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I don't know what to trust FF and taking charge of your fertility or glow

I have never had a problem with fertility friend pinpointing my ovulation glow on the other hand is not so accurate I also have this new app called taking charge of your fertility and it too is going on the same ovulation day as fertility friend I do not understand why it's not adding up and how these two apps can try to say I ovulated before I even got a positive opk