# Key Detect vs Find the Note

The clearest difference is price: Find the Note at Free against Key Detect's $2.99. Find the Note also leads on review sentiment (75% vs 32%) and rating (4.5 vs 2.2). Key Detect's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Find the Note is free to download; Key Detect costs $2.99 up front. Find the Note sells 1 one-off in-app purchase. Key Detect asks for nothing beyond the download.

Find the Note holds the better App Store score, 4.5 against 2.2. That said, the two scores are not equally well evidenced: Find the Note has 262 ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 32% of Key Detect's written reviews are positive against 75% of Find the Note's.

Key Detect ships an update fortnightly, Find the Note monthly. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Key Detect | Find the Note |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.2 (37 ratings)](https://appshunter.io/ios/app/key-detect/id824107485/reviews) | **[4.5 (262 ratings)](https://appshunter.io/ios/app/find-the-note/id1612908617/reviews)** |
| Number of ratings | 37 | **262** |
| Positive reviews | 32.4% of reviews | **75.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#198** | — |
| Size | 18 MB | 41 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MIXVIBES](https://appshunter.io/developer/417255034) | [White Bread Games](https://appshunter.io/developer/447735101) |

## What reviewers say

### Key Detect

[App page](https://appshunter.io/ios/app/key-detect/id824107485)

**Currently charting:** #198 Top Paid · Music (US App Store)

Instantly identify the musical key of any sound using your device's microphone. Ideal for DJs, musicians, and music students, it provides real-time harmonic analysis and supports both classic and harmonic notation.

**Highlights:** Real-time key identification, Harmonic mixing support, Musical theory training, Classic and harmonic notation, Dynamic tone change display

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for music production
- 👍 Helpful for DJs
- 👍 Good for songwriting
- 👍 Works for electronic music
- 👍 Identifies key nicely

**What reviewers complain about**

- 🐛 Doesn't work
- 🐛 Not reliable
- 🐛 Crashes on opening
- 🐛 Rubbish
- 🐛 Absolute rubbish

**Reported bugs**

- Crashes every time on opening
- Stopped working suddenly
- Won't pick up any sound
- Doesn't stay open
- Start button only changes color, unclear status

**Requested features**

- Add a help link or option
- Update the app for new iOS versions
- Improve accuracy for non-electronic music
- Provide clear instructions


### Find the Note

[App page](https://appshunter.io/ios/app/find-the-note/id1612908617)

This app uses your device's microphone to detect musical notes and their frequencies in real-time. It helps you tune instruments, practice scales, and track your progress with a history feature. Supports a wide range of instruments and clefs.

**Highlights:** Real-time note and frequency detection, Instrument tuning aid, Note history tracking, Supports numerous instruments and clefs, Voice and instrument input

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $2.99 | one-time |

**What reviewers like**

- 👍 Works as intended
- 🚀 Accurate note detection
- 💡 Helpful for learning music
- 👍 Simple and easy to use
- 👍 Great for specific instruments (harmonica, steel drum, etc.)

**What reviewers complain about**

- 🐛 Inconsistent performance (note detection issues, freezing, etc.)
- 💰 Paywall for full functionality
- 🔒 Microphone access issues
- 🔇 Lack of sensitivity/volume adjustment

**Reported bugs**

- App not detecting notes correctly
- Microphone access not working
- Crashing or freezing issues

**Requested features**

- Add support for more instruments and clefs
- Implement a note history/recording feature
- Add a sensitivity/volume adjustment slider


## Frequently asked questions

### Is Key Detect free?

Key Detect costs $2.99, with no in-app purchases.

### Is Find the Note free?

Find the Note is free to download, with in-app purchases available.

### Which has better reviews, Key Detect or Find the Note?

Find the Note is rated higher. Key Detect averages 2.2 out of 5 from 37 ratings, while Find the Note averages 4.5 from 262 ratings.

### Do Key Detect or Find the Note have ads?

Find the Note shows ads; Key Detect does not.

### Which is updated more often, Key Detect or Find the Note?

Key Detect ships an update fortnightly, and Find the Note monthly. Most recently, Key Detect was updated on September 27, 2026 and Find the Note on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*