But Why??

Turn any "but why?" into a fun, age-perfect explanation. Ask by voice or text, get custom illustrations, and listen with read-aloud. Free to start

But Why? turns endless questions into real learning moments.

Every parent knows the feeling. Your kid looks up and asks "But why is the sky blue?" or "But why do we dream?" — and you want to give them a real answer, not a vague "it's complicated."

That's exactly what But Why? is for.

Using AI, But Why? generates clear, age-appropriate explanations tailored to your child's actual age. A four-year-old and a twelve-year-old both deserve good answers — they just need them explained differently. But Why? handles that automatically.

WAYS TO ASK

• Type your question • Speak it out loud — voice input transcribes automatically • Snap a photo — point the camera at anything and ask about it

WHAT YOU GET BACK

• A clear, readable answer written for your child's specific age • AI-generated illustrations (Premium) that bring concepts to life • Read Aloud mode — the app reads the explanation in a natural voice • Related topics — tap any suggested topic to explore further • Follow-up questions — keep the conversation going

Choose how much detail you want: Quick, Default, or Detailed.

CHILD PROFILES

Create a profile for each child with their name and age. But Why? automatically adjusts vocabulary, examples, and depth. Switch between kids with a single tap.

BUILT FOR PARENTS

No ads, no social features, no rabbit holes. Just questions and answers. The interface is warm, colorful, and easy to navigate.

PLANS

• Free — 3 questions per month • Basic — 40 questions per month • Premium — 150 questions per month, plus AI-generated illustrations

Subscriptions are billed monthly and can be managed or cancelled anytime in your App Store account settings.

Terms of Use: https://but-why.app/terms