The Fact Index

The Most Extreme World Facts

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Unlock The Fact Index with a one-time Premium Upgrade. No subscriptions — just a lifetime of the world’s most incredible extremes ready for you to explore! Discover the Extremes of Our World and Beyond with The Fact Index! Ever wondered what is the largest living organism? Which city was the first to reach a million people? Or what is the highest point on Earth? The Fact Index is your curated guide to the most incredible superlatives in history, science, nature, and beyond. Experience the world through its extremes — from the deepest trenches and largest oceans to the first inventions and smallest wonders. It’s the ultimate collection for anyone obsessed with global records and fascinating facts. What’s inside The Fact Index: • The Extremes: Discover a hand-picked selection of facts covering the most, the least, the longest, and the shortest. • Firsts & Origins: Trace back the "firsts" that changed the world — from ancient discoveries to modern breakthroughs. • Interactive Trivia: Put your knowledge of superlatives to the test with challenging trivia sessions. • Premium Access: Get the Lifetime Upgrade to unlock every fact and every challenge — forever. • No distractions: A clean, minimal interface designed for pure learning and curiosity. Whether you want to settle a debate, study milestones, or just expand your mind, The Fact Index puts the world’s most interesting records in your hands. Note: Premium features are available via a one-time lifetime purchase. All facts are verified for accuracy. No ads. No tracking.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

The developer, KRISTINA KOVALCHUK, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Contact Info
    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Contact Info
    • Diagnostics

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Accessibility

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Information

Seller
KRISTINA KOVALCHUK
Size
41.1 MB
Category
Reference
Compatibility
Requires iOS 14.0.0 or later.
  • iPhone
    Requires iOS 14.0.0 or later.
  • iPad
    Requires iPadOS 14.0.0 or later.
  • iPod touch
    Requires iOS 14.0.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
13+
  • 13+
  • Learn More
  • Infrequent
    Medical Treatment information
    Alcohol, Tobacco, Drug Use or References
In-App Purchases
Yes
Copyright
© 2026 The Fact Index
  • Privacy Policy