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Subscriptions run through Apple. On your iPhone, open Settings, tap your name, then Subscriptions, choose CycleChef and tap Cancel Subscription. Cancel at least 24 hours before the trial ends and you won't be charged.

Apple handles all payments, so refunds go through them. Request one at reportaproblem.apple.com.

Open CycleChef on your new phone and tap Restore purchases at the bottom of the subscription screen. Make sure you're signed in with the same Apple ID you bought it with.

On your iPhone. CycleChef doesn't send your cycle, check-ins or meals to a server. Read the details in our privacy policy.

In the app, open your profile and tap Delete my data. Everything the app has stored is erased. Deleting the app does the same.

Try it in good light, with the food filling most of the frame. Packaging with clear text works well too. You can also pick a photo from your library instead. If it still can't place your food, email us which one it missed and we'll look at it.

Predictions get better as you log more periods. Check your cycle length and period length in your profile, and log the first day of each period when it starts. If you use hormonal contraception, your bleeding pattern can differ from a natural cycle, so treat the phases as a rough guide.

No. It gives general information about food and your cycle. If you're pregnant, have a medical condition or an eating disorder, please talk to your doctor or a dietitian.