Avoid downloading "Pro" or "Premium" APKs from unofficial "mod" sites. These files are often tampered with and can contain malware or trackers. The official is the only verified "Pro" experience.
Another reliable source for older versions of ZArchiver if you need to roll back due to performance issues on newer updates. Important Safety Note Download ZArchiver Pro build 10525 arm64 v8a apk
You can find the archived ZArchiver 1.0.5 (10525) arm64-v8a on APKMirror, which is a reputable site for hosting original, unmodified APK files. Avoid downloading "Pro" or "Premium" APKs from unofficial