# Decibel Pro vs TriMed Authenticate

The clearest difference is update cadence: TriMed Authenticate at every 3 weeks against Decibel Pro's every 36 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Decibel Pro ships an update every 36 months, TriMed Authenticate every 3 weeks. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Decibel Pro | TriMed Authenticate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (75 ratings)](https://appshunter.io/ios/app/decibel-pro-sound-level-meter/id6471412443/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 14 MB | 40 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emre Can Altaca](https://appshunter.io/developer/1589836507) | [TriMed Technologies, Corp](https://appshunter.io/developer/1455307649) |

## What reviewers say

### Decibel Pro

[App page](https://appshunter.io/ios/app/decibel-pro-sound-level-meter/id6471412443)

Transform your device into a professional sound level meter and noise dosimeter. Track real-time audio levels, monitor daily noise exposure, and generate detailed reports with photos and videos. Customize settings for various environments and receive alerts for loud noises.

**Highlights:** Real-time sound level readings (dBA, dBC, dB), Noise dosimeter with OSHA/NIOSH standards, Background measurement with Live Activity, Save and export measurements (PDF, CSV), Photos/videos with sound level stamps, Customizable alerts and profiles, Sync with Apple Health

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

**In-app purchases:** none


### TriMed Authenticate

[App page](https://appshunter.io/ios/app/trimed-authenticate/id6502629248)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Pro free?

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

### Is TriMed Authenticate free?

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

### Do Decibel Pro or TriMed Authenticate have ads?

Neither Decibel Pro nor TriMed Authenticate shows ads.

### Which is updated more often, Decibel Pro or TriMed Authenticate?

Decibel Pro ships an update every 36 months, and TriMed Authenticate every 3 weeks. Most recently, Decibel Pro was updated on November 8, 2026 and TriMed Authenticate on November 4, 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.*