Frequently Asked Questions

Didu delivers one surprising, science-based insight to your phone every morning. Each "drop" takes under 2 minutes to read and covers topics from psychology to cosmology. No feed, no scroll — just one calm idea to start your day.

Didu is free to try. After the trial, it's $9.99/month or $29.99/year. No ads, no hidden fees. You can cancel anytime through your App Store settings.

Every day of the week has its own theme: Sunday is Universe & Philosophy, Monday is Psychology & Behaviour, Tuesday is Science & Technology, Wednesday is History & Culture, Thursday is Economy & Society, Friday is Nature & Biology, and Saturday is Art & Creativity.

Every drop is researched, written, and fact-checked by our editorial team. Each insight includes at least two sources so you can verify and explore further. We consult with scientists and subject matter experts to ensure accuracy.

Didu is currently available on iOS through the App Store. Android is on our roadmap — stay tuned.

Yes! Your drops are saved in the app so you can revisit them anytime. You can also save your favourites for easy access.

After each drop, you can take a short quiz to test what you learned. These quizzes are designed to help move insights from short-term to long-term memory. It's a fun way to actually remember what you read.

No. Didu has no ads, no tracking, and no data selling. We're funded entirely by subscriptions. Read our Privacy Policy for the full details.

Open the Settings app on your iPhone, tap your name at the top, then Subscriptions. Find Didu and tap Cancel Subscription. You'll keep access until the end of your current billing period.

Didu is currently available in the EU through the App Store. We're planning to expand to more regions soon.