Keep the machine. Upgrade the intelligence.
Room equipment of every make and year, kept as it is — and confirmed off.
▶ 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
Your existing room equipment stays — nothing gets replaced.
It confirms, not assumes
"Off" confirmed at checkout, in one step.
Still yours to touch
No training for staff or guests.
Set up in minutes
Most modules clip on without taking a room out of service. Only Cusp Core, which sits by the electrical panel, needs an electrician.
Works with your smart home
Every module and device in one app.·Designed for Matter
Private by design
No cameras or microphones in the room.
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.
One room, one state
Equipment of every make and year in a room, read as a single verified state.
Catch the waste
Never miss something that shouldn't be on.
- 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.