# Frequency Analyzer vs Frequency Counter Hz Tuner

The clearest difference is rating: Frequency Analyzer at 4.5 against Frequency Counter Hz Tuner's 3.3. Frequency Analyzer also leads on ads (none vs shown) and ratings volume (182 vs 6). Frequency Counter Hz Tuner's advantage is in-app purchases (none vs 11). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Frequency Analyzer sells 11 in-app purchases, starting at $2.99 per 7 days. Frequency Counter Hz Tuner asks for nothing beyond the download.

Frequency Analyzer holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Frequency Analyzer has 182 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 10% of Frequency Analyzer's written reviews are positive against 0% of Frequency Counter Hz Tuner's.

Frequency Analyzer ships an update every 8 days, Frequency Counter Hz Tuner every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Frequency Analyzer | Frequency Counter Hz Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (182 ratings)](https://appshunter.io/ios/app/frequency-analyzer/id6468837339/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/frequency-counter-hz-tuner/id6761234058/reviews) |
| Number of ratings | **182** | 6 |
| Positive reviews | **10.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 35 MB | 69 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Moonbush Games & Utilities App GmbH](https://appshunter.io/developer/1520736594) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## 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 |


### Frequency Counter Hz Tuner

[App page](https://appshunter.io/ios/app/frequency-counter-hz-tuner/id6761234058)

This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.

**Highlights:** Dominant frequency measurement (Hz), Instrument tuning with note and pitch display, Motor RPM analysis, 50/60 Hz mains hum detection, Measurement history and trend charts, CSV export of measurements

**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 Frequency Counter Hz Tuner free?

Frequency Counter Hz Tuner is free to download, with no in-app purchases.

### Which has better reviews, Frequency Analyzer or Frequency Counter Hz Tuner?

Frequency Analyzer is rated higher. Frequency Analyzer averages 4.5 out of 5 from 182 ratings, while Frequency Counter Hz Tuner averages 3.3 from 6 ratings.

### Do Frequency Analyzer or Frequency Counter Hz Tuner have ads?

Frequency Counter Hz Tuner shows ads; Frequency Analyzer does not.

### Which is updated more often, Frequency Analyzer or Frequency Counter Hz Tuner?

Frequency Analyzer ships an update every 8 days, and Frequency Counter Hz Tuner every 4 days. Most recently, Frequency Analyzer was updated on October 27, 2026 and Frequency Counter Hz Tuner on October 25, 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.*