The Universe (Lite) vs Stars Units Sizes Objects
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Universe (Lite)
Explore astronomy with interactive content, including stunning images and facts about galaxies, stars, and the formation of the universe. This educational tool is designed for users aged 11 and up, offering a kid-friendly overview of outer space.
- Interactive science book
- Stunning photos and videos
- Facts about astronomy
- Kid-friendly design
- Easy navigation
- No ads or in-app purchases
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Explore the universe with stunning photos, videos, and facts! This interactive science book contains a select 8 pages and 28 hi-res full screen images from the full version of the app "Interactive Minds: Universe" ----- TOPICS COVERED ----- Get an overview of astronomy with the following topics: • Sights of the night sky • The universe today • Galaxies • Nebulae • Stars • Formation of the universe ----- KID FRIENDLY ----- Augment your child's school or home-school education with this overview of outer space! • Made for an 11+ audience • Easy to use page navigation and search • NO ads • NO in-app purchases ----- FULL VERSION ----- For a more in depth look at the universe, consider buying the full version. The full version contains an additional 29 pages of content and 50 fullscreen images! ----- LEARN MORE ----- Discover more with our other app: Solar System (Lite)
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 ads: The Universe (Lite) at none against Stars Units Sizes Objects's shown. The Universe (Lite) also leads on update cadence (every 2 weeks vs every 4 months) and monetization model (free vs ad-supported). Stars Units Sizes Objects's advantage is rating (4.3 vs 4.0) and device support (3 vs 1). On price, ratings volume and in-app purchases 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 4.0. Both are backed by a comparable volume of ratings — 11 and 6 respectively.
The Universe (Lite) ships an update every 2 weeks, Stars Units Sizes Objects every 4 months. Both last shipped on November 3, 2026.
| Parameter | The Universe (Lite) | Stars Units Sizes Objects |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (11 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | 11 — better | 6 |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 135 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | Vosonos LLC | Mudarmeen Munlin |
Customer experience
The Universe (Lite)
Stars Units Sizes Objects
In-app purchases
The Universe (Lite)
No in-app purchases
Stars Units Sizes Objects
No in-app purchases
Questions
Is The Universe (Lite) free?
Is Stars Units Sizes Objects free?
Which has better reviews, The Universe (Lite) or Stars Units Sizes Objects?
Do The Universe (Lite) or Stars Units Sizes Objects have ads?
Which is updated more often, The Universe (Lite) or Stars Units Sizes Objects?
Other comparisons
