Comparison

Solar System Scope vs Space Quiz Trivia

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

Head to head
About

Solar System Scope

Explore and discover the solar system and outer space with realistic 3D visualizations and detailed celestial simulations. This app offers an educational and engaging experience for all ages, featuring a comprehensive encyclopedia and a night sky observatory.

Highlights
  • 3D Encyclopedia of celestial bodies
  • Realistic 3D visualizations
  • Night sky observatory with time simulation
  • Accurate orbital parameter calculations
  • High-quality planetary and moon maps
  • Multilingual support
Features
Read full description

Solar System Scope is a fun way of Exploring, Discovering and Playing with the Solar System and Outer Space. Solar System Scope (or just Solar) contains many views and celestial simulations, but most of all - it brings you closer to the furthest reaches of our world and lets you experience lots of fantastic space sceneries. It aspires to be the most illustrative, easy to understand and simple to use space model. - 3D Encyclopedia In Solar’s unique encyclopedia you will find the most interesting facts about every planet, dwarf planet, every major moon and more – and everything is accompanied by realistic 3D visualizations. Solar’s encyclopedia is available in 10 languages: English, Spanish, German, Russian, Italian, Korean and Slovak. More languages are coming soon! - Nightsky Observatory Enjoy Stars and constellation of the night sky as viewed from any given location on Earth. You can point your device at the sky to see all objects in their proper place, but you can also simulate Night sky in the past or in the future. Now with advanced options that let you simulate ecliptic, equatorial and azimuthal line, or grid (among other things). - Scientific Instrument Solar System Scope calculations are based on up-to-date orbital parameters published by NASA and let you simulate celestial positions at any given time. - For Everyone Solar System Scope is well suited for all audiences and ages: It is enjoyed by space enthusiasts, teachers, scientists, but Solar is successfully used even by children of 4+ years of age! - Unique Maps We are proud to present a very unique set of planetary and moon maps, that let you experience a true-color space as never before. These accurate maps are based on NASA elevation and imagery data. Colors and shades of the textures are tuned according to true-color photos made by Messenger, Viking, Cassini and New Horizon spacecrafts, and the Hubble Space Telescope. Basic resolution of these maps is for free – but if you would like the best experience, you can check out the highest quality, which is available with In-App purchase. - Join our vision Our vision is to build the ultimate space model and bring you the deepest space experience. And you can help - try Solar System Scope and if you like it, spread the word! And don’t forget to join the community and vote for new features on our homepage.

About

Space Quiz Trivia

Test your knowledge of space with this educational trivia app. Explore planets, stars, and missions in practice or timed modes. Aim for a high score to become a space expert.

Highlights
  • Cosmic knowledge testing
  • Explore planets, stars, galaxies
  • Practice mode
  • Timed test mode
  • Score tracking
  • Space mission trivia
Features
Read full description

Explore the cosmos with "Space Quiz Trivia" - the ultimate app for testing your knowledge of the universe! Dive into planets, stars, galaxies, and space missions in two thrilling modes: practice at your own pace or race against time. Score 75% or above in the test mode to become a true space expert. Embark on an out-of-this-world journey and discover the wonders of the cosmos with "Space Quiz Trivia"! No intrusive ads, you decide when to watch sponsored content!

Screenshots

Solar System Scope4 screens
Space Quiz Trivia4 screens

Verdict

The call

The clearest difference is review sentiment: Solar System Scope at 76% against Space Quiz Trivia's 0%. Solar System Scope also leads on rating (4.4 vs 1.3) and ads (none vs shown). Space Quiz Trivia's advantage is in-app purchases (none vs 1). On price, update cadence, device support and iOS requirement 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. Solar System Scope sells 1 one-off in-app purchase. Space Quiz Trivia asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Solar System Scope holds the better App Store score, 4.4 against 1.3. That said, the two scores are not equally well evidenced: Solar System Scope has 882 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 76% of Solar System Scope's written reviews are positive against 0% of Space Quiz Trivia's.

UpkeepUpdate frequency

Solar System Scope ships an update every 4 months, Space Quiz Trivia every 3 months. The most recent releases landed on September 22, 2026 and September 7, 2026 respectively.

Scorecard6 real differences · 4 level
Solar System Scope versus Space Quiz Trivia: the parameters behind the verdict, then further details
ParameterSolar System ScopeSpace Quiz Trivia
PriceFreeFree
Rating4.4 (882 ratings) — better1.3 (3 ratings)
Positive reviews76.4% of reviews — better0.0% of reviews
Number of ratings882 — better3
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size154 MB56 MB
Age rating4+4+
DeveloperINOVE, s.r.o.Blue Castle Studios

Customer experience

Solar System Scope

All ratings882 ratings
Positive83.7%
Neutral4.5%
Negative11.8%
Written reviews237 reviews
Positive76.4%
Neutral6.3%
Negative17.3%

Space Quiz Trivia

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Solar System Scope

Reported bugs

4 issues
  • Crashes when dragging Jupiter
  • Upside-down orientation on tablets
  • Unable to restore purchases
  • Freezes and crashes on launch

Requested features

5 requests
  • Add more celestial bodies (Messier objects, Planet 9/10, black holes, etc.)
  • Enable exploration of other galaxies and deep space objects
  • Improve telescope/zoom functionality
  • Add more moons and irregular satellites
  • Implement continental drift and solar system evolution

Space Quiz Trivia

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Solar System Scope

One-time1
  • HQ Textures / No Ads$5.99
None

Space Quiz Trivia

No in-app purchases

Questions

Is Solar System Scope free?
Solar System Scope is free to download, with in-app purchases available.
Is Space Quiz Trivia free?
Space Quiz Trivia is free to download, with no in-app purchases.
Which has better reviews, Solar System Scope or Space Quiz Trivia?
Solar System Scope is rated higher. Solar System Scope averages 4.4 out of 5 from 882 ratings, while Space Quiz Trivia averages 1.3 from 3 ratings.
Do Solar System Scope or Space Quiz Trivia have ads?
Space Quiz Trivia shows ads; Solar System Scope does not.
Which is updated more often, Solar System Scope or Space Quiz Trivia?
Solar System Scope ships an update every 4 months, and Space Quiz Trivia every 3 months. Most recently, Solar System Scope was updated on September 22, 2026 and Space Quiz Trivia on September 7, 2026.

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