# Decibels vs AudioEngineerToolkit

The clearest difference is price: Decibels at Free against AudioEngineerToolkit's $4.99. Decibels also leads on update cadence (weekly vs fortnightly) and iOS requirement (11.0 vs 26.5). AudioEngineerToolkit's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Decibels is free to download; AudioEngineerToolkit costs $4.99 up front. Decibels sells 2 one-off in-app purchases. AudioEngineerToolkit asks for nothing beyond the download.

Decibels ships an update weekly, AudioEngineerToolkit fortnightly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Decibels | AudioEngineerToolkit |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.6 (265 ratings)](https://appshunter.io/ios/app/decibels-db-sound-level-meter/id383207286/reviews)** | — |
| Number of ratings | **265** | — |
| Positive reviews | 66.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 2 MB |
| Requires iOS | **11.0** | 26.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [David Bannach](https://appshunter.io/developer/286310199) | [HYO SEOP LEE](https://appshunter.io/developer/6790621758) |

## 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


### AudioEngineerToolkit

[App page](https://appshunter.io/ios/app/audioengineertoolkit/id6794612792)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibels free?

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

### Is AudioEngineerToolkit free?

AudioEngineerToolkit costs $4.99, with no in-app purchases.

### Do Decibels or AudioEngineerToolkit have ads?

Neither Decibels nor AudioEngineerToolkit shows ads.

### Which is updated more often, Decibels or AudioEngineerToolkit?

Decibels ships an update weekly, and AudioEngineerToolkit fortnightly. Most recently, Decibels was updated on November 1, 2026 and AudioEngineerToolkit on November 8, 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.*