DIY Sun Science vs Constellation Finder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DIY Sun Science
Explore the Sun through hands-on activities and real-time data. This app offers 15 engaging experiments, live solar images from NASA, and educational videos to foster understanding of solar science for families and educators.
- 15 hands-on solar activities
- Step-by-step instructions
- Live Sun images from NASA SDO
- NASA Earth and space observatory images
- NASA solar videos
- Learn about solar activity
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DIY Sun Science is designed to make it easy for families and educators to learn about the Sun anywhere, anytime! The app is developed by UC Berkeley’s The Lawrence Hall of Science, the Children's Creativity Museum, and Sciencenter; funded by NASA. HANDS-ON ACTIVITIES DIY Sun Science includes 15 easy-to-use hands-on activities to learn about the Sun and its important relationship with Earth. Learn how to cook in a solar oven, measure the size of the Sun, or explore shadows in model Moon craters! Each activity includes step-by-step instructions that have been tested by educators, kids, and families. Activity materials are easily available and inexpensive—you may already have many of them in your home! SUN OBSERVATORY Want to see the Sun right now in different wavelengths? Use DIY Sun Science to view live images of the Sun from NASA’s SDO satellite in the Sun Observatory. Afterwards, you can learn more about the solar activity you observed and test your new knowledge. IMAGES AND VIDEOS See awe-inspiring images of the Sun from NASA’s Earth and space observatories! Learn about the different features of the Sun and how scientists are studying it. You can even watch NASA videos of the Sun from the past 48 hours. Praise & Reviews: —Featured by Apple in "Best New Apps" and "Education" —Common Sense Media: “DIY Sun Science is a great way to spark interest in astronomy and inspire learning. The activities are fun and engaging, and they tie in nicely with important astronomy concepts.” —Gizmodo: “A must for budding astronomy enthusiasts.”
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.
- 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
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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
Verdict
The clearest difference is in-app purchases: DIY Sun Science at none against Constellation Finder's 5. DIY Sun Science also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). Constellation Finder's advantage is update cadence (every 2 months vs every 6 months) and review sentiment (100% vs 92%). On price, rating, ratings volume 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. Constellation Finder sells 5 in-app purchases, starting at $4.99 per 7 days. DIY Sun Science asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.4 for DIY Sun Science against 4.4 for Constellation Finder. Both are backed by a comparable volume of ratings — 21 and 23 respectively. Written reviews are what separate them: 92% of DIY Sun Science's written reviews are positive against 100% of Constellation Finder's.
DIY Sun Science ships an update every 6 months, Constellation Finder every 2 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | DIY Sun Science | Constellation Finder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (21 ratings) — better | 4.4 (23 ratings) |
| Positive reviews | 91.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 21 | 23 — better |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 134 MB | 20 MB |
| Age rating | 4+ | 9+ |
| Developer | The Lawrence Hall of Science | Overflow LTD |
Customer experience
DIY Sun Science
Constellation Finder
In-app purchases
DIY Sun Science
No in-app purchases
Constellation Finder
- Weekly$4.997 Days
- Monthly$5.991 Month
- Yearly$19.991 Year
- Lifetime$17.99
- Lifetime$29.99
Questions
Is DIY Sun Science free?
Is Constellation Finder free?
Which has better reviews, DIY Sun Science or Constellation Finder?
Do DIY Sun Science or Constellation Finder have ads?
Which is updated more often, DIY Sun Science or Constellation Finder?
Other comparisons
