# Sonify vs Ruler

The clearest difference is device support: Ruler at 3 against Sonify's 1. Ruler also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sonify | Ruler |
| --- | --- | --- |
| Price | Free | Free |
| 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 | 28 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CODECLOUDS IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1507393384) | [Al-rahaal Explorer For General Trading, Training And Development Company](https://appshunter.io/developer/1015710320) |

## 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


### Ruler

[App page](https://appshunter.io/ios/app/ruler/id6789526671)

**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 Ruler free?

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

### Do Sonify or Ruler have ads?

Neither Sonify nor Ruler 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.*