# CA PRO DSP vs NoiseLog

The clearest difference is in-app purchases: CA PRO DSP at none against NoiseLog's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NoiseLog sells 1 one-off in-app purchase. CA PRO DSP asks for nothing beyond the download.

## The numbers

| Metric | CA PRO DSP | NoiseLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 3 MB | 39 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文胜 周](https://appshunter.io/developer/1247796141) | [Himas Rafeek](https://appshunter.io/developer/6785714905) |

## What reviewers say

### CA PRO DSP

[App page](https://appshunter.io/ios/app/ca-pro-dsp/id6755802167)

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

**In-app purchases:** none


### NoiseLog

[App page](https://appshunter.io/ios/app/noiselog-decibel-meter/id6796981950)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoiseLog Pro | $6.99 | one-time |


## Frequently asked questions

### Is CA PRO DSP free?

CA PRO DSP is free to download, with no in-app purchases.

### Is NoiseLog free?

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

### Do CA PRO DSP or NoiseLog have ads?

Neither CA PRO DSP nor NoiseLog 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.*