# Decibel Shield vs dB Decibel Meter

The clearest difference is review sentiment: Decibel Shield at 77% against dB Decibel Meter's 22%. Decibel Shield also leads on ads (none vs shown) and update cadence (daily vs every 8 days). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Decibel Shield sells 4 in-app purchases, starting at $1.99 per 7 days and dB Decibel Meter sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decibel Shield holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Decibel Shield has 644 ratings behind it against 115, so its average is the more settled of the two. Written reviews point the same way: 77% of Decibel Shield's written reviews are positive against 22% of dB Decibel Meter's.

Decibel Shield ships an update daily, dB Decibel Meter every 8 days. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Decibel Shield | dB Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (644 ratings)](https://appshunter.io/ios/app/decibel-shield-db-meter/id6461600902/reviews)** | [4.3 (115 ratings)](https://appshunter.io/ios/app/db-decibel-meter-noise-level/id6778630195/reviews) |
| Number of ratings | **644** | 115 |
| Positive reviews | **76.9% of reviews** | 22.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 43 MB | 72 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [APPSTACK LLC](https://appshunter.io/developer/1454414263) | [Shenzhen Yiken Technology Co., Ltd](https://appshunter.io/developer/1763774410) |

## What reviewers say

### 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 |


### dB Decibel Meter

[App page](https://appshunter.io/ios/app/db-decibel-meter-noise-level/id6778630195)

Measure real-time sound levels with this tool, offering A-weighting and frequency analysis. Record audio, take photos, and capture videos with embedded decibel data for evidence and safety checks. Includes a reference guide for understanding noise ranges.

**Highlights:** Real-time SPL measurement, A-weighting and frequency weighting, Audio recording with decibel data, Photo and video capture with noise marks, Noise level scale and reference guide, Export records in MP3, PDF, CSV

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $59.99 | per year |
| Lifetime Member | $99.99 | one-time |


## Frequently asked questions

### Is Decibel Shield free?

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

### Is dB Decibel Meter free?

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

### Which has better reviews, Decibel Shield or dB Decibel Meter?

Decibel Shield is rated higher. Decibel Shield averages 4.7 out of 5 from 644 ratings, while dB Decibel Meter averages 4.3 from 115 ratings.

### Do Decibel Shield or dB Decibel Meter have ads?

dB Decibel Meter shows ads; Decibel Shield does not.

### Which is updated more often, Decibel Shield or dB Decibel Meter?

Decibel Shield ships an update daily, and dB Decibel Meter every 8 days. Most recently, Decibel Shield was updated on November 3, 2026 and dB Decibel Meter on November 1, 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.*