Chronos: Learn World History

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Everyone
10+
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About this app

Learn world history with Chronos, from the first humans to modern times, one short lesson at a time. See how empires, revolutions and ordinary people made the choices that shaped world history, and learn why major historical events happened, not just when.

Follow world history from the first humans to modern times, or jump straight to the era that interests you. Every course stands on its own, so you can start anywhere and learn at your own pace.

Chronos is for everyone: students, history lovers, teachers and anyone who wants to understand how the world became what it is.

What you'll gain
- Follow world history from the first civilizations to modern times, told as one connected story
- Understand why empires, revolutions and wars happened
- Build a daily learning habit with short, focused lessons and streaks
- Earn a certificate for every course you complete
- Learn at your own pace, a few minutes at a time

Courses included:

The Dawn of Humanity: From the first humans to the first cities and the earliest civilizations.

The Ancient World: Persia, Greece, Rome, Han China, ancient India and the birth of the great religions and philosophies.

The Middle Ages: Byzantium, the rise of Islam, medieval Europe, the Crusades, the Mongols and the Black Death.

Exploration and Empires: The Renaissance, the Reformation, the great voyages and the empires that followed.

The Age of Revolutions: The Enlightenment, the American and French revolutions, Napoleon and the independence of Latin America.

The Industrial Age: Factories, railways, growing cities, new nations and the empires industrial powers built.

The World Wars: The road to 1914, the Russian Revolution, the Great Depression and the Second World War.

The Cold War: Two superpowers, the arms race, Korea and Vietnam, the space race and decolonization.

The End of the Millennium: How the Cold War ended and the world it left behind, from oil to the internet.

A history course built for your daily routine
Each lesson is short enough for a commute or a coffee break, so a few minutes a day add up to the whole story of world history. Start with the first humans and the earliest cities, or jump straight to the era that fascinates you, whether that is ancient Rome, the Middle Ages, the age of revolutions or the Cold War.

Why Chronos
Learn world history as one connected story: see how ancient civilizations shaped the medieval world, how empires and revolutions led to the modern age, and how the twentieth century still explains the news today. Short daily lessons and streaks turn curiosity into a habit.

New content over time
We keep adding and improving lessons, so there is always more world history to explore.
Learn world history in short daily lessons, from early humans to modern times
Updated on
Nov 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Personal info, Financial info, and App activity
  • This app may collect these data types
    Personal info, Financial info and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

• Open any lesson in any order, so you have more flexibility
• Faster loading: the app opens faster, and finishing a lesson and going back to your course are quicker
• Android Back button fix: with the menu open, Back now closes the menu instead of closing the app
• Minor bug fixes and UI improvements
Content rating
Everyone
In-App Purchases
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App support

About the developer
LÍGIA MARIA SOARES ROLIM
contact@qr-code-cat.com
Rua Appel, 1908 Nossa Senhora de Fátima SANTA MARIA - RS 97015-030 Brazil

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