Smule’s systems can sometimes detect "unofficial" clients. If they catch you using a mod, your account (and all your recordings) could be permanently banned.
You can start your own "collabs" and solos rather than just joining existing ones. Is it Safe to Use? This is the "fine print" you need to consider: Smule Mod APK 10.4.3 (Premium).apk
If you just want to mess around for an afternoon, make sure you download from a and scan the file with a mobile antivirus first. Smule’s systems can sometimes detect "unofficial" clients
You get access to the full song library (millions of tracks) instead of just a few free ones. Is it Safe to Use
The annoying pop-ups between songs are stripped out.
Since these files are modified by third parties, they aren't vetted by Google. There’s always a risk of malware or spyware being bundled with the .apk .