DJ Mixer - Bass Booster for Android

The good stuff

What actually works here is the bass booster. It’s not subtle - turn it up and suddenly your music hits harder, which is great if you’re playing at a backyard gathering and want people to feel the beat. The tempo control is also surprisingly usable for a free app. I managed to sync two tracks from different genres by eyeing the BPM counter and adjusting the slider until they matched. It wasn’t perfect, but it was close enough to make a smooth transition. And the crossfader feels responsive enough for casual mixing - not pro-level, but better than most beginner apps I’ve tried.

The not-so-good

And yeah, it’s definitely lacking in polish. The interface looks like it hasn’t been touched since 2016 - no real visual feedback when you adjust levels, and the track library is… underwhelming. You can’t import your own music unless you’re using a file manager trick, which isn’t obvious. Also, there’s no auto-beat detection, so syncing tracks manually is kind of a chore. The app also doesn’t save playlists, so every time you restart, you’re back to square one. And the whole thing runs on an unknown developer - no website, no support, nothing. That’s a red flag if you care about updates or security.

Bottom line

If you’re just messing around with music on your phone and want a quick way to boost bass and blend two songs, this DJ Mixer - Bass Booster for Android might be worth a download. But don’t expect anything serious. It’s not built for live sets, and the lack of features makes it hard to recommend over other free options like Soundtrap or even the old-school Audacity mobile app. Save yourself the hassle - use it once, see how it feels, then move on. It’s free, so it’s not a big loss. But if you're serious about DJing, look elsewhere.