--- title: "Music Spectrograph — App Overview" url: https://marlvel.ai/apps/music-spectrograph category: Music developer: HotPaw Productions platforms: ios rating: 2.5 (4 ratings) pricing: paid report_level: overview generated: 2026-04-30 last_verified: "2026-04-30T08:30:41.332Z" --- > **Key Insight:** The app serves as a specialized educational utility for transcribing music by mapping audio frequencies directly to piano notes. | Metric | Value | |--------|-------| | Category | Music | | Rating | 2.5 ★ (4) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.9.5 | | Developer | HotPaw Productions | ## What is Music Spectrograph? Music Spectrograph is a real-time audio analysis tool that visualizes sound frequencies against a MIDI piano roll. It is designed to assist with music transcription and reverse engineering by providing high-resolution scrolling spectrograms. ## Key Features - **12th-octave MIDI-pitch-centered spectrograph**: Visualizes sound patterns aligned with a piano keyboard to identify specific musical notes. - **Playback controls**: Allows users to slow down music files by up to 8X or speed them up by 3X. - **Spectrograph history**: Records up to 4 minutes of audio history that can be paused, scrolled, and reviewed. - **Flexible audio input**: Supports live audio, files from the iOS music library, or external files via URL. ## Who is it for? Music students, educators, and musicians interested in visual sound analysis and transcription. ## Links - [App Store](https://apps.apple.com/us/app/music-spectrograph/id432044946?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/music-spectrograph) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/music-spectrograph).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*