# Frequency Detector Tool vs VelocityScaler

The clearest difference is iOS requirement: Frequency Detector Tool at 15.0 against VelocityScaler's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Frequency Detector Tool | VelocityScaler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequency-detector-tool/id6786799596/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 9 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Eye Heru](https://appshunter.io/developer/6786799838) | [mattoncino software](https://appshunter.io/developer/485704837) |

## 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


### VelocityScaler

[App page](https://appshunter.io/ios/app/velocityscaler/id6795216541)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Detector Tool free?

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

### Is VelocityScaler free?

VelocityScaler is free to download, with no in-app purchases.

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

Neither Frequency Detector Tool nor VelocityScaler 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.*