Comparison

Space Knowledge Quiz vs Galaxy Map

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

Head to head
About

Space Knowledge Quiz

Test your knowledge of planets, galaxies, and space exploration with thousands of multiple-choice questions. Earn badges, track progress, and compete with friends. Ideal for students and trivia enthusiasts curious about the cosmos.

Highlights
  • Thousands of astronomy questions
  • Multiple-choice format
  • Progress tracking and statistics
  • Multiplayer mode
  • Timed tests for exam prep
  • Regular updates with new content
Features
Read full description

Do you know what causes a solar eclipse? Can you name all eight planets? Space Knowledge Quiz challenges you with thousands of questions covering astronomy, space exploration and general science. Explore chapters on planets, moons, galaxies, black holes, rockets, scientific exploration missions and the history of space. Answer multiple‑choice questions, earn badges and track your progress in detailed statistics. Compete with friends in multiplayer mode, take timed tests for exam preparation when you’re on the go. The app is updated regularly with new questions and scientific facts. Perfect for students, trivia lovers and anyone curious about the cosmos. This application is licensed under Apple’s Standard End User License Agreement (EULA), available here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Credits:- App Icons are used from icons8 https://icons8.com Pictures, App sounds and music are used from pixabay https://pixabay.com/

About

Galaxy Map

Explore the Milky Way and Andromeda galaxies in an interactive 3D map. Discover nebulae, supernovae, and planets, with stunning visuals based on NASA data. Ideal for education and space enthusiasts.

Highlights
  • Interactive 3D galaxy map
  • Explore nebulae and supernovae
  • Fly through planetary atmospheres
  • Land on planets
  • Based on NASA data
  • Available in 100+ languages
Features
Read full description

The galaxy map is an interactive map of the Milky Way galaxy, Andromeda and their satellite galaxies. Explore the Orion Arm's nebulae and supernovae from the comfort of your spaceship. Fly through the atmosphere of Mars and many other planets and you can even land on them. Discover the galaxy in a stunning three dimensional map based on NASA's artistic impression of the Milky Way galactic structure. Photos are taken by NASA spacecraft and ground based telescopes like Hubble Space Telescope, Chandra X-Ray, Herschel Space Observatory and the Spitzer Space Telescope. This interactive 3D map is excellent for teachers to use for instruction, and it is a great astronomy resource for students to explore the Milky Way galaxy and space as they learn more about the universe we live in. Available in over 100 languages! You can also From the outskirts of the galaxy, in the Norma-Outer spiral arm to the galactic center's supermassive black hole Sagittarius A*, discover a galaxy full of amazing facts. Notable structures included: the Pillars of Creation, Helix Nebula, the Engraved Hourglass Nebula, the Pleiades, the Orion Arm (where the solar system and the Earth are located) with its Orion belt. Check out neighboring dwarf galaxies such as Sagittarius and the Canis Major Overdensity, stellar streams as well as internal galactic components such as a variety of nebulae, star clusters or supernovae. Explore space and get a little closer to our wonderful universe with this awesome astronomy app! The Galaxy Map requires internet access to retrieve information from the wiki.

Screenshots

Space Knowledge Quiz4 screens
Galaxy Map4 screens

Verdict

The call

The clearest difference is ratings volume: Galaxy Map at 600 against Space Knowledge Quiz's 11. Galaxy Map also leads on update cadence (every 5 weeks vs every 4 months) and review sentiment (80% vs 67%). On price, rating, 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. Space Knowledge Quiz sells 7 in-app purchases, starting at $1.99 per 7 days and Galaxy Map sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Space Knowledge Quiz against 4.6 for Galaxy Map. That said, the two scores are not equally well evidenced: Galaxy Map has 600 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 67% of Space Knowledge Quiz's written reviews are positive against 80% of Galaxy Map's.

UpkeepUpdate frequency

Space Knowledge Quiz ships an update every 4 months, Galaxy Map every 5 weeks. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 7 level
Space Knowledge Quiz versus Galaxy Map: the parameters behind the verdict, then further details
ParameterSpace Knowledge QuizGalaxy Map
PriceFreeFree
Rating4.6 (11 ratings)4.6 (600 ratings)
Positive reviews66.7% of reviews80.0% of reviews — better
Number of ratings11600 — better
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size127 MB613 MB
Age rating4+4+
DeveloperAsad ShoaibAndrei Nistorescu

Customer experience

Space Knowledge Quiz

All ratings11 ratings
Positive90.9%
Neutral9.1%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Galaxy Map

All ratings600 ratings
Positive91.0%
Neutral4.0%
Negative5.0%
Written reviews100 reviews
Positive80.0%
Neutral7.0%
Negative13.0%

Bugs and requests

Space Knowledge Quiz

Not enough reviews yet to summarise bugs or requests.

Galaxy Map

Reported bugs

9 issues
  • App crashes on startup
  • Explore button shows nothing
  • Pinch-to-zoom doesn't work
  • App won't load on iPad
  • Text displays as boxes in language settings
Show 4 more
  • Mars moon orbital speed incorrect
  • App kicks users out during exploration
  • Loading issues and incomplete functionality
  • Inconsistent performance across platforms

Requested features

18 requests
  • Search button to find galaxies and objects
  • More diverse and realistic black hole designs
  • AR feature to identify stars/planets in real sky
  • More free content and objects
  • Exoplanet additions (TRAPPIST-1e, J1407B)
Show 13 more
  • Ability to click on stars within galaxies for details
  • Generated planets around stars
  • Sandbox/creation mode for user-generated content
  • Animation for Milky Way and Andromeda
  • More galaxy variety in the app
  • Coordinates filter for objects
  • Space-Engine style gameplay
  • Flying through galaxies feature
  • More female character customization options
  • VIP version option
  • Brown dwarfs addition
  • Photosphere viewing mode
  • More detailed star information

In-app purchases

7 purchases

Space Knowledge Quiz

Subscriptions3
  • Pro - No Ads & Unlock Topics$1.997 Days
  • Pro - No Ads & Unlock Topics$5.991 Month
  • Pro - No Ads & Unlock Topics3 Days trial$19.991 Year
One-time4
  • Half Eliminator$0.99
  • Reset Timer$0.99
  • Unlock Topics$0.99
Show 1 more
  • Remove Ads$2.99
13 purchases

Galaxy Map

One-time13
  • Buy ship - Alien Destroyer$0.99
  • Buy ship - Alien fighter$0.99
  • Remove ads$1.99
Show 10 more
  • Buy ship - Alien Destroyer$1.99
  • Buy ship - Alien fighter$1.99
  • 3D Visualization Pack$1.99
  • Buy ship - Dragon Frigate$1.99
  • Essentials bundle - SALE$2.99
  • Remove ads$3.99
  • 3D Visualization Pack$3.99
  • Essentials bundle$4.99
  • Ultimate bundle - SALE$7.99
  • Ultimate bundle$12.99

Questions

Is Space Knowledge Quiz free?
Space Knowledge Quiz is free to download, with in-app purchases available.
Is Galaxy Map free?
Galaxy Map is free to download, with in-app purchases available.
Which has better reviews, Space Knowledge Quiz or Galaxy Map?
Space Knowledge Quiz and Galaxy Map are both rated 4.6 out of 5 on the App Store, from 11 and 600 ratings respectively.
Do Space Knowledge Quiz or Galaxy Map have ads?
Both Space Knowledge Quiz and Galaxy Map show ads.
Which is updated more often, Space Knowledge Quiz or Galaxy Map?
Space Knowledge Quiz ships an update every 4 months, and Galaxy Map every 5 weeks. Most recently, Space Knowledge Quiz was updated on September 8, 2026 and Galaxy Map on September 24, 2026.

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