As of 2026-05-26, Threema OnPrem was tested in 57 Apple App Store storefronts — available in 10, unavailable in 47 (AG, AI, AR, ZM, ZW, BB, BF, RW, BM, BO, BR, SC, BW, SL, KE, SN, ST, CD, CG, CI, SZ, CL, CM, CN, KY, TD, CV, TW, LR, TZ, LV, UG, MG, ML, MR, MW, MZ, VG, NA, NE, NG, NP, FJ, GA, GH, GM, GW).Roughly 2.5 billion people live in the 47 storefronts where it is unavailable. App unavailability does not by itself prove censorship.