For dogs
13 tones · 8 protocols
Sub-bass grounding, gamma support for senior brains, and counter-conditioning routines for noise phobia and separation anxiety.
Sound therapy · Peer-reviewed
The calm your pet can hear.
Research-backed frequencies that ease anxiety, sharpen aging minds, and settle the hardest moments. Built on peer-reviewed animal audiology.
Live
tuning · 432 Hz24
Research-backed tones
13
Guided protocols
20+
Studies cited
0
Ads · 0 tracking
Why Furrquency
Every tone earns its place.
The library, the protocols, and the pillars, side by side. Swipe through what we built and the research behind it.
Frequency · 432 Hz
The grounding tone
Lowers heart rate and cortisol in dogs during shelter stress trials.
Bowman et al. 2015Open
Frequency · 40 Hz
Gamma for aging minds
Restores cortical activity in mouse models of cognitive decline.
Iaccarino et al. 2016Open
Frequency · 25–50 Hz
The purr range
Tied to feline self-healing and reduced anxiety in clinical settings.
Hampton et al. 2020Open
Outcome · Calm
Settle the hard moments
Layered tones for fireworks, vet visits, and separation distress.
Open
Outcome · Sleep
Deeper, longer rest
Sub-bass grounding paired with Solfeggio for evening wind-down.
Open
Outcome · Focus
Sharper aging minds
40 Hz gamma protocols designed for senior dogs and cats.
Open
Outcome · Recovery
Pain and tissue support
Vibrational therapy in the documented healing range.
Open
Protocol · Thunder
Storm phobia
Counter-condition fear of fireworks and storms with layered exposure.
Free · 25 minOpen
Protocol · Vet visit
Clinic-day calm
Pre-appointment session shown to reduce stress markers in cats.
Free · 20 minOpen
Protocol · Alone time
Separation anxiety
Graduated cue-and-tone routine for dogs left at home.
Free · 30 minOpen
Pillar · Dogs
Built for canine hearing
Tones tuned to canine 40 Hz–60 kHz audiogram.
Open
Pillar · Cats
Feline-specific range
Mid-frequency emphasis matched to cat preference studies.
Snowdon et al. 2015Open
Pillar · Senior pets
Cognitive support
Gamma protocols for aging brains showing early decline.
Open
Pillar · Anxious pets
Rescue-friendly tones
Low-arousal sessions for sensitive or recently adopted pets.
Open
Outcomes
Four things your pet will feel.
Built on the research
Peer-reviewed, end to end.
Every frequency in the library traces back to a published study in animal audiology, bioacoustics, or vibrational therapy. We name the source on every tone.
- Andics et al. 2014 · Voice-area specialization in the dog brainDOI ↗
- Snowdon, Teie & Savage 2015 · Cats prefer species-appropriate musicDOI ↗
- Iaccarino et al. 2016 · Gamma frequency entrainment attenuates cognitive declineDOI ↗
Studies referenced
20+
Research domains
3
Source-cited tones
100%
Live engine
3 layers · 432 / 528 / 40 Hz432 Hz528 Hz40 Hz25 Hz
The engine
Layer tones live in your browser.
No app, no login, no audio files. Furrquency synthesizes every frequency in real time with the Web Audio API and mixes them on the fly.
For cats
11 tones · 5 protocols
Purr-range comfort tones, vet-visit calm, multi-cat harmony sessions, and cognitive support for senior cats.
Press play. They’ll settle.
Pick a tone, layer a few, or follow a protocol. The engine is already warm.