Free
Ovulation and Pregnancy Calendar (Fertility Calculator, Gender Predictor, Period Tracker)
by XIAOFENG SHENGet the best Ovulation and Pregnancy Calendar now! OP Calendar predicts your fertility window by tracking your periods so that you can plan ahead for pregnancy
Last 20 Comments
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As a person who paid the extra fee for the calendar and who was using this app to track fertility windows, it is extremely annoying that this app has not been updated to work with IOS 11. 8 years ago
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Within the first month of downloading the calendar feature was taken away. 8 years ago
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Thank you Op Calendar! <3 My ovulation date was right on the date you provided. 8 years ago
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It tells you when the next menstrual cycle will be and ovulation. 8 years ago
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Accurate Great application. 8 years ago
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I really wanted boys and wit this app I swear I got the 2 baby boys I wanted 3. 8 years ago
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Been using for awhile and love it just waiting on update so I can keep tracking my cycle. 8 years ago
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App needs to be updated. 8 years ago
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Will you be updating this app to iOS 11? We can not use it otherwise. 8 years ago
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Hello, seems this app is not compatible with iOS 11. 8 years ago
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can you update this to the new ios 11 or 11. 8 years ago
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I don’t appreciate when I spend money on an application and the developer fails to make the app compatible with Apple updates. 8 years ago
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Could you update the app for iOS 11?. 8 years ago
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This app I just purchased 3 month ago then now I found out that it’s only 32bit and now update to work with IOS 11 don’t buy it. 8 years ago
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Dear developer of this app, as we receive update notice from Apple, this app will slow down our phone till the developer make support for iOS 11. 8 years ago
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Please update to work on the version of iPhone. 8 years ago
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Creator needs to update app. 8 years ago
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Can you update your app as I am unable to use it since the 11. 8 years ago
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Please update the application. 8 years ago
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I really liked this app! It needs updated to work with iOS 11!. 8 years ago