Explore the World of Numbers with
Universal Numbers!
Universal Numbers (formerly NumberLine) helps kids and language learners easily master counting to a million in over 40 languages and dialects.
Who Will Benefit?
For kids:
Numbers are the building blocks of math, surrounding us in daily life. Universal Numbers introduces children to math concepts, including:
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Number sequence: Grasping the logical flow and order of numbers.
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Counting and quantity: Visualizing how numbers relate to quantities.
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Number relationships: Understanding "greater than" or "less than" for problem-solving.
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Expanded form: Breaking down numbers (e.g., 235 into 200 + 30 + 5).
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Place value: Learning how a digit’s position changes its value.
For language learners:​
Mastering numbers in a new language takes practice. Universal Numbers helps you:
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Learn spelling and pronunciation in over 40 languages and dialects.
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Understand big numbers with local thousand-separators used in different countries.
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Boost cognitive skills, memory, and problem-solving through bilingual or multilingual exposure.
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Switch between languages seamlessly within the app.
How it Works
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Scroll the number line to navigate.
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Tap any number to hear its pronunciation.
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Adjust the scale (by 5, 10, 100, etc.) with +/- buttons or by pinching the number line.
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Use the search bar to locate any number quickly.
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Choose from over 40 languages.
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Select your preferred Apple system voice.
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Range:
From 0 to 1,000,000
Languages Supported
Arabic, Bulgarian, Catalan, Chinese (Simplified & Traditional), Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Shanghainese, Slovak, Slovenian, Spanish, Swedish, Tamil, Thai, Turkish, Ukrainian, Vietnamese.
Privacy & Access
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​No ads
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No accounts
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No data collection
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​All current content is free and will remain free. Some future features may require a subscription or in-app purchases.
