# Parole Decoder vs Noise Reducer & Voice Enhancer

The clearest difference is update cadence: Noise Reducer & Voice Enhancer at weekly against Parole Decoder's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Parole Decoder sells 2 in-app purchases, starting at $2.99 per month and Noise Reducer & Voice Enhancer sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Parole Decoder ships an update monthly, Noise Reducer & Voice Enhancer weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Parole Decoder | Noise Reducer & Voice Enhancer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 6 MB | 79 MB |
| Requires iOS | 17.0 | **16.1** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guodong Wang](https://appshunter.io/developer/1878384651) | [晨阳 孟](https://appshunter.io/developer/1887145893) |

## What reviewers say

### Parole Decoder

[App page](https://appshunter.io/ios/app/parole-decoder/id6789954134)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family Monthly | $2.99 | per month |
| Family Annual | $19.99 | per year |


### Noise Reducer & Voice Enhancer

[App page](https://appshunter.io/ios/app/noise-reducer-and-voice-enhancer/id6794344738)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro for 1 Week | $2.99 | per 7 days |
| Pro for 1 Year | $6.99 | per year |
| Pro for Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Parole Decoder free?

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

### Is Noise Reducer & Voice Enhancer free?

Noise Reducer & Voice Enhancer is free to download, with in-app purchases available.

### Do Parole Decoder or Noise Reducer & Voice Enhancer have ads?

Neither Parole Decoder nor Noise Reducer & Voice Enhancer shows ads.

### Which is updated more often, Parole Decoder or Noise Reducer & Voice Enhancer?

Parole Decoder ships an update monthly, and Noise Reducer & Voice Enhancer weekly. Most recently, Parole Decoder was updated on October 24, 2026 and Noise Reducer & Voice Enhancer on October 24, 2026.

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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.*