# Decrypter vs SonoMeter

The clearest difference is in-app purchases: Decrypter at none against SonoMeter's 4. Decrypter also leads on iOS requirement (12.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. SonoMeter sells 4 in-app purchases, starting at $1.99 per 7 days. Decrypter asks for nothing beyond the download.

## The numbers

| Metric | Decrypter | SonoMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 months |
| Size | 94 MB | 35 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sherlocked](https://appshunter.io/developer/1071729603) | [Raphael Goupille](https://appshunter.io/developer/1650597250) |

## What reviewers say

### Decrypter

[App page](https://appshunter.io/ios/app/decrypter/id6464317839)

**In-app purchases:** none


### SonoMeter

[App page](https://appshunter.io/ios/app/sonometer-decibel-meter/id6745488403)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly subscription | $5.99 | per month |
| Annual subscription | $24.99 | per year |
| Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Decrypter free?

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

### Is SonoMeter free?

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

### Do Decrypter or SonoMeter have ads?

Neither Decrypter nor SonoMeter 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.*