Explore the vastness of the universe through an interactive gallery of celestial objects. Compare sizes, learn scientific facts, and navigate cosmic scales with intuitive gestures. Ideal for educational settings and curious minds.




162+ iOS apps & games curated and reviewed
Out of 162+ universe size comparison apps and games on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (6) | No | No | Oct 2026 | ||
| 2 | Free | 4.6★ (77) | No | Yes | Oct 2026 | ||
| 3 | $5.99 | 4.8★ (365) | No | No | Oct 2026 | ||
| 4 | Free | 3.9★ (21) | No | No | Oct 2026 | ||
| 5 | $2.99 | 4.8★ (289) | No | No | Oct 2026 | ||
| 6 | $1.99 | 3.2★ (30) | No | No | Oct 2026 | ||
| 7 | Free | 3.0★ (87) | No | No | Oct 2026 | ||
| 8 | Free | 4.3★ (11) | No | No | Oct 2026 |




Explore the vastness of the universe through an interactive gallery of celestial objects. Compare sizes, learn scientific facts, and navigate cosmic scales with intuitive gestures. Ideal for educational settings and curious minds.




Explore the relative sizes of everyday objects with minimalist visual comparisons. Create and share custom comparisons of vehicles, animals, landmarks, and more to understand their true dimensions. Perfect for students, educators, and anyone curious about scale.






Explore the universe's vastness and intricacy through interactive visual comparisons. Seamlessly zoom from subatomic particles to the observable universe, gaining intuition about scale and size with stunning imagery and clear explanations.