# Decibels vs Decibel Meter Master

The clearest difference is in-app purchases: Decibel Meter Master at none against Decibels's 2. Decibel Meter Master also leads on ratings volume (3.2K vs 265) and iOS requirement (9.0 vs 11.0). Decibels's advantage is update cadence (weekly vs every 6 months) and review sentiment (67% vs 52%). On price, rating, ads and device support there is nothing between them.

Both are free to download. Decibels sells 2 one-off in-app purchases. Decibel Meter Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Decibels against 4.6 for Decibel Meter Master. That said, the two scores are not equally well evidenced: Decibel Meter Master has 3.2K ratings behind it against 265, so its average is the more settled of the two. Written reviews are what separate them: 67% of Decibels's written reviews are positive against 52% of Decibel Meter Master's.

Decibels ships an update weekly, Decibel Meter Master every 6 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Decibels | Decibel Meter Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (265 ratings)](https://appshunter.io/ios/app/decibels-db-sound-level-meter/id383207286/reviews) | **[4.6 (3.2K ratings)](https://appshunter.io/ios/app/decibel-meter-master/id1281344281/reviews)** |
| Number of ratings | 265 | **3.2K** |
| Positive reviews | **66.9% of reviews** | 51.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 25 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Bannach](https://appshunter.io/developer/286310199) | [燕辉 冯](https://appshunter.io/developer/1264665476) |

## What reviewers say

### Decibels

[App page](https://appshunter.io/ios/app/decibels-db-sound-level-meter/id383207286)

Measure and analyze ambient noise levels with a stylish interface. Capture photos with sound level data, and share or print your findings. Enhance analysis with advanced features like frequency weighting and chart recording through an in-app purchase.

**Highlights:** Analog dB(A) display, Photo with sound level, Share/print/store photos, Select frequency weightings (A, C, Z), Record decibels on strip charts, Annotate strip charts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Controls | $1.99 | one-time |
| Beautiful Strip Chart Recorder | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and straightforward
- 📏 Effective for measuring sound levels
- 🔍 Useful for various applications (e.g. home, construction)
- 🎨 Clean and elegant interface
- 💡 Ability to take photos with readings

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔢 Limited measurement range (max 100 dB)
- 🔍 Questionable accuracy, especially at lower levels
- 📊 Lack of advanced features (e.g. digital readout, data logging)

**Reported bugs**

- Crashes when trying to save images
- Compatibility issues with newer iOS versions
- Needle getting stuck at certain levels

**Requested features**

- Digital readout in addition to analog meter
- Ability to save/export measurement history
- Support for different weighting scales (A, C, Z)
- Landscape mode support
- Customizable appearance options


### Decibel Meter Master

[App page](https://appshunter.io/ios/app/decibel-meter-master/id1281344281)

This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.

**Highlights:** Measures sound level, Acts as a decibel meter, Uses iPhone as a meter, Measures noise level

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Useful for measuring sound levels
- 🆓 Free app

**What reviewers complain about**

- 🐛 Inaccurate readings
- 🔍 Questionable security with clipboard access
- 🔧 Doesn't work consistently

**Reported bugs**

- Spelling mistakes in the app
- Inconsistent behavior across devices

**Requested features**

- Add calibration option
- Ability to save and review measurements
- Frequency profile display


## Frequently asked questions

### Is Decibels free?

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

### Is Decibel Meter Master free?

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

### Which has better reviews, Decibels or Decibel Meter Master?

Decibel Meter Master is rated higher. Decibels averages 4.6 out of 5 from 265 ratings, while Decibel Meter Master averages 4.6 from 3.2K ratings.

### Do Decibels or Decibel Meter Master have ads?

Neither Decibels nor Decibel Meter Master shows ads.

### Which is updated more often, Decibels or Decibel Meter Master?

Decibels ships an update weekly, and Decibel Meter Master every 6 months. Most recently, Decibels was updated on October 22, 2026 and Decibel Meter Master on October 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.*