Scam Alert!
I too was taken in by this app. Even a dollar would be too much. I didn’t read the reviews (kicking myself!) because of the endorsement of the GAPS book author, Dr. Natasha Campbell-McBride, on the gapalicious.com website. After buying this and then backtracking the sites I had been to, to gain more understanding of the diet, I now see that almost all of them are acting like they are affiliated with her and making their sites look like they are hers. Be very careful if you are looking for help with this diet.
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Gapalicious