# Frequency Analyzer vs Tuning Fork Pro 20

The clearest difference is rating: Frequency Analyzer at 4.5 against Tuning Fork Pro 20's 3.0. Frequency Analyzer also leads on ratings volume (166 vs 2). Tuning Fork Pro 20's advantage is in-app purchases (none vs 11) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Frequency Analyzer sells 11 in-app purchases, starting at $2.99 per 7 days. Tuning Fork Pro 20 asks for nothing beyond the download.

Frequency Analyzer holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Frequency Analyzer has 166 ratings behind it against 2, so its average is the more settled of the two.

Frequency Analyzer ships an update every 8 days, Tuning Fork Pro 20 weekly. The most recent releases landed on September 27, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Frequency Analyzer | Tuning Fork Pro 20 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (166 ratings)](https://appshunter.io/ios/app/frequency-analyzer/id6468837339/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/tuning-fork-pro-20-20000hz/id6529535310/reviews) |
| Number of ratings | **166** | 2 |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 6 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## What reviewers say

### Frequency Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer/id6468837339)

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

**Highlights:** Real-time FFT analysis, Calibrated SPL measurements, 32-bit float audio recording, Synchronized video recording, Spectrogram and octave band analysis, Export WAV, CSV, images, and videos

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Analyzer Pro Weekly | $2.99 | per 7 days |
| Frequency Analyzer Pro Monthly | $3.99 | per month |
| Frequency Analyzer Pro Monthly | $3.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Annual | $29.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Pro access for lifetime | $89.99 | one-time |


### Tuning Fork Pro 20

[App page](https://appshunter.io/ios/app/tuning-fork-pro-20-20000hz/id6529535310)

This utility app provides a simple and straightforward tuning fork. It allows users to generate any frequency between 20 Hz and 20,000 Hz, limited only by the device's speaker and human hearing.

**Highlights:** Adjustable frequency range (20 Hz - 20,000 Hz), Simple and easy to use interface, Generates audio tones, No complex settings

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Analyzer free?

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

### Is Tuning Fork Pro 20 free?

Tuning Fork Pro 20 is free to download, with no in-app purchases.

### Which has better reviews, Frequency Analyzer or Tuning Fork Pro 20?

Frequency Analyzer is rated higher. Frequency Analyzer averages 4.5 out of 5 from 166 ratings, while Tuning Fork Pro 20 averages 3.0 from 2 ratings.

### Do Frequency Analyzer or Tuning Fork Pro 20 have ads?

Neither Frequency Analyzer nor Tuning Fork Pro 20 shows ads.

### Which is updated more often, Frequency Analyzer or Tuning Fork Pro 20?

Frequency Analyzer ships an update every 8 days, and Tuning Fork Pro 20 weekly. Most recently, Frequency Analyzer was updated on September 27, 2026 and Tuning Fork Pro 20 on September 5, 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.*