Girls need your help

Be

What Fitbit has the <a href="https://play.google.com/store/apps/details?id=com.glow.android">ovulation tracker</a> on it as well? I’ve only just heard of this

I want an Ava or ovusense but just far to expensive for me and the only Bluetooth bbt thermometer I can find is £35 and it only records your temp

Are there any other ones I’m missing? That are in a reasonable price range x