About this app
Did you know that octopuses have three hearts? Or that bananas are berries in botanical terms? DuoFacts turns thousands of surprising facts into quick, bilingual reads. Dive into thousands of fun facts from around the world on bilingual flashcards. Read the same fact in two languages, build vocabulary in context, and pick up general knowledge at the same time. Turn every subway ride, coffee break, or bedtime scroll into a "Wow, I didn't know that!" moment. LEARN A NEW LANGUAGE WITH BILINGUAL FUN FACTS Every fun fact appears in two languages side by side. Meet words and expressions in context and practice reading at your own pace—without lessons, tests, or study pressure. BITE-SIZED KNOWLEDGE IN ABOUT 30 SECONDS No long articles. Each interesting fact fits on a compact card and takes about 30 seconds to read. Swipe through a few whenever you have a spare minute. DISCOVER SOMETHING NEW EVERY DAY Move from psychology and science to history, nature, and everyday curiosities. Save the facts that surprise you, revisit them later, or share a card when you find something worth talking about. FACT OF THE DAY WIDGET Bring a daily fact straight to your Home Screen. Customize the font, background, and widget size to match your style, then discover something new without opening the app. THOUSANDS OF AMAZING FACTS TO EXPLORE Choose the topics that match your curiosity: - Psychology & Human Body: Behavior, memory, emotions, and the brain. - Science & Space: Discoveries, black holes, physics, and the universe. - History & Culture: Overlooked events, traditions, and details from the past. - Animals & Nature: Unexpected abilities and behavior across the natural world. - Life Hacks & Everyday Knowledge: Useful tips and practical curiosities. - Creepy & Mysterious: Unsettling facts and unexplained stories. KEY FEATURES + Save favorite facts and return to them anytime. + Create stunning quote cards to share on Instagram Stories, TikTok, or iMessage. + Smart notifications to build a daily learning habit. + Smooth swipe interface, perfect for one-handed use on the go. Download DuoFacts and turn a spare minute into a new discovery. Read fun facts, keep language learning in your routine, and give your curiosity something fresh every day. PREMIUM ACCESS A starter set of categories is available without Premium. Upgrade to unlock the full library and additional themes and features. Privacy Policy: https://www.phamcham.dev/duofacts/policy Terms of Use: https://www.phamcham.dev/duofacts/eula
Latest release
What’s New
Discover fascinating facts and expand your horizons! What’s New • We’ve updated and expanded our collection of surprising facts. • Performance improvements and minor bug squashing. • I’m traveling the globe to keep gathering fresh knowledge just for you.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 22, 2026 · 3:21 PM Free
Screenshots
