# Your Key vs Noise Level Meter

The clearest difference is in-app purchases: Your Key at none against Noise Level Meter's 3. Your Key also leads on iOS requirement (11.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Noise Level Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Your Key asks for nothing beyond the download.

## The numbers

| Metric | Your Key | Noise Level Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/noise-level-meter-spectroid/id6798899899/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 18 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Watchman Door S.L.](https://appshunter.io/developer/1262302044) | [Kostiantyn Liubevych](https://appshunter.io/developer/1734302743) |

## What reviewers say

### Your Key

[App page](https://appshunter.io/ios/app/your-key/id1497312590)

**Features:** macOS Compatibility

**In-app purchases:** none


### Noise Level Meter

[App page](https://appshunter.io/ios/app/noise-level-meter-spectroid/id6798899899)

This app transforms your iPhone into a sophisticated sound level meter and frequency analyzer. It offers instant decibel readings, detailed spectrum analysis, and the ability to save and export measurement sessions. Designed for various everyday uses, it provides clear and beautiful sound measurement.

**Highlights:** Live decibel meter, FFT spectrum analyzer, Octave-band visualization, Record measurement sessions, Export PDF reports, Calibration offset

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Annual Plan | $29.99 | per year |
| Spectroid Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Your Key free?

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

### Is Noise Level Meter free?

Noise Level Meter is free to download, with in-app purchases available.

### Do Your Key or Noise Level Meter have ads?

Neither Your Key nor Noise Level Meter 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.*