![All Natural Cycles hardware devices](https://www.datocms-assets.com/21281/1713949278-background_devices_hero.jpg?auto=format&w=2408)
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](https://www.datocms-assets.com/21281/1713948250-devices_hero_mobile.jpg?auto=format&w=750)
Apple Watch
![Apple Watch](https://www.datocms-assets.com/21281/1704888829-oh_nature_still_010_8k-5.jpg?auto=format&w=1329)
NC° Thermometer
![](https://www.datocms-assets.com/21281/1704888864-oh_nature_still_010_8k-5-1.jpg?auto=format&w=1329)
Oura Ring
![](https://www.datocms-assets.com/21281/1704888887-oh_nature_still_010_8k-4.jpg?auto=format&w=1329)
What do I need to do?
Using our hormone-free birth control is as easy as 1, 2, 3.
Measure your temperature
Open the NC° app
Confirm daily fertility status
What's included?
NC° is 93% effective with typical use and 98% effective with perfect use — no matter which device you choose.
![Thermometer NC](https://www.datocms-assets.com/21281/1683210810-t2.jpg?auto=format&w=3324)