As of 2026-06-03, Tucson Festival of Books was tested in 72 Apple App Store storefronts — available in 13, unavailable in 59 (PY, HR, YE, QA, AE, AF, ZA, AL, AU, AZ, RO, RS, BH, BJ, SA, BR, SC, BS, SG, SI, BY, SN, KG, ST, CH, CL, CN, CO, KY, CR, TC, CV, CY, TJ, LR, DK, DZ, EC, MK, MN, EG, MR, UZ, MU, MX, ES, VE, NE, NG, NI, NP, NR, FM, NZ, OM, GE, GY, PG, PH).Roughly 2.8 billion people live in the 59 storefronts where it is unavailable. App unavailability does not by itself prove censorship.