The Fact Index
The Most Extreme World Facts
About
Explore the world's most extreme facts, from the largest living organisms to the first inventions. Test your knowledge with interactive trivia and enjoy a clean, ad-free interface. Unlock all content with a one-time lifetime purchase.
What's New in The Fact Index
1.0
May 18, 2026
In-App Purchases
$4.99
Lifetime Full Access
Unlock every question in the app for life
FAQ
What is The Fact Index?
The Fact Index is a reference app that provides a curated collection of extreme world facts, historical firsts, and interactive trivia. It aims to expand your knowledge of superlatives in science, nature, and history.
Does The Fact Index have ads?
No, The Fact Index is ad-free. The description explicitly states 'No ads. No tracking.' for a distraction-free learning experience.
How much does The Fact Index cost?
The Fact Index is free to download and use. Premium features, including all facts and challenges, are available through a one-time lifetime purchase.
What devices does The Fact Index support?
The Fact Index is supported on iPhone and iPad devices. It is designed for iOS users.
What is the age rating for The Fact Index?
The Fact Index has an age rating of 12+. This suggests the content is suitable for users aged 12 and above.
How often is The Fact Index updated?
The Fact Index was last updated on May 18, 2026, with version 1.0. This indicates it is a newly released application.
Are the facts in The Fact Index verified?
Yes, the description states that 'All facts are verified for accuracy.' This ensures the information provided is reliable.
Can I play The Fact Index offline?
The provided data does not specify offline play capabilities. However, given its nature as a fact-based reference app, it may require an internet connection for some features.