digital test?

Ellie • Engaged to my soulmate💏and newly a SAHM to a 8 year old boy 👶🏽 4 year old girl and my newest baby girl born 1/25/18👶🏽👶🏽🎀🎀 💕
Has anyone gotten a positive on a digital pregnancy test before their missed period? If so, how many days before it? Are they as accurate as the '6 days before missed period'?