189+ iOS apps & games curated and reviewed
If you already know Size, this is the deeper bench. 189+ size comparison apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (56) | No | Yes | Jul 2026 |
| 3 |  | $5.99 | 4.8★ (337) | No | No | Jul 2026 |
| 4 |  | Free | 3.9★ (7) | No | No | May 2026 |
| 5 |  | Free was $1.99 | 1.0★ (2) | No | Yes | May 2026 |
| 6 |  | $2.99 | 4.8★ (287) | No | No | Jul 2026 |
| 7 |  | Free | 4.7★ (3.7K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.4★ (14) | Yes | Yes | Jul 2026 |
Visually compare the heights of various characters, people, animals, and objects. Create custom comparisons, upload your own images, and discover height differences in a fun, interactive way. Includes a mini-game for guessing heights.
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.
Explore the vastness of the universe, from the smallest particles to distant galaxies. This educational app visually demonstrates the immense scale of space and matter, offering a glimpse into the universe's complexity and beauty.
Easily compare your height to friends and family with this intuitive tool. It offers accurate measurements in both centimeters and inches, with added features like BMI calculation and couple measurements.
Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.
Explore the true sizes of countries by dragging them across a map. Discover how map distortions affect perceived size and learn fascinating facts about each nation. Ideal for educators, students, and geography enthusiasts.
Easily compare the heights of multiple people, including friends, family, and celebrities. Visualize differences with interactive charts in centimeters or feet. Perfect for fun social comparisons or personal curiosity.
Explore the true sizes of countries, overcoming the distortions of traditional map projections. Compare any two territories side-by-side, move them freely, and discover fascinating statistical data about their relative dimensions. An ideal educational resource for geography enthusiasts.
Explore a 3D model of our solar system, interact with celestial bodies, and take virtual flights through space. Learn about planets, moons, satellites, and more with educational movies and real-time orientation. Discover the universe from your device.
Easily combine photos and videos into stunning collages with over 400 layouts. Enhance your creations with filters, borders, and powerful editing tools. Share your masterpieces directly to social media.
Explore the vastness of space and understand celestial body dimensions through interactive 3D comparisons. Discover the scale of planets and stars, from our Sun to hypergiant stars, with guided tours and free comparison modes.
Visually compare your height with friends, family, and celebrities. Track your growth over time and share comparisons to see who is tallest. Settle height debates with this engaging tool.
This app allows you to estimate the size of objects using your device's camera and familiar reference items. It's ideal for situations where you lack measuring tools or need quick approximations for online sales or moving.
Easily compare two photos side-by-side with an intuitive interface. Enhance your comparisons with customizable tools and share them instantly on social media. A free version offers core features, with an optional pro version for advanced capabilities.
Explore a detailed 3D model of our solar system and the universe. Interact with planets, moons, and satellites, and take virtual flights through space. Travel through time to see the universe's past and learn with educational movies.
Create personalized photo collages, cards, and video slideshows. Easily edit photos and videos with filters, cutouts, and animations. Personalize your designs with fonts, stickers, and backgrounds for any occasion.
Easily post full-size photos and videos to social media without cropping. Enhance your media with filters, text, stickers, and various design elements. Supports multiple social media platforms with high-resolution export.
This game challenges you to estimate the size and quantity of various objects, animals, and landmarks. Test your knowledge with trivia and aim for high scores in challenge mode. It's a fun way to learn surprising facts and impress friends.
Easily convert clothing, shoe, ring, and hat sizes across various countries for men, women, and children. Find the right fit for tops, pants, jackets, skirts, and more.