Help!

Has anyone's <a href="https://play.google.com/store/apps/details?id=com.glow.android">ovulation tracker</a> on glow been accurate. I'm TTC baby #1 and I'm going by glow at the moment and I just want to know if anyone has had any success with glows <a href="https://play.google.com/store/apps/details?id=com.glow.android">ovulation tracker</a> . 
Thanks in advance! :)