# Decibel Meter vs WaveFusion

The clearest difference is in-app purchases: WaveFusion at none against Decibel Meter's 4. Decibel Meter's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel Meter sells 4 in-app purchases, starting at $2.99 per 7 days. WaveFusion asks for nothing beyond the download.

Decibel Meter ships an update every 9 days, WaveFusion every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Decibel Meter | WaveFusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/decibel-meter-noise-meter-db/id6767143529/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 68 MB | 89 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEEYAS LIMITED](https://appshunter.io/developer/1895208045) | [Wavestore Global Limited](https://appshunter.io/developer/1741937742) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-noise-meter-db/id6767143529)

Transform your device into a professional sound level meter to measure ambient noise in real-time. Analyze sound frequencies, monitor noise exposure, and export detailed reports to understand your acoustic environment.

**Highlights:** Real-time decibel measurement, A, C, and Z frequency weighting, FAST, SLOW, and IMPULSE response modes, Spectrum Analyzer with FFT and spectrogram, Noise Dosimeter for daily exposure estimates, Long-term tracking and history logs, Exportable PDF reports

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Discount | $2.99 | per 7 days |
| Weekly Premium | $9.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Annual Premium | $49.99 | per year |


### WaveFusion

[App page](https://appshunter.io/ios/app/wavefusion/id6776371671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter free?

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

### Is WaveFusion free?

WaveFusion is free to download, with no in-app purchases.

### Do Decibel Meter or WaveFusion have ads?

Neither Decibel Meter nor WaveFusion shows ads.

### Which is updated more often, Decibel Meter or WaveFusion?

Decibel Meter ships an update every 9 days, and WaveFusion every 2 months. Most recently, Decibel Meter was updated on October 24, 2026 and WaveFusion on October 14, 2026.

---

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