Behind the Stars vs AR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Behind the Stars
Explore the cosmos with historical astronomical instruments. Learn to use a nocturnal, sundial, celestial globe, and astrolabe to understand celestial movements. Features guided units and an exploration mode for hands-on learning.
- Historical astronomical instruments
- Learn to use nocturnal, sundial, celestial globe, astrolabe
- Apply instruments to real sky
- 20 guided learning units
- Exploration Mode
- Understand celestial movements
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Come with us BEHIND THE STARS and you'll see how – on your own or in a group. Four astronomical instruments await you on this journey. They come from one of the oldest museums in the world: the Mathematisch-Physikalischer Salon in Dresden, Germany. You'll learn how to use these historical instruments (a nocturnal, a sundial, a celestial globe, and an astrolabe) and be able to apply them in the real sky — right now, wherever you are. You can make use of 20 guided units or set out on your own in the new Exploration Mode. While you're exploring, you'll also come to see how the movements of the heavens arise: of the Sun, the Moon, and the stars.
AR
Explore Physics, Math, and Astronomy through interactive Augmented Reality experiments and AI-powered learning. Engage with digital simulations, flashcards, and quizzes for school, homework, and exam preparation.
- Augmented Reality experiments
- AI-powered learning assistance
- Interactive simulations
- Flashcards and quizzes
- Exam preparation tools
- Digital lab equipment
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Introducing AR-Physics – the first Augmented Reality app for Physics, Math, and Astronomy, designed for both school and home. Experience Physics, simulations, and AI-powered learning like never before – perfect for school, homework, flashcards, Quizlet-style practice, and exam prep (Abi & Abitur). DIGITAL EXPERIMENTS All experiments are included in the app – no expensive lab equipment required. Study with interactive simulations at home, in class, or on the go. Our unique concept combines AR experiments, flashcards, and quizzes to help you master Physics and Math faster and more effectively. AUGMENTED REALITY & AI Discover a completely new way to learn! Easily adjust parameters and watch your AR simulations change in real time. Use AR to view experiments from every angle and AI to instantly answer your Physics and Math questions. FOR STUDENTS Perfect for school, studying, homework, flashcards, and exam prep (Abi/Abitur). Physics and Math become engaging, hands-on, and interactive. Prepare easily with flashcards, quizzes, and simulations – just like Quizlet, but with AR and AI. FOR TEACHERS Make your classes more modern and interactive. Engage your students with AR experiments, AI-powered assistance, and quiz features to make Physics more accessible and fun. Geschäftsbedingungen: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Datenschutz: https://arphysics.de/datenschutz
Screenshots
Verdict
The clearest difference is review sentiment: AR at 100% against Behind the Stars's 50%. AR also leads on update cadence (every 8 days vs every 2 months). Behind the Stars's advantage is in-app purchases (none vs 8) and iOS requirement (12.0 vs 17.0). On price, ads 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
Both are free to download. AR sells 8 in-app purchases, starting at $2.99 per month. Behind the Stars asks for nothing beyond the download.
Behind the Stars ships an update every 2 months, AR every 8 days. Both last shipped on November 3, 2026.
| Parameter | Behind the Stars | AR |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 2 months | Every 8 days — 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 | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 255 MB | 441 MB |
| Age rating | 4+ | 4+ |
| Developer | Staatliche Kunstsammlungen Dresden | AR-Physics UG (haftungsbeschränkt) |
Customer experience
Behind the Stars
AR
In-app purchases
Behind the Stars
No in-app purchases
AR
- AR-Physics7 Days trial$2.991 Month
- AR-Physics Weekly$3.997 Days
- AR-Physics7 Days trial$6.991 Month
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- AR-Physics Pro7 Days trial$12.991 Month
- AR-Physics7 Days trial$24.991 Year
- AR-Physics$39.991 Year
- AR-Physics7 Days trial$39.991 Year
- AR-Physics Pro7 Days trial$69.991 Year
