AstroTrace
Constellation Encyclopedia
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Explore the night sky with 100 celestial objects — constellations, stars, nebulae, and galaxies. Your pocket stargazing encyclopedia!
AstroTrace is the ultimate constellation encyclopedia, guiding you through 100 celestial objects across the night sky. From ancient constellations to distant galaxies, discover the wonders of the universe right from your pocket.
Browse beautifully designed celestial cards covering all 88 official constellations, prominent stars, stunning nebulae, and spectacular galaxies. Each card features detailed information about mythology, visibility, best viewing seasons, notable stars, and deep-sky objects within each constellation.
Every day, AstroTrace presents a new Star of the Day — a daily spotlight on one remarkable celestial object. Build your astronomical knowledge one day at a time and uncover the stories written in the stars.
Test your stargazing knowledge with fun quizzes covering constellation identification, star names, mythology, and astronomical facts. Track your scores and challenge yourself to become a true night sky expert.
Compare celestial objects side by side to understand their differences in magnitude, distance, visibility, and best viewing conditions. Use the observation notes feature to log your own stargazing sessions and favorite discoveries.
Unlock premium content packs to explore deep-sky objects, zodiac constellation deep dives, and seasonal stargazing guides. Whether you are an astronomy student, a telescope enthusiast, or a casual stargazer, AstroTrace is your perfect companion under the stars.
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The developer, Kenichiro Sakamoto, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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Information
- Seller
- Kenichiro Sakamoto
- Size
- 72.7 MB
- Category
- Education
- Compatibility
Requires iOS 14.0 or later.
- iPhone
Requires iOS 14.0 or later. - iPad
Requires iPadOS 14.0 or later. - iPod touch
Requires iOS 14.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Zodiac Pack $4.99
- Deep Sky Objects Pack $4.99
- Master Pass $4.99
- Copyright
- © 2026 AppDevelopSK