# Frequency Detector Tool vs TrackScope

The clearest difference is in-app purchases: Frequency Detector Tool at none against TrackScope's 3. Frequency Detector Tool also leads on iOS requirement (15.0 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. TrackScope sells 3 in-app purchases, starting at $4.99 per month. Frequency Detector Tool asks for nothing beyond the download.

## The numbers

| Metric | Frequency Detector Tool | TrackScope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/frequency-detector-tool/id6786799596/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 9 MB | 13 MB |
| Requires iOS | **15.0** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eye Heru](https://appshunter.io/developer/6786799838) | [Jose Andy Quintero Melo](https://appshunter.io/developer/6800690027) |

## What reviewers say

### Frequency Detector Tool

[App page](https://appshunter.io/ios/app/frequency-detector-tool/id6786799596)

Instantly analyze musical keys from any frequency in Hertz. It displays the corresponding musical note, cents deviation, and whether it's in key with your selected musical scale. Features vocal context notes and a full frequency chart for EQ guidance.

**Highlights:** Frequency to musical note conversion, Cents sharp/flat indication, In-key analysis for selected keys, Nearest cut candidate identification, Vocal context notes for EQ, Full frequency chart exploration, Solfeggio frequencies with associations

**Features:** macOS Compatibility

**In-app purchases:** none


### TrackScope

[App page](https://appshunter.io/ios/app/trackscope-music-analyzer/id6807841672)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrackScope Pro - Monthly | $4.99 | per month |
| TrackScope Pro - Yearly | $24.99 | per year |
| TrackScope Pro - Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Frequency Detector Tool free?

Frequency Detector Tool is free to download, with no in-app purchases.

### Is TrackScope free?

TrackScope is free to download, with in-app purchases available.

### Do Frequency Detector Tool or TrackScope have ads?

Neither Frequency Detector Tool nor TrackScope shows ads.

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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.*