# Decibel Meter & Dosimeter vs SPL Meter

The clearest difference is rating: SPL Meter at 4.8 against Decibel Meter & Dosimeter's 4.0. SPL Meter also leads on iOS requirement (15.0 vs 17.0). Decibel Meter & Dosimeter's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Decibel Meter & Dosimeter sells 3 in-app purchases, starting at $0.99 per 7 days and SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SPL Meter holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 17 and 9 respectively.

Decibel Meter & Dosimeter ships an update every 2 weeks, SPL Meter every 5 weeks. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Decibel Meter & Dosimeter | SPL Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (17 ratings)](https://appshunter.io/ios/app/decibel-meter-and-dosimeter/id6740248468/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686/reviews)** |
| Number of ratings | **17** | 9 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 23 MB | 9 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Card Games & Travel Apps LLC](https://appshunter.io/developer/453389232) | [金红 李](https://appshunter.io/developer/1781133144) |

## What reviewers say

### Decibel Meter & Dosimeter

[App page](https://appshunter.io/ios/app/decibel-meter-and-dosimeter/id6740248468)

This app transforms your iPhone into a professional sound level meter. It provides real-time decibel monitoring, instant feedback on noise intensity, and smart notifications for safety limits. Track your noise exposure over time with detailed history and exportable reports.

**Highlights:** Real-time decibel monitoring, Noise exposure limit tracking, Detailed noise history, Exportable reports, Smart notifications, Professional calibration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Annual Subscription | $24.99 | per year |
| Pro - NIOSH Noise Exposure | $4.99 | one-time |


### SPL Meter

[App page](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686)

This tool measures ambient noise levels in real-time, providing decibel readings to help you understand noise intensity and protect your hearing. It features an intuitive gauge, explanations of noise levels, and recording capabilities to track variations across locations and times.

**Highlights:** Real-time decibel measurement, Intuitive gauge display, Noise level explanations, Recording functionality, Track noise variations, Hearing protection guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $9.99 | per year |


## Frequently asked questions

### Is Decibel Meter & Dosimeter free?

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

### Is SPL Meter free?

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

### Which has better reviews, Decibel Meter & Dosimeter or SPL Meter?

SPL Meter is rated higher. Decibel Meter & Dosimeter averages 4.0 out of 5 from 17 ratings, while SPL Meter averages 4.8 from 9 ratings.

### Do Decibel Meter & Dosimeter or SPL Meter have ads?

Neither Decibel Meter & Dosimeter nor SPL Meter shows ads.

### Which is updated more often, Decibel Meter & Dosimeter or SPL Meter?

Decibel Meter & Dosimeter ships an update every 2 weeks, and SPL Meter every 5 weeks. Most recently, Decibel Meter & Dosimeter was updated on September 25, 2026 and SPL Meter on September 13, 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.*