Dreambutdonotsleep review for Heartcoding Sales & Discounts

I'm updating this review. The server error was very frustrating and did make us look unprofessional when we had said to customers the sale would end at a certain time and were unable to do anything about it, however the app is run by a small business and as a small business owner I understand that unfortunately these things can happen and I really do believe that they have done all they can to prevent it from happening again. The app is really slick and the countdown banners are particularly effective. I'll use it again for January sales. Really nice and slick app until my Black Friday sale should have ended, but kept going and when I try to access the app it says 'server error (500)'. I deleted the app hoping this would fix it, but it didn't. I went into the code of my website and deleted that, but somehow this app is still controlling the sale on my website. How is that even possible? I tried redownloading it, but got the same 'server error (500)'. It's now 1am, I've told all of my followers that the sale ended at midnight and I guess I'll wait a day or so to hear back from the company, because they don't have live chat and Shopify couldn't help. Such a mess. I feel really let down by this company