About
Test your perception of scale by resizing objects to match their real-world proportions. Compare everyday items to massive structures and animals, with levels checked against actual measurements. Replay levels to improve your score and share challenges with friends.
What's New in How Big? Guess the Size
1.0.0
October 8, 2026
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FAQ
Does How Big? have ads?
Yes, How Big? contains advertisements that appear between every second level.
How can I remove ads from How Big?
You can remove all advertisements permanently with a one-time purchase. This purchase also restores ad removal across all your devices.
Can I play How Big? offline?
Yes, How Big? is designed to play offline, allowing you to enjoy the game without an internet connection.
What devices does How Big? support?
How Big? is available for both iPhone and iPad, offering one-handed controls and light/dark modes on both.
How many levels are in How Big?
How Big? features 865 levels, containing 163 different items ranging from small objects to large structures.
Is How Big? suitable for children?
Yes, How Big? has an age rating of 4+, making it suitable for younger players to enjoy and learn about object sizes.
Can I replay levels in How Big?
Absolutely. You can replay any level in How Big? to try and achieve a higher score, aiming for up to 100 points and 3 stars.
How are the sizes in How Big? verified?
Every size presented in How Big? has been checked against real-world measurements to ensure accuracy.





