# Frequency Detector Tool vs Beneath

The clearest difference is in-app purchases: Frequency Detector Tool at none against Beneath's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Beneath sells 2 in-app purchases, starting at $3.99 per 7 days. Frequency Detector Tool asks for nothing beyond the download.

## The numbers

| Metric | Frequency Detector Tool | Beneath |
| --- | --- | --- |
| 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 | — | Every 6 days |
| Monetization | Free | — |
| Size | 9 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Eye Heru](https://appshunter.io/developer/6786799838) | [InLads LLC](https://appshunter.io/developer/1865424544) |

## 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


### Beneath

[App page](https://appshunter.io/ios/app/beneath-songdna-and-analyzer/id6787451771)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Frequency Detector Tool free?

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

### Is Beneath free?

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

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

Neither Frequency Detector Tool nor Beneath 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.*