Ovulation, Glow app recommendation, or BBT

Like many of you I have been taking my temperature every morning before getting out of bed and I noticed the drop in my temperature before ovulation. However, I have been also monitoring if I did indeed ovulate and the test each morning are coming out negative. So which do you all go by? The temperature, the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> when it tells your your chances are high for pregnancy, or the ovulation test kit results?