# Frequency Counter Hz Tuner vs SpectralScan Audio Analyzer dB

The clearest difference is rating: SpectralScan Audio Analyzer dB at 4.9 against Frequency Counter Hz Tuner's 3.3. SpectralScan Audio Analyzer dB also leads on ads (none vs shown) and device support (3 vs 1). Frequency Counter Hz Tuner's advantage is in-app purchases (none vs 1) and update cadence (every 4 days vs every 9 days). On price there is nothing between them.

Both are free to download. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. Frequency Counter Hz Tuner asks for nothing beyond the download.

SpectralScan Audio Analyzer dB holds the better App Store score, 4.9 against 3.3. Both are backed by a comparable volume of ratings — 6 and 20 respectively.

Frequency Counter Hz Tuner ships an update every 4 days, SpectralScan Audio Analyzer dB every 9 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frequency Counter Hz Tuner | SpectralScan Audio Analyzer dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/frequency-counter-hz-tuner/id6761234058/reviews) | **[4.9 (20 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews)** |
| Number of ratings | 6 | **20** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 69 MB | 16 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) | [Otsukare AB](https://appshunter.io/developer/1892516192) |

## What reviewers say

### 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


### SpectralScan Audio Analyzer dB

[App page](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331)

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

**Highlights:** Real-time frequency spectrum visualization, Sine sweep measurements for system response, Spectrogram for time-frequency analysis, Comparison and overlay of multiple measurements, Export data as CSV or PNG, Pro features for advanced analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectralScan Pro | $11.99 | one-time |


## Frequently asked questions

### Is Frequency Counter Hz Tuner free?

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

### Is SpectralScan Audio Analyzer dB free?

SpectralScan Audio Analyzer dB is free to download, with in-app purchases available.

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

SpectralScan Audio Analyzer dB is rated higher. Frequency Counter Hz Tuner averages 3.3 out of 5 from 6 ratings, while SpectralScan Audio Analyzer dB averages 4.9 from 20 ratings.

### Do Frequency Counter Hz Tuner or SpectralScan Audio Analyzer dB have ads?

Frequency Counter Hz Tuner shows ads; SpectralScan Audio Analyzer dB does not.

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

Frequency Counter Hz Tuner ships an update every 4 days, and SpectralScan Audio Analyzer dB every 9 days. Most recently, Frequency Counter Hz Tuner was updated on October 25, 2026 and SpectralScan Audio Analyzer dB on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*