Planetarium Projector vs Smithsonian
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Planetarium Projector
Explore the universe with interactive lessons on constellations, planets, and space exploration. Engage with 3D augmented reality models and fun quizzes to learn about space history and mythology.
- Interactive space narrator
- Augmented reality 3D models
- Constellation drawing
- Space conquest quiz
- Planet and space facts
- Rocket launching game
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With the Planetarium Projector APP, discovering the wonders of the universe has never been so fun! Select the slide you are projecting with the Planetarium and let the narrator guide you through the constellations, the planets of the Solar System and the incredible story behind man’s conquest of space! Thanks to the special cards you can view fantastic 3D models in augmented reality, explore them, understand how they are made inside and discover lots of interesting facts on history and mythology. Play with the APP to launch your rocket! Answer the questions of the quiz correctly, compare weights and dimensions, draw the constellations and get ready to depart to conquer the universe!
Smithsonian
Explore the solar system with interactive games and animations. Learn fascinating facts about planets, moons, and the asteroid belt. Designed for curious young minds to introduce astronomy basics.
- Fascinating facts about the solar system
- Mini games like Space Winter Rush
- Interactive activities
- Educational animations
- Read to Me text
- Collect planet badges
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Join us on an exciting voyage through the solar system! Play, touch, read. and learn facts about the 8 planets in our solar system in this new app from The ©Smithsonian and PlayDate Digital. Designed for curious minds, this app features brilliantly illustrated animations which are sure to engage and entertain. Why is Mars called the Red Planet? Which is the brightest Planet? How many moons does Neptune have? What is the Asteroid Belt? Explore Planets, learn facts, and play games as you rocket through the solar system. Your space enthusiast will love learning all about the wonders of space and the universe. The mini games reinforce the learnings and interactive activities will keep kids engaged. Features: • Lots of fascinating facts about our solar system, its planets, and more! • Featuring mini games including Space Winter Rush, Comet Ceasefire, Solar System Sorting, Gas Planets and more! • Over 10 other interactive activities related to your space adventure. • Educational content and animations will entertain and engage while teaching simple astronomy basics. • ‘Read to Me’ text • Collect solar system and planet badges as you complete each level Planets and the Solar System from ©Smithsonian Kids is designed to deliver on these Learning Goals: • STEM: Introduce young learners to astronomy and science methods. • STEM: Expand young learners' curiosity and knowledge of the world around them. • Counting and Quantifying: Identify and organize groups of objects logically. • Visual Discrimination: Distinguish between different shapes, sizes, colors. • Visual Memory: Remembering and recalling visual information. • Color Recognition and Differentiation: Identifying and naming colors. • Shape Recognition and Classification: Identifying objects based on different shapes. ABOUT THE SMITHSONIAN The ©Smithsonian is the world’s largest museum and research complex, dedicated to public education, national service, and scholarship in the arts, ©Smithsonian sciences, and history. The name of the ©Smithsonian Institution and the sunburst logo are registered trademarks of the ©Smithsonian Institution. For more information, please visit www.si.edu ABOUT PLAYDATE DIGITAL PlayDate Digital Inc. is a publisher of high-quality, interactive, mobile educational software for children. PlayDate Digital's products nurture children's emerging literacy and creativity skills by turning digital screens into engaging experiences. PlayDate Digital content is built in partnership with some of the world's most trusted global brands for kids. Visit us: playdatedigital.com Like us: facebook.com/playdatedigital Follow us: @playdatedigital Watch all our app trailers: youtube.com/PlayDateDigital1 HAVE QUESTIONS? We'd love to hear from you! Your questions suggestions and comments are always welcome. Contact us 24/7 at info@playdatedigital.com
Screenshots
Verdict
The clearest difference is review sentiment: Smithsonian at 100% against Planetarium Projector's 22%. Planetarium Projector's advantage is in-app purchases (none vs 2). On price, update cadence, 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. Smithsonian sells 2 one-off in-app purchases. Planetarium Projector asks for nothing beyond the download.
Planetarium Projector ships an update every 2 months, Smithsonian every 3 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.
| Parameter | Planetarium Projector | Smithsonian |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | 100.0% of reviews — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 574 MB | 285 MB |
| Age rating | 4+ | 4+ |
| Developer | Clementoni S.p.A. | PlayDate Digital |
Customer experience
Planetarium Projector
Smithsonian
In-app purchases
Planetarium Projector
No in-app purchases
Smithsonian
- Remove Ads$1.99
- Buy 5 Planets$2.99
Questions
Is Planetarium Projector free?
Is Smithsonian free?
Do Planetarium Projector or Smithsonian have ads?
Which is updated more often, Planetarium Projector or Smithsonian?
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