---
title: "BlueKeyDetect — App Overview"
url: https://marlvel.ai/apps/bluekeydetect
category: Music
developer: Stefan Arnhold
platforms: ios
rating: 5.0 (1 ratings)
pricing: paid
report_level: overview
generated: 2026-05-04
last_verified: "2026-05-04T13:48:17.497Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app provides a quick, automated way to identify song keys and tempo, though performance depends on recording duration and the density of the audio source.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 5.0 ★ (1) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2401 |
| Developer | Stefan Arnhold |

<!-- SECTION: Summary -->
## What is BlueKeyDetect?

BlueKeyDetect is a music utility designed to identify the musical key and beats per minute (BPM) of a song through real-time audio recording. It serves as a tool for musicians in jam sessions who need to quickly determine the key of a track without relying on chord sheets.

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

- **Audio Key Detection**: Analyzes recorded audio segments to identify the musical key of a song.
- **BPM Tracking**: Calculates and displays the beats per minute of the recorded audio.
- **One-Touch Recording**: Initiates the analysis process with a single tap on the display.

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

Musicians and guitar or bass players participating in live jam sessions.

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

- [App Store](https://apps.apple.com/us/app/bluekeydetect/id1493584771?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/bluekeydetect)

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