Exoplanets vs Earth vs Stars Units Sizes Objects
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Exoplanets vs Earth
Explore and compare known exoplanets to Earth. Visualize their characteristics and potential appearances. This educational app offers a unique perspective on planetary science.
- Browse known exoplanets
- Search exoplanet database
- Visualize exoplanet data
- Compare exoplanets to Earth
- View potential exoplanet appearances
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Browse, search, and visualize all of the known Exoplanets. See how they stack up against Earth and what they might look like.
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: Exoplanets vs Earth at none against Stars Units Sizes Objects's shown. Exoplanets vs Earth also leads on review sentiment (100% vs 80%) and monetization model (free vs ad-supported). On price, rating, 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.
On the App Store both sit at effectively the same score — 4.3 for Exoplanets vs Earth against 4.2 for Stars Units Sizes Objects. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews are what separate them: 100% of Exoplanets vs Earth's written reviews are positive against 80% of Stars Units Sizes Objects's.
| Parameter | Exoplanets vs Earth | Stars Units Sizes Objects |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (7 ratings) — better | 4.2 (5 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 7 — better | 5 |
| Update frequency | — | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 101 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | zakk hoyt | Mudarmeen Munlin |
Customer experience
Exoplanets vs Earth
Stars Units Sizes Objects
In-app purchases
Exoplanets vs Earth
No in-app purchases
Stars Units Sizes Objects
No in-app purchases
Questions
Is Exoplanets vs Earth free?
Is Stars Units Sizes Objects free?
Which has better reviews, Exoplanets vs Earth or Stars Units Sizes Objects?
Do Exoplanets vs Earth or Stars Units Sizes Objects have ads?
Other comparisons
