Let's Scale: Size It Up

Let's Scale: Size It Up

Size comparison quiz

0 ratings
Free
In-App PurchasesWith Ads

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Details

Released
November 2, 2026
Updated
November 11, 2026

Features

Let's Scale: Size It Up screenshot #1 for iPhone
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Let's Scale: Size It Up screenshot #9 for iPhone
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About

How many times bigger is a whale than an elephant? Or Jupiter than Earth? Let's Scale is a size comparison quiz: drag to guess the size, then see how close you got. Animals, countries, planets, famous buildings and vehicles. A daily challenge with five new matchups for everyone, quick mini-games and duels with friends. Move the slider until the size looks right, then check your guess against the real thing: the closer you are, the more points. Many objects come with a quick fact. WORLDS • Animals: insects, birds, savanna and ocean wildlife, dinosaurs • Countries & islands: compare their area with a country you know • Space: planets, moons and the Sun • Transport: from a scooter to an airliner • Architecture: famous buildings beside a bus • Mixed: objects from different worlds side by side • Earn up to three stars per level. Complete a world to unlock free play DAILY CHALLENGE • Five new pairs every day, the same for everyone • From day two of your streak, get +10 % challenge points per day, up to +100 % • A weekly freeze saves your streak if you miss a day • Catch up on missed days in the archive covering the last seven days • The top three in the daily and weekly results earn bonus points MINI-GAMES • Bigger or smaller: 60 seconds to tap the bigger one, until your first mistake • Sort by size: arrange four silhouettes from smallest to largest • Impostor: spot the wrong size among four silhouettes • Duel: play five pairs and send a friend the code. They get the same pairs. The winner takes both players' points COLLECTION AND TITLES • Meet an object on three different levels to unlock its card • Your accuracy determines the card's metal: copper, silver, gold or platinum • Your title grows with your accuracy, from Newcomer to The Ruler LEADERBOARDS • Compare your points with players worldwide or in your country • Set a nickname and country in your profile, or stay as “Player N” • Game Center achievements and leaderboards MORE • Metric or imperial units • 10 languages: English, Русский, Deutsch, Español, Français, Italiano, Polski, Português, Українська, עברית • Sign in with Apple or Google to keep your progress on another phone. You can also play without an account • Delete your account and data in your profile at any time Free to play, with ads. The one-time “Remove ads” purchase removes ads between levels. Rewarded videos remain optional. The one-time “Support the developer” purchase gives you a crown on the home screen and leaderboards as a thank-you. Privacy policy: https://privacy.vias.im/letsscale/ Support: support@vias.im
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What's New in Let's Scale

4.0.37

November 11, 2026

• Sort by size: after a mistake, the right order stays on screen until you tap Next • A tidier Daily tab • Rate the game right from Settings • Pick an app icon on iPhone • Each “Support the developer” amount now has its own crown, and you choose which one to wear

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Subscriptions & In-App Purchases

$2.99

Remove Ads

Removes ads between levels

Developer apps