Cozmic Zoom Lite vs Stars Units Sizes Objects
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cozmic Zoom Lite
Explore the universe from the smallest particles to distant galaxies. This free version offers a journey through scientific data, learning facts about astronomy, biology, and physics. Discover the cosmos with simple finger swipes.
- Cosmic scale exploration
- Scientific data based
- Learn astronomy facts
- Learn biology facts
- Learn physics facts
- Interactive journey
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The whole universe in your hand! This is the free version of Cozmic Zoom. Some features are only available in the full version. Cozmic Zoom is a fascinating insight into the cosmos, between the infinitely large and the infinitely small. Based on accurate scientific data from the best sources, Cozmic Zoom will take you on a journey through the world of particles and atoms, the cells of the human body, the planet Earth and the Solar System, the stars and the Milky Way, the distant galaxies, up to the edges of the known universe, with a simple swipe of the finger. While enjoying the trip, you can also learn amazing facts and improve your knowledge about astronomy, biology, cosmology, physics, space, and much more. Cozmic Zoom was inspired, among others, by the famous documentary film Powers of Ten. “Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.” ― Carl Sagan Come on, let's sail to the stars... To infinity... and beyond!
Stars Units Sizes Objects
Explore the vastness of the universe, from the smallest particles to the largest cosmic structures. Compare object sizes, view detailed images, and perform unit conversions across a wide range of astronomical scales. Learn about stars, galaxies, and the incredible distances between them.
- Compare object sizes
- View object images
- Pinch/Zoom and Pan images
- Unit conversion for distances
- Explore scales from Planck length to observable universe
- Learn about stars and galaxies
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Size of the smallest to largest objects and stars. Compare the size of objects in the universe. Object images. Pinch/Zoom image. Pan/Move image. Rotate image. Double tap to reset an image. From the smallest to the largest one. From planck length to observable universe. From Yoctometre, Zeptometre, Attometre, Femtometre, Picometre, Nanometre, Micro, Millimetre, Centimetre, Metre, KiloMetre, Lightyear, Parsecs, Billion Lightyears to 93 Billion Lightyears. Size of objects, particles, atoms, cells, stars and galaxies. Get to know the stars. Get to know the spaces. get to know the universe. How small is this world. How big is the universe. And How great is the creator. How far is the star distance from earth. Two way 18 distance unit conversion. planck length, yoctometer, zeptometer, attometer, femtometer, picometre, nanometre, micrometre, Millimeter, Centimeter, Meter, Kilometer, Inch, Foot, Mile, Astronomical, Lightyear, Parsecs. Perform auto conversion when picker is changed. Share conversion result. Reset unit convertor.
Screenshots
Verdict
The clearest difference is review sentiment: Stars Units Sizes Objects at 80% against Cozmic Zoom Lite's 35%. Stars Units Sizes Objects also leads on rating (4.3 vs 3.0) and update cadence (every 4 months vs every 23 months). Cozmic Zoom Lite's advantage is ads (none vs shown) and ratings volume (87 vs 6). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Stars Units Sizes Objects holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Cozmic Zoom Lite has 87 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 35% of Cozmic Zoom Lite's written reviews are positive against 80% of Stars Units Sizes Objects's.
Cozmic Zoom Lite ships an update every 23 months, Stars Units Sizes Objects every 4 months. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | Cozmic Zoom Lite | Stars Units Sizes Objects |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (87 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | 34.6% of reviews | 80.0% of reviews — better |
| Number of ratings | 87 — better | 6 |
| Update frequency | Every 23 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 60 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Godeau | Mudarmeen Munlin |
Customer experience
Cozmic Zoom Lite
Stars Units Sizes Objects
In-app purchases
Cozmic Zoom Lite
No in-app purchases
Stars Units Sizes Objects
No in-app purchases
Questions
Is Cozmic Zoom Lite free?
Is Stars Units Sizes Objects free?
Which has better reviews, Cozmic Zoom Lite or Stars Units Sizes Objects?
Do Cozmic Zoom Lite or Stars Units Sizes Objects have ads?
Which is updated more often, Cozmic Zoom Lite or Stars Units Sizes Objects?
Other comparisons
