Keep the machine. Upgrade the intelligence.
Your old fan. Your favorite stereo. Now they answer back.
▶ C01
▶ C02Still works. Still yours.
▶ C03Fits what you already have.
▶ C04Attach. Done.
▶ C06"Turn everything off." Everything did.
▶ C08One family. One line of truth.
▶ C09A 1998 fan, now a smart home device.
Most smart devices tell you the command was sent. Cusp tells you whether it actually happened.
Nothing to replace
Don't throw away what still works.
It confirms, not assumes
No more guessing whether it's on or off.
Still yours to touch
Buttons and dials still work by hand.
Set up in minutes
Point your phone, attach, done — except Cusp Core, which an electrician fits by the panel.
Works with your smart home
Your old devices show up in the app you already use.·Designed for Matter
Private by design
No always-on cameras or microphones.
Cusp Core
The central hub that sits beside your home's electrical panel and ties the whole home together.
Cusp Tap
For buttons and switches you press.
Cusp Ring
For knobs and dials you turn.
Cusp IR
For devices you used with a remote.
Cusp Sense Plug
For devices that plug into an outlet.
Cusp Sense Dot
The smallest module. It sticks almost anywhere.
Show it once. Cusp takes it from there.
Meet your device
- 01
Point your phone.
- 02
Cusp recognizes the controls.
- 03
It tells you what to attach.
- 04
Attach. It lights up.
- 05
Your device gets its own app.
A day in an older home
The devices you have, from morning to night, all at once.
Your parents' home
Check from afar that it's off. Risky devices are only watched.
Easy for everyone
For anyone who finds dials hard to turn — voice and app.
- AI recommends. Firmware decides. Hardware protects.
- Risky devices are watched, never switched.
- No always-on cameras or microphones. Processed at home.
What is Cusp?
Cusp turns the appliances you already own into smart devices that confirm they actually worked — without replacing them.
What's different about Cusp?
Most smart devices tell you the command was sent. Cusp tells you whether it actually happened.
Which devices does Cusp work with?
Most button, dial, and remote-controlled devices, starting with low-risk devices.
Can I still use my appliances by hand?
Yes. Buttons and dials still work by hand.
Does Cusp work with my smart home?
Cusp is designed for Matter.
Does Cusp use cameras or microphones?
No always-on cameras or microphones. Processing happens at home.
Does Cusp control heaters or stoves?
No. Risky devices are watched, never switched.
Is Cusp for builders and hotels too?
Yes — see Cusp for Builders, Hotels, and Business.