Challenge yourself against real-world titans. From Everest peaks to towering skyscrapers—master scale through 7 distinct quiz modes and climb through progressive achievement levels.
Download SizeUp BattleStart your daily streak now—new battles unlock in 4 hours
Promotional codes activate within the app after installation. One reward per download. Offers subject to availability.
SizeUp Battle operates on verified measurement databases pulled from geographic surveys and architectural records. Each comparison presents two real-world entities—Mount Everest versus Kilimanjaro, Burj Khalifa against One World Trade Center—with precise measurements displayed in standard metric units.
The quiz engine adapts difficulty based on your accuracy rate. After each response, an explanation panel reveals the exact height differential with contextual details. Building animations reward correct streaks with coin accumulation that tracks across sessions, creating tangible progression through the leveling system.
Seven distinct quiz formats test different cognitive approaches: timed rounds force quick pattern recognition, sudden death demands flawless execution, while mixed quizzes blend categories to prevent specialized memorization. Your performance data feeds into a persistent profile displaying completion rates, accuracy percentages, and unlocked achievements.
Every 24 hours a new comparison challenge unlocks—identical for all players worldwide. Maintain your streak to unlock multiplier bonuses that accelerate XP gains and reveal exclusive achievement badges.
Switch between Mixed Quiz for variety, Giant Battle for pure size duels, Speed Round for 60-second intensity, Lightning with 10-second decisions, Sudden Death elimination format, or endless Survival mode until your first mistake.
Your stats dashboard displays completed quiz count, accuracy percentage across all attempts, saved comparison lists, and favorite items. Level progression bar shows exact XP needed for next tier with coin balance synchronized.
Explore dedicated sections for Mountains, Buildings, Animals, and Oceans. Each category presents featured comparisons with detailed information panels, measurement data, and geographic context for educational reinforcement.
Unlock City Explorer by comparing three urban centers, earn Daily Quiz Streak at seven consecutive days, achieve Deep Sea Thinker by viewing extreme depth objects, or become a Favorites Collector by marking ten preferred items.
Earn currency rewards ranging from +15 for quick wins up to +200 for major achievements. Coins persist across sessions and unlock cosmetic building upgrades displayed during victory animations with particle effects.
Android platform • Free download with in-app rewards • 47 MB install • Ready in under 2 minutes
Download SizeUp BattleRequires Android 6.0 or higher • Contains optional in-app purchases • Rated for all ages • Privacy policy accessible within app settings