All Natural Cycles hardware devices

Choose the right device for you

Analyzing your unique temperature data is key to how Natural Cycles works, but we know everyone’s routine is different. Browse our devices to find the right fit for you!

All Natural Cycles hardware devices

Apple Watch

Apple Watch

NC° Thermometer

Oura Ring

What do I need to do?

Using our hormone-free birth control is as easy as 1, 2, 3.

Measure your temperature

All devices for Natural Cycles

Open the NC° app

Natural Cycles

Confirm daily fertility status

Natural Cycles

What's included?

NC° is 93% effective with typical use and 98% effective with perfect use — no matter which device you choose.

Apple watch

Apple Watch

  • Measure overnight
  • Most requested by users
  • Automatic sync
Thermometer

NC° Thermometer

  • Measure in the morning
  • Free with the Annual Plan
  • Sync with Bluetooth
Oura ring

Oura Ring

  • Measure overnight
  • Loved by users
  • Exclusive offer for users
Thermometer NC

What our users say

Common questions

The future of 
hormone-free birth control is here