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Receive retrospective ovulation estimates on Apple Watch Series 8 or Apple Watch Ultra – Apple Support (UK)
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![I think even guys who have girlfriends should have this app "on track" updated with their cycle. green means ovulating, pink means period. and it's accurate. : r/iphone I think even guys who have girlfriends should have this app "on track" updated with their cycle. green means ovulating, pink means period. and it's accurate. : r/iphone](https://external-preview.redd.it/V7rhc3hUjW5JZF65lhCIuybDydkj48bbVFLN5VjXOBI.jpg?auto=webp&s=d955d44f8a350dc40437c8d5e17f747ecccfc37d)