Modified apps are essentially "cracked" versions of the original software. Because they are not verified by the Google Play Store, they often come with hidden costs:

While "Premium Mod Apks" for apps like claim to offer free access to paid features (like private numbers or ad-removal), using them comes with significant risks that usually outweigh the benefits. The Risks of Modded APKs

Across various modding forums and APK download sites, the v1.8.3 Premium Mod Apk is advertised as offering the following:

You may lose access if the number expires. 📥 How to Install Enable Sources: Allow "Unknown Sources" in your settings. Download: Get the APK file from a trusted source. Install: Open the file and follow the prompts. Launch: Open the app and select your first number.

Is this for a or do you need to keep the number long-term ?

. While these modified files often promise "Premium" features for free, they carry significant security and privacy risks. Risks of Using Modded APKs Malware & Spyware: