Space 4D+ vs ARPlanets 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Augmented reality space exploration
- Interactive 3D models of celestial bodies
- Informative facts about planets and missions
- Engaging for all ages
- Scans printed space cards
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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/
ARPlanets 2
Explore the augmented reality Solar System with interactive 3D models and intuitive gestures. Learn basic and advanced astronomy concepts through engaging AR lessons.
- Augmented reality Solar System exploration
- Interactive 3D model manipulation
- Discover celestial body details
- AR-based astronomy lessons
- User-friendly interface
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Introducing ARPlanets 2! Completely rewritten from scratch to offer the ultimate user experience this app will bring the entire augmented reality Solar System into your pocket! The AR user experience is of the highest level with total control of the models thanks to intuitive gestures. The new great AR Lessons section will teach you with nice lessons in augmented reality basic astronomy concepts such as Kepler's Laws up to advanced notions such as differential photometry. Learning has never been so beautiful! -> Main features - User friendly user interface aimed at offering the maximum user experience - Completely manipulate 3D models thanks to very simple gestures. - Discover the names of the most interesting areas of the Moon, Mars and Jupiter simply by getting closer with your phone! - Learn notions of basic astronomy in augmented reality such as the Earth-Moon system and Kepler's Laws up to advanced topics such as differential photometry thanks to the AR Lessons section! Learning has never been so beautiful!
Screenshots
Verdict
The clearest difference is in-app purchases: Space 4D+ at none against ARPlanets 2's 1. Space 4D+ also leads on ratings volume (46 vs 15) and iOS requirement (11.0 vs 17.0). ARPlanets 2's advantage is review sentiment (57% vs 37%). On price, rating, 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
Both are free to download. ARPlanets 2 sells 1 one-off in-app purchase. Space 4D+ asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.4 for Space 4D+ against 3.3 for ARPlanets 2. Both are backed by a comparable volume of ratings — 46 and 15 respectively. Written reviews are what separate them: 37% of Space 4D+'s written reviews are positive against 57% of ARPlanets 2's.
Space 4D+ ships an update every 2 months, ARPlanets 2 every 6 weeks. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.
| Parameter | Space 4D+ | ARPlanets 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (46 ratings) — better | 3.3 (15 ratings) |
| Positive reviews | 36.8% of reviews | 57.1% of reviews — better |
| Number of ratings | 46 — better | 15 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 300 MB | 423 MB |
| Age rating | 4+ | 4+ |
| Developer | Octagon Studio Ltd | Daniele Citi |
Customer experience
Space 4D+
ARPlanets 2
In-app purchases
Space 4D+
No in-app purchases
ARPlanets 2
- Full Access AR$1.99
Questions
Is Space 4D+ free?
Is ARPlanets 2 free?
Which has better reviews, Space 4D+ or ARPlanets 2?
Do Space 4D+ or ARPlanets 2 have ads?
Which is updated more often, Space 4D+ or ARPlanets 2?
Other comparisons
