Using modified apps like TrueCaller Premium from unauthorized sources poses severe risks, including potential malware, data theft, and permanent account bans. While such mods claim to offer features like ad-free browsing, they often lack security patches and violate the service's terms of use. For a secure experience, it is highly recommended to use the official version and its legitimate premium plans. You can find more information in the official support article from Truecaller . Why Modded APKs Are a Risk You Don't Want to Take