# Sonify vs Optimal Audio

The clearest difference is price: Sonify at Free against Optimal Audio's $9.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Sonify is free to download; Optimal Audio costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sonify | Optimal Audio |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sonify-sound-meter/id1556620237/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | — |
| Monetization | Free | — |
| Size | 13 MB | 18 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CODECLOUDS IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1507393384) | [Thomas Richardson](https://appshunter.io/developer/1887851473) |

## What reviewers say

### Sonify

[App page](https://appshunter.io/ios/app/sonify-sound-meter/id1556620237)

Measure and record environmental noise levels with this sound meter app. It displays real-time decibel readings with audio visualization and historical graphs. You can also record and play back audio clips directly within the application.

**Highlights:** Ad-Free Experience, Real-time Decibel Visualization, Historical Decibel Graph, Audio Recording & Playback, Noise Level References, Dark Mode

**In-app purchases:** none


### Optimal Audio

[App page](https://appshunter.io/ios/app/optimal-audio/id6762044458)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonify free?

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

### Is Optimal Audio free?

Optimal Audio costs $9.99, with no in-app purchases.

### Do Sonify or Optimal Audio have ads?

Neither Sonify nor Optimal Audio shows ads.

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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.*