# Decibels vs PhoneShieldDiagnose

The clearest difference is in-app purchases: PhoneShieldDiagnose at none against Decibels's 1. PhoneShieldDiagnose also leads on iOS requirement (15.6 vs 18.0). Decibels's advantage is device support. On price there is nothing between them.

Both are free to download. Decibels sells 1 one-off in-app purchase. PhoneShieldDiagnose asks for nothing beyond the download.

## The numbers

| Metric | Decibels | PhoneShieldDiagnose |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Size | 6 MB | 5 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Merano Studio Limited](https://appshunter.io/developer/1783493234) | [CypherBlk LLC](https://appshunter.io/developer/1794361585) |

## What reviewers say

### Decibels

[App page](https://appshunter.io/ios/app/decibels/id6749821741)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Leave a Tip | $0.99 | one-time |


### PhoneShieldDiagnose

[App page](https://appshunter.io/ios/app/phoneshielddiagnose/id6759379635)

**In-app purchases:** none


## Frequently asked questions

### Is Decibels free?

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

### Is PhoneShieldDiagnose free?

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

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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.*