# SoundBud: Chord & Key Finder — Master audio, video, podcast > AI-powered music and audio analysis, creation, and polishing studio. (iPhone/iPad app by Alp Kurbetci.) - Source: https://appshunter.io/ios/app/soundbud-chord-and-key-finder/id6743235275 (this page in markdown: same URL + `.md`) - Developer: [Alp Kurbetci](https://appshunter.io/developer/1801999503) - Category: Music, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 101 MB - Languages: American English - Released: 2025-07-13 - Data updated: 2026-09-15 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/soundbud-chord-and-key-finder/id6743235275/reviews.md ## What is SoundBud? Hear a song, decode it. Record or drop in a video, polish it. SoundBud is your pocket studio for sound, built for musicians, podcasters and content creators. Record, upload, or send audio and video from any other app with the iOS share sheet. In seconds you get the key, BPM, chord progression with timestamps, and time signature. Then play what you decoded, learn it with the practice kit, and get any recording or video sounding platform-ready without opening a computer. 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: 1x, 0.75x or 0.5x, pitch preserved - Section Looper: tap measures to loop a tricky phrase - Transpose: shift chords and key by up to 6 semitones either way - Metronome locked to playback, and a chromatic tuner on the record screen - Export MIDI two ways: the chord chart as block chords, or the melody transcribed note by note on your device 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 mark diatonic, borrowed and secondary chords. The lead sheet follows playback in real time. POLISH ANY SOUND, EVEN 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 noise reduction, files up to 90 minutes, lossless trim - True-peak limiter, LUFS comparison meter, publish-readiness verdict, AI Tips - A/B preview, undo/redo, export as WAV or 320 kbps MP3 - One tap sets the loudness and true-peak target for Spotify, Apple Music, YouTube, TikTok, Podcast or Instagram 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 Library to search, sort, replay, and edit. Export a clean PDF lead sheet with chords, theory, and AI insights (premium). A Dark Studio interface 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 video export per month (Spectrum Bars visual, watermarked). Premium removes the limits and unlocks everything: all four AI modes, 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 no ads. 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: your audio is processed for analysis and deleted right after. Nothing is kept on our servers, and AI insights use anonymized metadata only. Terms: https://soundbud.alpaconaudio.com/en/legal#terms Privacy: https://soundbud.alpaconaudio.com/en/legal#privacy Support: info@alpaconaudio.com ## Key features - AI-powered song analysis (key, BPM, chords) - Audio recording and uploading - Practice tools (slow-downer, looper) - Music theory analysis modes - Audio polishing suite - Customizable 3D visuals - Local library for saved tracks ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | SoundBud Premium (Monthly) | $3.99 | per month | | SoundBud Premium (Yearly) | $34.99 | per year | ## Frequently asked questions about SoundBud ### What can SoundBud analyze in a song? SoundBud can analyze and detect the key, BPM, chord progression with timestamps, and time signature of any recorded or uploaded song. Premium features also include genre, instrument, and song recognition. ### Does SoundBud have ads? Yes, SoundBud contains advertisements. As a free application with in-app purchases, advertisements are part of the user experience. ### What are the premium features of SoundBud? Premium unlocks unlimited access to all AI modes, genre/instrument/song recognition, the full Play and Practice kit, advanced audio polishing tools, PDF export, and unlimited watermark-free video exports. ### How does SoundBud help with practicing music? SoundBud offers a Slow-Downer to adjust playback speed while preserving pitch, a Section Looper to repeat tricky phrases, and a metronome locked to playback, all designed to aid in learning and practice. ### What audio formats can SoundBud import? SoundBud supports importing MP3, WAV, M4A, FLAC, AAC, OGG, and AIFF audio files for analysis and editing. ### What devices is SoundBud compatible with? SoundBud is compatible with iPhones and iPods running iOS 15.1 or later. ### How often is SoundBud updated? The latest version of SoundBud is 5.0.1, and it was last updated on June 16, 2026. Updates typically bring new features and improvements. ### Can I export my analyzed music from SoundBud? Yes, you can export your audio as WAV or 320 kbps MP3. Premium users can also export a clean PDF lead sheet with chords, theory, and AI insights. ## Version history (last 5 releases) ### 6.0.0 — 2026-09-09 What's New in This Version: - Turn a recording into MIDI notes, not just chords. Transcription runs on your device, no upload. - Your Library now sorts by date, name, key or BPM, so a long list stays usable. - New demo track: hear exactly what SoundBud does before you record anything. - Start an analysis and put your phone down. We will tell you when the result is ready. - The tuner now reads high notes correctly, and the metronome holds tempo at every speed. - Steadier playback and exports, plus a long list of stability fixes. Thanks for creating with SoundBud! ### 5.1.1 — 2026-08-18 We fixed some bugs and made a few improvements. Thanks for creating with SoundBud! ### 5.1.0 — 2026-07-15 Now your video gets the studio treatment too! Drop in a video, get clean, platform-ready audio back, exported as video. New in this update: - Video in, video out: polish your voice and mix without leaving the app - Smarter mastering: SoundBud now detects voice vs music and sets the right chain automatically - Publish-readiness check: see if your take is ready for the platform, with clear reasons why - Tighten: strip long silences out of a voice recording in one tap - MIDI export: send your decoded chords straight to your DAW - A faster, cleaner Polish flow, plus UI fixes Thanks for creating with SoundBud. Feedback: soundbud.alpaconaudio.com/contact ### 5.0.1 — 2026-06-16 SoundBud v5! Our biggest update yet. PLAY WHAT YOU DECODE (NEW) - Synth Chords: hear any progression played back as clean synth tones, in time - Slow-Downer: 50 to 100% speed, pitch preserved - Section Looper: tap measures to loop a tricky phrase - Transpose: shift chords and key by ±6 semitones, heard instantly - Metronome locked to playback SMARTER, FASTER ANALYSIS - Pick exactly how much to analyze: drag the waveform from 15 to 60 seconds - Faster, more optimized key, BPM and chord detection - Redesigned Theory, Solo Guide and Reharmonize: clearer, more musical, better UI CREATE AND SHARE (NEW) - Sound-reactive 3D visuals you can customize and export as a video - Quick, fun music-theory quiz cards while you wait, in analysis and video export POLISH, REFINED - Optimized ducking attack and release, fully overhauled Polish suite, bugs fixed English and Turkish. Tap any value to fix it. Squashed some bugs in v5.0.1 ### 5.0.0 — 2026-06-15 SoundBud v5! Our biggest update yet. PLAY WHAT YOU DECODE (NEW) - Synth Chords: hear any progression played back as clean synth tones, in time - Slow-Downer: 50 to 100% speed, pitch preserved - Section Looper: tap measures to loop a tricky phrase - Transpose: shift chords and key by ±6 semitones, heard instantly - Metronome locked to playback SMARTER, FASTER ANALYSIS - Pick exactly how much to analyze: drag the waveform from 15 to 60 seconds - Faster, more optimized key, BPM and chord detection - Redesigned Theory, Solo Guide and Reharmonize: clearer, more musical, better UI CREATE AND SHARE (NEW) - Sound-reactive 3D visuals you can customize and export as a video - Quick, fun music-theory quiz cards while you wait, in analysis and video export POLISH, REFINED - Optimized ducking attack and release, fully overhauled Polish suite, bugs fixed English and Turkish. Tap any value to fix it. ## Apps similar to SoundBud | App | Rating | Price | Category | | --- | --- | --- | --- | | [Mix-MasterPro](https://appshunter.io/ios/app/mix-masterpro/id6761647582) | 5.0 (2) | Free | Music | | [Chord Finder Guitar Chords AI](https://appshunter.io/ios/app/chord-finder-guitar-chords-ai/id6761331064) | — | Free | Music | | [Achordy](https://appshunter.io/ios/app/achordy/id6742419870) | — | $4.99 | Music | | [DJ Mixing Tools](https://appshunter.io/ios/app/dj-mixing-tools/id6760733517) | — | Free | Music | | [Mobile MIDI](https://appshunter.io/ios/app/mobile-midi/id6762522027) | — | $8.99 | Music | | [ChordMaster AI](https://appshunter.io/ios/app/chordmaster-ai/id6747596399) | — | Free | Music | ## More apps by Alp Kurbetci - [WisoCare: Skin Analysis AI](https://appshunter.io/ios/app/wisocare-skin-analysis-ai/id6761473307) All apps by Alp Kurbetci: https://appshunter.io/developer/1801999503 ## Related topics [key finder](https://appshunter.io/ios/topics/key-finder) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-15.*