# Audio Frequency Analyzer vs Decibel Meter

The clearest difference is price: Decibel Meter at Free against Audio Frequency Analyzer's $9.99. Decibel Meter also leads on ratings volume (55 vs 3) and iOS requirement (15.0 vs 26.2). Audio Frequency Analyzer's advantage is in-app purchases (none vs 4) and review sentiment (60% vs 50%). On rating, update cadence, ads and device support there is nothing between them.

Decibel Meter is free to download; Audio Frequency Analyzer costs $9.99 up front. Decibel Meter sells 4 in-app purchases, starting at $3.99 per 7 days. Audio Frequency Analyzer asks for nothing beyond the download.

Audio Frequency Analyzer holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: Decibel Meter has 55 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of Audio Frequency Analyzer's written reviews are positive against 50% of Decibel Meter's.

Audio Frequency Analyzer ships an update every 8 months, Decibel Meter every 11 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Decibel Meter |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews)** | [3.5 (55 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id1579747105/reviews) |
| Number of ratings | 3 | **55** |
| Positive reviews | **60.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 11 months |
| Monetization | Paid | **Freemium** |
| Size | 0 MB | 18 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Rychard Matskevich](https://appshunter.io/developer/1395390712) |

## What reviewers say

### Audio Frequency Analyzer

[App page](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742)

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

**Highlights:** Real-time frequency spectrum response measurement (1/3 octave, 30 bands), FFT Analyzer, Observation frequency range: 20 - 23000 Hz, Calibration function for high accuracy, Supports built-in and external microphones, Snapshot and averaging functions

**In-app purchases:** none


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id1579747105)

This tool transforms your iPhone into a professional sound level meter, measuring decibels and analyzing sound frequencies. It helps identify harmful noise levels to protect your hearing and health, offering detailed insights and measurement history.

**Highlights:** Professional sound level meter, Sound frequency analysis, Noise dosimeter with standards, Accurate sound pressure measurements, Save and export measurements, Advanced measurement charts, MIN/MAX/AVG data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter Premium Weekly | $3.99 | per 7 days |
| Noise Spectrum Detector VIP | $8.99 | per month |
| Noise Frequency Checker VIP | $19.99 | per 3 months |
| Sound Level Analyzer dB VIP | $29.99 | per year |


## Frequently asked questions

### Is Audio Frequency Analyzer free?

Audio Frequency Analyzer costs $9.99, with no in-app purchases.

### Is Decibel Meter free?

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

### Which has better reviews, Audio Frequency Analyzer or Decibel Meter?

Audio Frequency Analyzer is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while Decibel Meter averages 3.5 from 55 ratings.

### Do Audio Frequency Analyzer or Decibel Meter have ads?

Neither Audio Frequency Analyzer nor Decibel Meter shows ads.

### Which is updated more often, Audio Frequency Analyzer or Decibel Meter?

Audio Frequency Analyzer ships an update every 8 months, and Decibel Meter every 11 months. Most recently, Audio Frequency Analyzer was updated on October 26, 2026 and Decibel Meter on October 27, 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.*