Back when I was graduating from Uni, one day I just decided that Snap streaks pressure was too much. I had streaks of 700 days+ with a person I barely talked to. But most of my streaks were with my best friends, people I talked to every day.
It was like a daily ritual, and I couldn't escape it for a while. I decided to go cold turkey, since it felt like the only option. All my friends moaned and complained for a while. They even tried to revive the 'streak' back, but I persisted. Feels really silly when I look back, but 700 days means I was sending snaps everyday for 2 years straight.
I still have the app and there are still few friends of mine, who send me snaps about their whereabouts, but I have stopped using it. Blocking the notifications was one of the best decision that I could have made, since that was the single biggest factor in not opening the app itself.