# DecibelKit vs Frequency Analyzer

The clearest difference is update cadence: DecibelKit at every 3 days against Frequency Analyzer's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DecibelKit sells 1 one-off in-app purchase and Frequency Analyzer sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DecibelKit ships an update every 3 days, Frequency Analyzer fortnightly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | DecibelKit | Frequency Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequency-analyzer-db-meter/id6770267924/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 1 MB | 9 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Washam](https://appshunter.io/developer/1870134850) | [Ertugrul Sari](https://appshunter.io/developer/1802366246) |

## What reviewers say

### DecibelKit

[App page](https://appshunter.io/ios/app/decibelkit-sound-meter/id6759010452)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DecibelKit Pro | $7.99 | one-time |


### Frequency Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer-db-meter/id6770267924)

Transform your device into a professional sound level meter, spectrum analyzer, and noise dosimeter. Ideal for fieldwork, inspections, and detailed acoustic measurements with real-time data and exportable reports.

**Highlights:** Real-time SPL meter with A, C, Z weighting, FFT spectrum and scrolling spectrogram, Noise dosimeter for exposure tracking, Octave-band analysis, Reference tone generator, CSV, PNG, and PDF report export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is DecibelKit free?

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

### Is Frequency Analyzer free?

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

### Do DecibelKit or Frequency Analyzer have ads?

Neither DecibelKit nor Frequency Analyzer shows ads.

### Which is updated more often, DecibelKit or Frequency Analyzer?

DecibelKit ships an update every 3 days, and Frequency Analyzer fortnightly. Most recently, DecibelKit was updated on October 24, 2026 and Frequency Analyzer on October 21, 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.*