# Notkan vs Audio Cleaner

The clearest difference is in-app purchases: Notkan at none against Audio Cleaner's 6. Notkan also leads on update cadence (daily vs every 9 days) and iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Audio Cleaner sells 6 in-app purchases, starting at $2.99 per 7 days. Notkan asks for nothing beyond the download.

Notkan ships an update daily, Audio Cleaner every 9 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Notkan | Audio Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (21 ratings)](https://appshunter.io/ios/app/audio-cleaner-ai-denoise/id6751505212/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 67 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CONAK SOFT LLC](https://appshunter.io/developer/1807404355) | [KnotSmith Ltd.](https://appshunter.io/developer/1817434588) |

## What reviewers say

### Notkan

[App page](https://appshunter.io/ios/app/notkan/id6745402963)

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

**In-app purchases:** none


### Audio Cleaner

[App page](https://appshunter.io/ios/app/audio-cleaner-ai-denoise/id6751505212)

This app uses AI to remove unwanted background noise from your audio and video recordings. Enhance speech clarity, adjust volume, and apply EQ effects to improve the sound quality of your content. Process recordings directly on your device for privacy and efficiency.

**Highlights:** AI background noise reduction, Speech enhancement, Adjustable noise reduction strength, EQ and audio effects, Import from Photos, Files, and other apps, On-device processing, Preview and export options

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noise Reducer Premium | $2.99 | per 7 days |
| Denoise Premium for 1 Week | $3.99 | per 7 days |
| Noise Reducer Premium | $4.99 | per month |
| Denoise Premium for 1 Year | $9.99 | per year |
| Noise Reducer Premium | $7.99 | one-time |
| Denoise Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Notkan free?

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

### Is Audio Cleaner free?

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

### Do Notkan or Audio Cleaner have ads?

Neither Notkan nor Audio Cleaner shows ads.

### Which is updated more often, Notkan or Audio Cleaner?

Notkan ships an update daily, and Audio Cleaner every 9 days. Most recently, Notkan was updated on October 30, 2026 and Audio Cleaner on November 5, 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.*