Reviewers largely see SimpMusic as a clean, simple Android music app that feels close to Spotify or YouTube Music while removing ads and adding useful extras like background play, downloads, lyrics, customization, and account syncing, especially with YouTube and sometimes Spotify. People repeatedly praise the interface and offline listening, but several also report buffering, occasional crashes or cache issues, and inconsistent search, recommendations, or synced lyrics. Common requests include better library organization, clearer downloaded-song views, easier sign-in, and smoother playback reliability.