Planet cards vs Smithsonian
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Planet cards
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Learn Astronomy in a visual and fun way. Answer the big questions about the Universe with powerful images. 3D animations of space, celestial bodies, Earth and spaceships. Planet cards is the educational toy and school materials to learn astronomy with the latest technology. Print the cards and download the app to see the universe just by pointing with your phone or tablet. Dozens of animations, hundreds of emotions on Planet cards. Explanatory texts in Spanish and English. An amazing experience. Get the cards at www.bodyplanet.es and download the app. - The origin of The Universe, The Milky Way and The Solar System - All the planets of The Solar System - The Moon, its phases and other satellites - The formation of the stars - Orbits, rotational and translational movements - The Earth: layers of the atmosphere and geosphere - Meridians, parallels, solstices and equinoxes - The conquest of space and the life of astronauts A different way of learning. The easiest way to discover the world we live in and other possible worlds. Planet cards is a fun, social and interactive toy. Explore in an exciting way, thanks to augmented reality. If you've had fun before with Body planet Magic T-shirt, Body cards and Welcome baby, now embark on a superb journey into the universe. In addition to having fun, you will learn without effort. Hide and discover with the buttons the areas of the galaxy that you want to explore. Find the names of the bodies that orbit in space and discover other possible worlds. Live an amazing experience with Planet cards. Put quality content on your screen.
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 update cadence: Smithsonian at every 3 months against Planet cards's every 9 months. Smithsonian also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Planet cards sells 1 one-off in-app purchase and Smithsonian sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Planet cards ships an update every 9 months, Smithsonian every 3 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | Planet cards | Smithsonian |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 351 MB | 285 MB |
| Age rating | 4+ | 4+ |
| Developer | Universo Body Planet S.L. | PlayDate Digital Inc. |
In-app purchases
Planet cards
- Pro$19.99
Smithsonian
- Remove Ads$1.99
- Buy 5 Planets$2.99
Questions
Is Planet cards free?
Is Smithsonian free?
Do Planet cards or Smithsonian have ads?
Which is updated more often, Planet cards or Smithsonian?
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