# Decibel Meter · Sound Analyzer vs Decibel Shield

The clearest difference is monetization model: Decibel Shield at free with in-app purchases against Decibel Meter · Sound Analyzer's subscription. Decibel Shield also leads on update cadence (every 3 days vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Decibel Meter · Sound Analyzer sells 8 in-app purchases, starting at $1.99 per 7 days and Decibel Shield sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Decibel Meter · Sound Analyzer against 4.7 for Decibel Shield. Both are backed by a comparable volume of ratings — 1.3K and 608 respectively. Written reviews are what separate them: 78% of Decibel Meter · Sound Analyzer's written reviews are positive against 75% of Decibel Shield's.

Decibel Meter · Sound Analyzer ships an update every 2 months, Decibel Shield every 3 days. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Decibel Meter · Sound Analyzer | Decibel Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.3K ratings)](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id1624503658/reviews) | [4.7 (608 ratings)](https://appshunter.io/ios/app/decibel-shield-db-meter/id6461600902/reviews) |
| Number of ratings | **1.3K** | 608 |
| Positive reviews | **78.1% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 39 MB | 43 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) | [APPSTACK LLC](https://appshunter.io/developer/1454414263) |

## What reviewers say

### Decibel Meter · Sound Analyzer

[App page](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id1624503658)

Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.

**Highlights:** Real-time decibel meter, MIN, AVG, MAX sound level display, Noise dosimeter (NIOSH/OSHA compliant), Photo and video with noise overlay, Record measurement results, Data saving feature

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Weekly pro access | $3.99 | per 7 days |
| Sound Level Meter (dB) PRO | $3.99 | per 7 days |
| Monthly pro access | $6.99 | per month |
| Yearly Access | $6.99 | per year |
| Decibel Meter & Dosimeter PRO | $6.99 | per month |
| Sound Meter & Dosimeter PRO | $12.99 | per year |
| Yearly pro access | $12.99 | per year |

**What reviewers like**

- 🚀 Great app
- 👍 Recommended
- 💡 Life Saving
- 👍 Good job
- 👍 Fantastic for visual documentation

**What reviewers complain about**

- 🐛 Bad app
- 🐛 Can't test
- 🐛 Subscription pop-up issues
- 🐛 Doesn't work unless you pay

**Reported bugs**

- Microphone issues
- Subscription paywall

**Requested features**

- Make more apps like this one


### Decibel Shield

[App page](https://appshunter.io/ios/app/decibel-shield-db-meter/id6461600902)

Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.

**Highlights:** Real-time decibel monitoring, Historical data tracking, Apple Health integration, White noise generator, iCloud sync, Location tagging, Background processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $4.99 | per month |
| Annual Membership | $44.99 | per year |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Decibel Meter · Sound Analyzer free?

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

### Is Decibel Shield free?

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

### Which has better reviews, Decibel Meter · Sound Analyzer or Decibel Shield?

Decibel Meter · Sound Analyzer and Decibel Shield are both rated 4.7 out of 5 on the App Store, from 1.3K and 608 ratings respectively.

### Do Decibel Meter · Sound Analyzer or Decibel Shield have ads?

Neither Decibel Meter · Sound Analyzer nor Decibel Shield shows ads.

### Which is updated more often, Decibel Meter · Sound Analyzer or Decibel Shield?

Decibel Meter · Sound Analyzer ships an update every 2 months, and Decibel Shield every 3 days. Most recently, Decibel Meter · Sound Analyzer was updated on September 20, 2026 and Decibel Shield on September 24, 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.*