# DecibelKit vs SpectralScan Audio Analyzer dB

The clearest difference is update cadence: DecibelKit at every 3 days against SpectralScan Audio Analyzer dB's every 9 days. SpectralScan Audio Analyzer dB's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. DecibelKit sells 1 one-off in-app purchase and SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DecibelKit ships an update every 3 days, SpectralScan Audio Analyzer dB every 9 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DecibelKit | SpectralScan Audio Analyzer dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (18 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews)** |
| Number of ratings | — | **18** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 16 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Washam](https://appshunter.io/developer/1870134850) | [Otsukare AB](https://appshunter.io/developer/1892516192) |

## 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 |


### 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 DecibelKit free?

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

### Is SpectralScan Audio Analyzer dB free?

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

### Do DecibelKit or SpectralScan Audio Analyzer dB have ads?

Neither DecibelKit nor SpectralScan Audio Analyzer dB shows ads.

### Which is updated more often, DecibelKit or SpectralScan Audio Analyzer dB?

DecibelKit ships an update every 3 days, and SpectralScan Audio Analyzer dB every 9 days. Most recently, DecibelKit was updated on October 24, 2026 and SpectralScan Audio Analyzer dB on October 28, 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.*