Comparison

Jupiter vs Stars Units Sizes Objects

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Jupiter

Explore Jupiter with stunning images and scientific insights from NASA's Juno mission. Features an immersive slideshow, interactive 3D models, and a dynamic video library for a deep-space educational experience.

Highlights
  • High-definition Jupiter images
  • Scientific insights for each image
  • Immersive full-screen slideshow
  • Dynamic video library
  • Interactive 3D models of Jupiter
  • Haptic feedback
Features
Read full description

Discover Jupiter Like Never Before. With "Jupiter: Juno," the secrets of the solar system's largest planet are now at your fingertips. Built with the latest data from NASA’s groundbreaking Juno mission, this app offers a deeply immersive and educational experience for space enthusiasts, students, and curious minds alike. Experience a premium interface redesigned for the modern age, featuring glassmorphism aesthetics, haptic feedback, and a seamless journey through deep space. CORE FEATURES: Breathtaking Discovery: Browse through a curated collection of hundreds of high-definition photos. Each image comes with detailed scientific insights, allowing you to understand the storms, gravity, and magnetic fields of Jupiter. Immersive SlideShow: Let the beauty of the cosmos take over. Our full-screen slideshow mode makes you feel like you are in orbit, witnessing the giant’s vibrant clouds and swirling eddies in real-time. Dynamic Video Library: Watch mission highlights and scientific visualizations. Our new hybrid video system delivers crystal-clear footage with a modern, intuitive player designed for deep-space exploration. Interactive Gallery: Zoom into the finest details of Jupiter’s landscape. Our high-performance gallery allows you to examine every vortex and cloud band with pinpoint precision. 3D Space Exploration: Step into a new dimension. Explore interactive 3D models of Jupiter and the Juno spacecraft to understand the engineering and scale of this historic mission. Premium User Experience: Feel the mission with integrated haptic feedback and a sleek, dark-themed design that puts the focus where it belongs: on the beauty of space. Why Jupiter: Juno? We aim to bridge the gap between complex space research and your mobile device. Whether you are here for the stunning visuals or the scientific transcripts, "Jupiter: Juno" provides a compact, powerful, and beautiful way to explore the frontier of human discovery. Ad Astra!

About

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.

Highlights
  • 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
Features
Read full description

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

Jupiter4 screens
Stars Units Sizes Objects4 screens

Verdict

The call

The clearest difference is rating: Jupiter at 5.0 against Stars Units Sizes Objects's 4.2. Stars Units Sizes Objects's advantage is update cadence (every 4 months vs every 58 months) and iOS requirement (11.0 vs 16.0). On price, ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Jupiter holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

UpkeepUpdate frequency

Jupiter ships an update every 58 months, Stars Units Sizes Objects every 4 months. The most recent releases landed on September 11, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
Jupiter versus Stars Units Sizes Objects: the parameters behind the verdict, then further details
ParameterJupiterStars Units Sizes Objects
PriceFreeFree
Rating5.0 (2 ratings) — better4.2 (5 ratings)
Positive reviews—80.0% of reviews
Number of ratings25 — better
Update frequencyEvery 58 monthsEvery 4 months — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.011.0 — better
Further details — not scored
Size153 MB124 MB
Age rating9+4+
DeveloperAlparslan TopbasMudarmeen Munlin

Customer experience

Jupiter

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Stars Units Sizes Objects

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Jupiter

No in-app purchases

None

Stars Units Sizes Objects

No in-app purchases

Questions

Is Jupiter free?
Jupiter is free to download, with no in-app purchases.
Is Stars Units Sizes Objects free?
Stars Units Sizes Objects is free to download, with no in-app purchases.
Which has better reviews, Jupiter or Stars Units Sizes Objects?
Jupiter is rated higher. Jupiter averages 5.0 out of 5 from 2 ratings, while Stars Units Sizes Objects averages 4.2 from 5 ratings.
Do Jupiter or Stars Units Sizes Objects have ads?
Both Jupiter and Stars Units Sizes Objects show ads.
Which is updated more often, Jupiter or Stars Units Sizes Objects?
Jupiter ships an update every 58 months, and Stars Units Sizes Objects every 4 months. Most recently, Jupiter was updated on September 11, 2026 and Stars Units Sizes Objects on September 7, 2026.

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