Cosmology vs Univerzoom 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosmology
Explore the universe with stunning high-resolution images of celestial bodies. Journey through space, visiting planets and their moons, while learning about the evolution of space, time, and matter. Ponder the profound mysteries of existence.
- High-resolution images of planets, nebulae, and galaxies
- Interactive space travel to planets and moons
- Learn about the evolution of space, time, and matter
- Expert narration by Dr. Aaron Day
- Exploration of existential mysteries of the universe
Read full descriptionHide full description
Explore the universe with 100s of high resolution images of planets, nebulae, galaxies, and more. Travel through space, visiting every planet and their major moons. Learn about the creation of space, time, and matter, and their evolution into stars, galaxies, and planets in the present day. Ponder the deep, existential mysteries of the universe. The story of creation is told by Dr. Aaron Day. Dr. Day earned his Ph.D. at the University of California, San Diego for research in cosmology.
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
Read full descriptionHide full description
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 price: Cosmology at Free against Univerzoom 3D's $2.99. Cosmology also leads on iOS requirement (11.0 vs 15.0). Univerzoom 3D's advantage is chart position (#178 vs unranked) and review sentiment (97% vs 89%). On rating, ratings volume, update cadence and ads 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
Cosmology is free to download; Univerzoom 3D costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for Cosmology against 4.8 for Univerzoom 3D. Both are backed by a comparable volume of ratings — 505 and 289 respectively. Written reviews are what separate them: 89% of Cosmology's written reviews are positive against 97% of Univerzoom 3D's.
Cosmology ships an update monthly, Univerzoom 3D every 2 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.
| Parameter | Cosmology | Univerzoom 3D |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.7 (505 ratings) | 4.8 (289 ratings) — better |
| Positive reviews | 88.6% of reviews | 97.3% of reviews — better |
| Number of ratings | 505 — better | 289 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #178 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 190 MB | 255 MB |
| Age rating | 4+ | 4+ |
| Developer | Aaron Day | Linda Schnetzinger |
Customer experience
Cosmology
Univerzoom 3D
Bugs and requests
Cosmology
Reported bugs
2 issues- Image display interference/hacking concerns
- App feels incomplete in certain sections
Requested features
6 requests- More interactive activities and engagement features
- Text-to-speech functionality
- More detailed explanations for beginner-level users
- Additional sub-categories and content sections
- Regular updates with current astronomical images
Show 1 moreShow fewer
- Alternative cosmological perspectives or viewpoints
Univerzoom 3D
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cosmology
No in-app purchases
Univerzoom 3D
No in-app purchases
Questions
Is Cosmology free?
Is Univerzoom 3D free?
Which has better reviews, Cosmology or Univerzoom 3D?
Do Cosmology or Univerzoom 3D have ads?
Which is updated more often, Cosmology or Univerzoom 3D?
Other comparisons
