Hear a song, decode it. Record or drop a video, polish it. SoundBud is your pocket studio for sound, for musicians, podcasters, and content creators. Record, upload, or drop in a video and in seconds get the key, BPM, chord progression with timestamps, and time signature. Then play what you decoded, learn it with a practice kit, and make any recording or video sound platform-ready and no PC. DECODE ANY SONG - Record up to 5 minutes or upload MP3, WAV, M4A, FLAC, AAC, OGG, AIFF - Drag the waveform to pick exactly which 15 to 60 seconds to analyze - Auto-detects key, BPM, time signature, and the full chord progression with timestamps - Genre, instruments, and song recognition (premium) - Tap any value to fix it. Your ear always wins. PLAY AND PRACTICE - Synth Chords: hear every chord played back in time - Slow-Downer: 50 to 100 percent speed, pitch preserved - Section Looper: tap measures to loop a tricky phrase - Transpose: shift chords and key by plus or minus 6 semitones - Metronome locked to playback - Export decoded chords as MIDI, straight to your DAW FOUR AI MUSIC THEORY MODES - Theory: Roman numerals, harmonic function, tonal center, and a practical tip - Solo Guide: per-chord scales, target notes, guide tones, tensions, and licks - Reharmonize: substitutions, tritone subs, ii-V insertions, and color chords - Explain Simply: plain-language breakdown for beginners, with play-along ideas Color-coded chips show diatonic, borrowed, and secondary chords at a glance. Lead-sheet view syncs to playback in real time. POLISH ANY SOUND, EVEN VIDEO A studio-grade suite for creators, podcasters, and musicians, on recordings, uploads, and video. - Video in, video out: drop a video, get clean platform-ready audio back as video. Video editors fix the picture, SoundBud fixes the sound. - Voice-Over: de-esser, breath removal, clarity, room-tone reduction - Ducking: auto-dip background music under your voice - 6-band EQ and compressor: Light, Medium, Heavy, or fully manual - Tighten: remove long silences from voice recordings in one tap - On-device RNNoise noise reduction - True-peak limiter, LUFS comparison meter, publish-readiness verdict, AI Tips - A/B preview, undo/redo, export as WAV or 320 kbps MP3 PLATFORM-READY IN ONE TAP Presets tuned for Spotify, Apple Music, YouTube, TikTok, Podcast, and Instagram. Pick your platform, SoundBud sets the loudness and true-peak targets for you. CREATE AND SHARE - Sound-reactive 3D visuals, customizable and exported as a video - Quick, fun music-theory quiz cards while you wait LIBRARY AND EXPORT Every decoded track is saved to your local Library to search, replay, and edit. Export a clean PDF lead sheet with chords, theory, and AI insights (premium). The Dark Studio interface is inspired by professional DAWs. English and Turkish. Western and Solfege notation. iOS 15.1 and up. PREMIUM Free includes 4 song decodes per week (key, BPM, chords, time signature), 1 AI insight per day, 5 Polish actions per week, 5 library saves per month, 1 video polish per month, and 1 watermark-free video export per month. Premium removes the limits and unlocks everything: all four AI modes including Solo Guide and Reharmonize, genre and instrument detection, song recognition, the full Play and Practice kit, the advanced Polish suite (voice-over, 6-band EQ, manual compression, all platform presets, true-peak limiter, LUFS meter, video polish), PDF export, every 3D visual with unlimited watermark-free video export, and an ad-free experience. Premium is a monthly or yearly subscription. It auto-renews unless canceled at least 24 hours before the period ends. Manage or cancel anytime in your iOS subscription settings. Privacy: audio is processed and deleted. No recordings are stored on our servers. AI insights use anonymized metadata only, never your raw audio. Terms: https://soundbud.alpaconaudio.com/terms Privacy: https://soundbud.alpaconaudio.com/privacy Support: https://soundbud.alpaconaudio.com/contact