If an app is not on the official Google Play Store or Apple App Store, it is not verified by any trusted authority.
Some versions turn your device into a zombie in a Distributed Denial of Service (DDoS) botnet. While you browse "adult" content, your phone is secretly attacking websites or other users.
TikTok 18+ APK is a modified version of the popular social media app TikTok, designed for users aged 18 and above. The original TikTok app has a minimum age requirement of 13 years old, but this version is specifically tailored for adults.