Comparison

Galaxy Map vs Ace SJT (Air Force)

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

Head to head
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.

About

Ace SJT (Air Force)

Prepare for the USAF Promotion Fitness Exam's Situational Judgment Test with over 600 practice questions. This app covers 24 foundational competencies and provides detailed explanations for correct answers, flashcards, quizzes, and timed mock exams. Compete with other Airmen nationwide on the leaderboard.

Highlights
  • 600+ practice questions
  • Covers 24 Air Force competencies
  • Detailed answer explanations
  • Flashcards, quizzes, mock exams
  • Timed practice tests
  • Nationwide leaderboard
Features
Read full description

Ace SJT prepares Airmen for the Situational Judgment Test section of the USAF Promotion Fitness Exam (PFE), required for promotion to Staff (E5) and Tech (E6) Sergeant. The app references 24 foundational competencies from AFH 36-2647 to simulate the SJT section of the PFE (25 points). Why use Ace SJT over other apps? 1. 600+ practice questions covering all 24 Air Force foundational competencies. 2. Correct answer choices explained in detail. 3. Prepare with flash cards, quizzes, and mock exams (20 timed questions; 1.25 points each). 4. Our leaderboard assigns you an alias to compare your score with other Airmen nationwide! Need AFH1 prep, too? Download our Ace PDG+SJT app instead for a complete solution. Privacy Policy: https://acemilitaryapps.com/privacy-policy?app=sjt Terms & Conditions: https://acemilitaryapps.com/terms-and-condition?app=sjt

Screenshots

Galaxy Map4 screens
Ace SJT (Air Force)4 screens

Verdict

The call

The clearest difference is price: Galaxy Map at Free against Ace SJT (Air Force)'s $9.99. Galaxy Map also leads on ratings volume (612 vs 2). Ace SJT (Air Force)'s advantage is in-app purchases (none vs 13) and ads (none vs shown). On update cadence and device support 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

Galaxy Map is free to download; Ace SJT (Air Force) costs $9.99 up front. Galaxy Map sells 13 one-off in-app purchases. Ace SJT (Air Force) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ace SJT (Air Force) holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Galaxy Map has 612 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Galaxy Map ships an update every 3 weeks, Ace SJT (Air Force) fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Galaxy Map versus Ace SJT (Air Force): the parameters behind the verdict, then further details
ParameterGalaxy MapAce SJT (Air Force)
PriceFree — better$9.99
Rating4.6 (612 ratings)5.0 (2 ratings) — better
Positive reviews79.8% of reviews—
Number of ratings612 — better2
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.4 — better
Further details — not scored
Size655 MB20 MB
Age rating4+17+
DeveloperAndrei NistorescuAce Military Apps LLC

Customer experience

Galaxy Map

All ratings611 ratings
Positive91.2%
Neutral3.9%
Negative4.9%
Written reviews104 reviews
Positive79.8%
Neutral6.7%
Negative13.5%

Ace SJT (Air Force)

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

Bugs and 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

Ace SJT (Air Force)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
  • Ultimate bundle - SALE$4.99
  • Essentials bundle$4.99
  • Ultimate bundle$8.99
None

Ace SJT (Air Force)

No in-app purchases

Questions

Is Galaxy Map free?
Galaxy Map is free to download, with in-app purchases available.
Is Ace SJT (Air Force) free?
Ace SJT (Air Force) costs $9.99, with no in-app purchases.
Which has better reviews, Galaxy Map or Ace SJT (Air Force)?
Ace SJT (Air Force) is rated higher. Galaxy Map averages 4.6 out of 5 from 612 ratings, while Ace SJT (Air Force) averages 5.0 from 2 ratings.
Do Galaxy Map or Ace SJT (Air Force) have ads?
Galaxy Map shows ads; Ace SJT (Air Force) does not.
Which is updated more often, Galaxy Map or Ace SJT (Air Force)?
Galaxy Map ships an update every 3 weeks, and Ace SJT (Air Force) fortnightly. Most recently, Galaxy Map was updated on October 26, 2026 and Ace SJT (Air Force) on October 24, 2026.

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