# Secure Authenticator vs Decibel Meter

The clearest difference is ads: Decibel Meter at none against Secure Authenticator's shown. Secure Authenticator's advantage is iOS requirement (14.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Secure Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days and Decibel Meter sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Secure Authenticator | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Size | 53 MB | 26 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Joan Constantin](https://appshunter.io/developer/1821095373) | [Paul Nistor](https://appshunter.io/developer/1859591071) |

## What reviewers say

### Secure Authenticator

[App page](https://appshunter.io/ios/app/secure-authenticator/id6751233217)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $17.99 | per month |
| Yearly | $49.99 | per year |


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-noise-db-level/id6756261249)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Secure Authenticator free?

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

### Is Decibel Meter free?

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

### Do Secure Authenticator or Decibel Meter have ads?

Secure Authenticator shows ads; Decibel Meter 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.*