OtoateSense

What's this sound? Listen and type your guess. Take on 30 sounds—animals, vehicles & more—then record your own. No ads, no in-app purchases, no data collection.

"What's this sound?" Just listen to the sound that plays, and type your answer. A simple but surprisingly deep sound-guessing quiz.

▼ How to play

1. Tap Start — a random sound plays (up to 3 seconds)
2. Tap "Replay" to listen as many times as you like
3. Type your answer on one line and submit
4. After all questions, see your score and accuracy!

▼ 30 varied sounds From animal calls, vehicles and instruments to nature and everyday sounds — familiar yet surprisingly tricky. Set 3 to 10 questions per game, however you like.

▼ Forgiving about how you answer "cat", "kitty", "meow"... the same sound can be called many ways. Synonyms, alternate readings, English and onomatopoeia are all accepted, so you can answer freely.

▼ Build your own sound quiz Just hold the mic to record sounds around you (up to 3 seconds). Add several accepted answers to make your own original questions. Great for asking family and friends, "What's this sound?" You can edit answers or re-record anytime, and store up to 20 recordings.

▼ Choose your mode

• Play with the built-in sounds only
• Play with your own recordings only
• Mix both together

Perfect for a quick brain teaser, testing your ear, or playing with family. Japanese / English supported — switch anytime in Settings.

※ Recordings are used only to create quiz questions and are never sent anywhere. ※ No ads, no in-app purchases, no data collection. No network access — fully offline.