# Decibel dB vs Calculator

The clearest difference is in-app purchases: Calculator at none against Decibel dB's 2. Calculator also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel dB sells 2 in-app purchases, starting at $4.99 per 7 days. Calculator asks for nothing beyond the download.

## The numbers

| Metric | Decibel dB | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (91 ratings)](https://appshunter.io/ios/app/decibel-db-sound-level-meter/id6738576759/reviews)** | — |
| Number of ratings | **91** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 32 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [WOULD YOU RATHER PARTY GAMES LTD](https://appshunter.io/developer/1723807232) | [Hussain HUSSAIN NASEER](https://appshunter.io/developer/6801492349) |

## What reviewers say

### Decibel dB

[App page](https://appshunter.io/ios/app/decibel-db-sound-level-meter/id6738576759)

Transform your iPhone into a precise noise level meter. This app measures sound levels in real-time, analyzes noise frequencies, and provides comprehensive sound metrics for various professional and personal uses. Its user-friendly interface makes accurate sound measurement accessible to everyone.

**Highlights:** Real-time noise monitoring, Noise frequency analysis, Comprehensive sound metrics, dB meter integration, User-friendly design, Save and share reports

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter Noise Frequency | $4.99 | per 7 days |
| Sound Meter - dB Noise Meter | $49.99 | per year |


### Calculator

[App page](https://appshunter.io/ios/app/calculator-basic-plus-scientific/id6801492347)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel dB free?

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

### Is Calculator free?

Calculator is free to download, with no in-app purchases.

### Do Decibel dB or Calculator have ads?

Decibel dB shows ads; Calculator does not.

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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.*