---
title: "Key Detect — App Overview"
url: https://marlvel.ai/intel-report/music/key-detect
category: Music
developer: MIXVIBES
platforms: ios, android
rating: 3.8 (402 ratings)
pricing: free
report_level: overview
generated: 2026-04-24
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers convenient, portable key detection, user feedback highlights concerns regarding interface clarity and inconsistent performance compared to file-based analysis tools.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 3.8 ★ (402) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 2.1.0 |
| Latest Version (Android) | 1.1.0 |
| Developer | MIXVIBES |

<!-- SECTION: Summary -->
## What is Key Detect?

Key Detect is a real-time audio analysis tool developed by Mixvibes that identifies the musical key of any sound via a device microphone. It is designed to assist DJs with harmonic mixing and help musicians with music theory and ear training. The app is notable for its lineage, coming from the creators of professional DJ software like Cross DJ and rekordbox.

<!-- SECTION: Key Features -->
## Key Features

- **Real-time Key Detection**: Identifies the musical key of any playing song or sound using the device microphone.
- **Flexible Display Options**: Shows detected keys in either classic musical notation or harmonic code.
- **Dynamic Tone Tracking**: Provides a dynamic display to follow changes in a tune's tone in real time.
- **Matching Key Suggestions**: Displays compatible keys to assist users with harmonic mixing transitions.

<!-- SECTION: Target Audience -->
## Who is it for?

DJs, music producers, and musicians looking for a portable, real-time tool for key identification.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/key-detect/id824107485?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.auto_key_mobile&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/music/key-detect)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/music/key-detect).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*