About this app
Your music, your device, no internet required. 4b music is a clean, beautiful offline music player for iOS. Import your audio files and enjoy a distraction-free listening experience — no accounts, no streaming, no ads. Import Your Music Bring in your MP3, FLAC, WAV, M4A, AAC, and OGG files using the built-in file picker, iTunes File Sharing, the Files app, or AirDrop. 4b music automatically reads metadata and album artwork from your files. Full Playback Controls Shuffle, repeat one, repeat all, and seek through your tracks with a beautiful full-screen player. A compact mini player keeps your music accessible while you browse your library. Background Playback & Lock Screen Keep listening while you use other apps. Control playback from your lock screen and Control Center with full now-playing integration. Personalize Your Look Choose from five handcrafted dark themes — Soft Graphite, Deep Purple, Midnight Navy, Warm Charcoal, and Ocean Teal. Switch instantly with a live preview. 100% Offline No internet connection needed. No sign-ups. No tracking. Just your music. Features at a Glance • Import MP3, FLAC, WAV, M4A, AAC, OGG • Background playback with lock screen controls • Shuffle and repeat modes • Album artwork display • Five dark color themes • Favorites playlist • Swipe to delete tracks • Auto-scan for files added via Files app or AirDrop • Duplicate detection • iOS-native Cupertino design
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 2:24 PM Free
Screenshots
