Comparison

Smithsonian vs Constellation Finder

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

Head to head
About

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.

Highlights
  • Fascinating facts about the solar system
  • Mini games like Space Winter Rush
  • Interactive activities
  • Educational animations
  • Read to Me text
  • Collect planet badges
Features
Read full description

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

About

Constellation Finder

Discover planets and constellations with an interactive and educational journey through space. Explore celestial bodies, learn fascinating facts, and enjoy a playful design that makes learning about the solar system fun for all ages.

Highlights
  • Instant planet search and navigation
  • Fascinating facts and real data
  • Interactive solar system exploration
  • Regularly updated celestial data
  • Vibrant and playful design
  • Constellation finding capabilities
Features
Read full description

Planets: Explore the Solar System, Planets & Constellation Playfully Planets is your gateway to an interactive and fun journey through space. Instantly find planets and dive into real facts, beautiful designs, and celestial insights. Key Features: Explore instantly: Search and navigate planets in a tap. Learn as you go: Discover fascinating facts, and real data about every celestial body. Interactive discovery: explore the solar system your way with regularly updated data. Beautiful and educational: A vibrant, playful design that makes learning about space enjoyable for all ages. Whether you're curious about the Sun, constellation finder, exploring distant moons, or just love space and sky, Planet Finder makes space discovery simple, smart, and fun. Perfect for learners, dreamers, and explorers. Start your journey through the Galaxy today! — EULA https://planetfinder.carrd.co/#eula — Privacy Policy https://planetfinder.carrd.co/#privacy — Terms Of Service https://planetfinder.carrd.co/#terms

Screenshots

Smithsonian4 screens
Constellation Finder4 screens

Verdict

The call

The clearest difference is device support: Smithsonian at 3 against Constellation Finder's 1. Smithsonian also leads on iOS requirement (13.0 vs 16.4). On price, review sentiment, 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. Smithsonian sells 2 one-off in-app purchases and Constellation Finder sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Smithsonian ships an update every 3 months, Constellation Finder every 2 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Smithsonian versus Constellation Finder: the parameters behind the verdict, then further details
ParameterSmithsonianConstellation Finder
PriceFreeFree
Rating4.8 (9 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings9 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size285 MB20 MB
Age rating4+9+
DeveloperPlayDate DigitalOverflow LTD

Customer experience

Smithsonian

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Constellation Finder

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Smithsonian

One-time2
  • Remove Ads$1.99
  • Buy 5 Planets$2.99
5 purchases

Constellation Finder

Subscriptions3
  • Weekly$4.997 Days
  • Monthly$5.991 Month
  • Yearly$19.991 Year
One-time2
  • Lifetime$17.99
  • Lifetime$29.99

Questions

Is Smithsonian free?
Smithsonian is free to download, with in-app purchases available.
Is Constellation Finder free?
Constellation Finder is free to download, with in-app purchases available.
Do Smithsonian or Constellation Finder have ads?
Neither Smithsonian nor Constellation Finder shows ads.
Which is updated more often, Smithsonian or Constellation Finder?
Smithsonian ships an update every 3 months, and Constellation Finder every 2 months. Most recently, Smithsonian was updated on September 22, 2026 and Constellation Finder on September 9, 2026.

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