Animal Ears

Apps4Animals

Contains adsIn-app purchases

About this app

🎧 Upload a sound and hear it back the way an animal would.

🐾 45 animals, one tool
Dog: It hears squeals so high they're silence to you: that's why ‘silent' whistles work.
Cat: It reaches nearly four times higher than you: it hears mice talking on a private channel.
Bat: It hunts in the dark by reading the echo of its own shouts, five times above your ceiling.
Elephant: It talks in rumbles so deep they travel for miles and you barely feel them.
Dolphin: It reaches seven times higher than you and uses its clicks' echo to ‘see' underwater.
Owl: It catches a mouse in total darkness on hearing alone, and doesn't miss.
Shark: Only lows interest it: a wounded fish thrashing hundreds of metres away.
Moth: Ears with a single mission: spot the bat before it's too late.

🔬 Nothing invented here: this comes from real studies
Every animal here has a real measurement behind it: scientists who checked, pitch by pitch, the volume at which it starts to hear. We use those curves to transform your sound, and we cite the source on every page. It's an honest approximation, not an exact copy of what the animal feels.

📚 A plain-English guide to hearing
• Audiogram: An animal's hearing report card: a graph showing the quietest volume it needs before it starts to hear each pitch. The lower the line sits, the sharper its hearing. It's the same kind of test they run on you at the audiologist.
• Ultrasound: Sounds so high your ears no longer register them: above about 20,000 Hz. To you they are total silence, but a dog, a cat or a bat hears them perfectly. That's exactly where a ‘silent' dog whistle lives.
• Infrasound: Sounds so deep your ears no longer register them: below about 20 Hz. Rather than hearing them, you'd feel a tremor in your chest, like a heavy lorry going past. Elephants and pigeons do sense them, even from miles away.
• Hertz (Hz): Hertz count how many times per second a sound vibrates. Few vibrations = low (the rumble of thunder, about 30 Hz). Many vibrations = high (a microwave beeping, about 3,000 Hz). And ‘1 kHz' is just shorthand for 1,000 Hz. You hear, roughly, from 20 Hz to 20,000 Hz.
• Equalisation: Turning the lows, mids and highs up or down separately. It's what the bass and treble knobs on a stereo do, and it's exactly what Animal Ears does to your sound to leave it the way each species hears it.

📊 Audiogram data
Which pitches it hears • Hears best at • Frequency • Threshold (dB)

🔐 Everything runs on your device. Nothing is uploaded.

📖 Let's be honest
This is a close approximation, not an exact copy. We start from measurements published in scientific studies, but nobody can climb inside an animal's head to check what it actually feels like.

What’s new

New app icon and visual identity.