Very disappointed. Never received app after paying $90 – Blinkist: Book Summaries Daily Review

I purchased the annual plan and it was never delivered. The company charged me in May, and has not refunded me. I have contacted them 5 times, and have not received a response (except one who said someone would get back to me and they never did). I have never had this happen with any other app. Odd and very disappointed with customer service. Update 7/23/19: They continue to ignore my emails.... and have yet to receive a refund for the annual subscription I never received. Although they replied when they saw this review, they just asked me to email again. I did and still no response. Extremely frustrating. Will be reluctant to purchase any other expensive apps through Apple.
Review by ljk7979 on Blinkist: Book Summaries Daily.