app upgrade) Star Chart AR is best experienced with ample room and good lighting. We like to view it outdoors when scaled to maximum size or on a large clear table when scaled down. Move your device in a circular motion while looking at the surface you would like the device to detect. An overlay will appear on the detected surface and fade out after a few seconds. Tap to place the AR object on a detected surface. Controls are: - Tap to place the AR object - Pinch to scale the AR object - Two finger tap to go back * ARKit supported devices: All iPhone models from iPhone 6s and above are supported as well as the iPhone SE. All iPad Pros and the standard 2017 iPad model is also supported.
Univerzoom 3D
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.
- 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
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This app gives you the superpower to scale the entire universe with a swipe of your fingers! Zoom out faster than light and see the cosmos from a whole new perspective. Compare the biggest objects to the tiniest and get a true sense of size. ZOOM • Control the scale with simple gestures • Zoom out billions of light years to the edge of the visible universe • Zoom in to microscopic dimensions, down to atoms and beyond • Easy for anyone to use — from kids to grandparents DISCOVER • Explore the scale of the universe and the microcosmos • Compare stars, planets, rockets, telescopes, animals, and everyday objects • Understand how our Sun measures up to other stars LEARN • Find stunning facts about selected objects, or let them be read aloud via Text-to-Speech • Access trusted external sources for deeper exploration • Perfect for curious minds, students, and science fans Download now and experience the universe like never before!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Star Chart AR | Univerzoom 3D |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 3.3 (15 ratings) | 4.8 (289 ratings) — better |
| Positive reviews | 25.0% of reviews | 97.3% of reviews — better |
| Number of ratings | 15 | 289 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 369 MB | 255 MB |
| Age rating | 4+ | 4+ |
| Developer | ESCAPE VELOCITY LIMITED | Linda Schnetzinger |
Customer experience
Star Chart AR
Univerzoom 3D
In-app purchases
Star Chart AR
- AR Orrery$2.99
- Night Sky Odyssey$6.99
Univerzoom 3D
No in-app purchases
Questions
Is Star Chart AR free?
Is Univerzoom 3D free?
Which has better reviews, Star Chart AR or Univerzoom 3D?
Do Star Chart AR or Univerzoom 3D have ads?
Which is updated more often, Star Chart AR or Univerzoom 3D?
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