# Auto-Key | Music key detection

> Music key and scale detection

Canonical page: [https://chrome-stats.com/d/id1559061303](https://chrome-stats.com/d/id1559061303)

## Overview

- **ID:** `id1559061303`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Antares Audio Technologies, LLC
- **Category:** Music
- **Rating:** 3.80 / 5 (97 ratings)
- **Version:** 1.1.0
- **Last updated:** 2022-01-25
- **First published:** 2021-08-24
- **Size:** 38 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/auto-key-music-key-detection/id1559061303)
- **Privacy policy:** [https://www.antarestech.com/privacy-policy/](https://www.antarestech.com/privacy-policy/)

## Description

Auto-Key detects the musical key and diatonic key from audio in seconds and lets you share and sync with Auto-Tune sessions in your DAW. It captures a few seconds of sound to determine the most likely key.

Use Auto-Key Mobile to detect key from any audio source—speakers, acoustic instruments, or voice. Tap the Auto-Key logo to reveal the key. Developed by Antares, inventors of Auto-Tune.

## Rankings

- #147,524 — Overall

## Review summary

Users like the app for easy key detection, a visible piano keyboard, and Auto-Tune workflow integration, plus the scales feature and ease of jamming. However, frequent complaints focus on mandatory sign-in/privacy concerns, inconsistent/inaccurate key detection (especially for non-major/minor modes), reliability and volume issues, and paywalls that limit free use.

### Pros

- Easy-to-use with a simple, quick key-detection workflow and a keyboard view that helps beginners
- Useful for vocals and music production, and it integrates with Auto-Tune smoothly
- Generally accurate enough for many songs and works well on mobile
- Scales feature adds useful music-theory tooling
- Helpful for jamming with tracks (e.g., Spotify) and collaborating with other musicians

### Cons

- Requires an account and has data-sharing concerns; users report being blocked or asked to sign up and noting lack of Sign in with Apple
- Key detection is often inaccurate or inconsistent, especially with modal scales (e.g., misidentifying Bb Dorian as Ab Major)
- Reliability issues like intermittent failures or very low/ inaudible output and occasional unsatisfactory performance
- Free usage is limited by gating or paywalls (blocked after several uses or prompted to pay)

## Similar extensions and apps

- [Key Detect](https://chrome-stats.com/d/id824107485) — 2.20 / 5
- [Key Finder - Analyze any scale](https://chrome-stats.com/d/id6738587414) — 4.30 / 5
- [Song Key Finder 2](https://chrome-stats.com/d/id6479948100)
- [Song Key Finder](https://chrome-stats.com/d/id1324156175) — 2.80 / 5
- [KeySense](https://chrome-stats.com/d/id6754688749)
- [BlueKeyDetect](https://chrome-stats.com/d/id1493584771) — 5.00 / 5
- [KeyTuner](https://chrome-stats.com/d/id1328712601) — 4.70 / 5
- [JamKey: Key & BPM Finder](https://chrome-stats.com/d/id6755670543)
- [Key Changer](https://chrome-stats.com/d/id6780648386)
- [Aura Tuner](https://chrome-stats.com/d/id6759536004) — 5.00 / 5
- [KeyFinder](https://chrome-stats.com/d/id301281917) — 2.80 / 5
- [Tuneit - Instrument Tuner](https://chrome-stats.com/d/id6757811591)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id1559061303)