Comparison

Space 4D+ vs DIY Solar System

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

Head to head
About

Space 4D+

Explore the wonders of space with augmented reality flashcards. This app brings planets, satellites, and space missions to life with interactive 3D models and informative facts. Experience space like never before, engaging for both children and adults.

Highlights
  • Augmented reality space exploration
  • Interactive 3D models of celestial bodies
  • Informative facts about planets and missions
  • Engaging for all ages
  • Scans printed space cards
Read full description

Flashcards are no longer boring with Octagon 4D+. Created by Octagon Studio, Space 4D+ is a fast and lightweight app that allows you to scan the printed space cards and witness how the space come alive right before your eyes! Space 4D+ gives you both interesting and informative facts in AR mode about space such as Solar System, Planets, Space objects, Satellites, Rovers, Space Missions Etc. The Space 4D+ app brings you a new way of seeing space in Augmented Reality. This gives you an unforgettable experience and will always leave a smile on the faces of children and adults alike. Get in touch with our support team faster! You can post questions about the app, ask for help with an issue, or give us feedback here: info@octagonstudio.com --- Grab the flashcards on https://octagon.studio/octagon-linktree/

About

DIY Solar System

Explore the solar system with interactive activities and an augmented reality planet walk. Learn about space travel, design a moon base, and identify celestial objects. Developed by leading science institutions, this app makes learning about space engaging for families and educators.

Highlights
  • Interactive space activities
  • Augmented reality planet walk
  • Design a moon base
  • Grow a space garden
  • Control a Mars rover
  • In or Out space game
  • NASA imagery
Features
Read full description

DIY Solar System makes it easy for families and educators to explore the solar system from anywhere, anytime! The app was developed by the Children’s Creativity Museum, Sciencenter, and Museum of Life and Science, in partnership with UC Berkeley’s The Lawrence Hall of Science. INTERACTIVE ACTIVITIES DIY Solar System includes 11 easy-to-use activities to learn about space travel, living in space, and the unique objects that make up the planetary system we call home. Design a Moon base, grow your own space garden, or experience what it’s like to control a rover on Mars! Each activity includes step-by-step instructions that have been tested by educators, kids, and families. Activity materials are easily available and inexpensive—you may already have many of them in your home! AUGMENTED REALITY PLANET WALK Don’t have the time to travel several billion miles to reach Neptune? Try dropping a scale version of the solar system outside your home to start a walk that will show you planets, dwarf planets, and asteroids. At each stop, examine the space object up close using real images from NASA. Don’t forget to take a space selfie with your favorite planet! IN OR OUT GAME Quickly scan awe-inspiring images of space objects from NASA’s Earth and space observatories to decide if the objects are in or out of the solar system. While the solar system is vast, it only represents a tiny corner of the universe. After you have mastered your solar system knowledge, challenge yourself to a new round of objects in or out of our home galaxy, the Milky Way. Funding Source This work was supported by NASA under award number 80NSSC21M0082. Any opinions, findings, conclusions, or recommendations expressed in these programs are those of the author and do not reflect the views of NASA. Compatibility Requires iOS 12.0 or later. Compatible with iPhone and iPad. Rated 4+.

Screenshots

Space 4D+4 screens
DIY Solar System4 screens

Verdict

The call

The clearest difference is review sentiment: DIY Solar System at 100% against Space 4D+'s 37%. DIY Solar System also leads on rating (4.5 vs 3.4). On price, ratings volume, update cadence and ads 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

DIY Solar System holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 46 and 16 respectively. Written reviews point the same way: 37% of Space 4D+'s written reviews are positive against 100% of DIY Solar System's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Space 4D+ versus DIY Solar System: the parameters behind the verdict, then further details
ParameterSpace 4D+DIY Solar System
PriceFreeFree
Rating3.4 (46 ratings)4.5 (16 ratings) — better
Positive reviews36.8% of reviews100.0% of reviews — better
Number of ratings46 — better16
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size300 MB180 MB
Age rating4+4+
DeveloperOctagon Studio LtdThe Lawrence Hall of Science

Customer experience

Space 4D+

All ratings46 ratings
Positive52.2%
Neutral10.9%
Negative37.0%
Written reviews38 reviews
Positive36.8%
Neutral13.2%
Negative50.0%

DIY Solar System

All ratings16 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Space 4D+

No in-app purchases

None

DIY Solar System

No in-app purchases

Questions

Is Space 4D+ free?
Space 4D+ is free to download, with no in-app purchases.
Is DIY Solar System free?
DIY Solar System is free to download, with no in-app purchases.
Which has better reviews, Space 4D+ or DIY Solar System?
DIY Solar System is rated higher. Space 4D+ averages 3.4 out of 5 from 46 ratings, while DIY Solar System averages 4.5 from 16 ratings.
Do Space 4D+ or DIY Solar System have ads?
Neither Space 4D+ nor DIY Solar System shows ads.
Which is updated more often, Space 4D+ or DIY Solar System?
Space 4D+ ships an update every 2 months, and DIY Solar System every 2 months. Most recently, Space 4D+ was updated on October 2, 2026 and DIY Solar System on October 6, 2026.

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