Denoise Pro: Noise Reducer
Audio background noise remover
Only for iPhone
Free · In-App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Denoise Pro is an AI audio and video noise reduction app that helps you remove background noise, enhance vocals, and improve sound clarity in seconds.
If you are searching for a way to remove noise from video, denoise audio recordings, reduce microphone hiss, or clean podcast sound, Denoise Pro is built for exactly that.
Professional-grade stability for large-file workflows:
- Stable processing for video files over 4GB
- Stable processing for audio files over 2 hours
Remove common noise types:
1. Background and environmental noise: wind noise, fan noise, hum, hiss, buzz, whine, room noise.
2. Sudden unwanted sounds: car horns, dog barks, baby crying, phone ringing, footsteps.
3. Device interference: microphone noise, speaker artefacts, headphone interference.
4. Other distractions: echo and unwanted background music.
Key Features:
1. Universal import options for audio and video: import from local Photos/Files, built-in audio recorder, AirDrop, import from other apps, and WiFi transfer from computer.
2. One-tap AI noise removal for audio and video.
3. Voice-preserving denoise that keeps speech natural, clear, and non-robotic.
4. Vocal clarity and volume enhancement for louder, cleaner output.
5. On-device AI processing for privacy-first noise reduction.
6. High-quality export with lossless, 320kbps, and other high-bitrate options.
7. Fast workflow for creators, interviews, meetings, and voice recordings.
Perfect for:
- Podcasters: clean podcast recordings, remove room noise and mic hiss, and improve spoken voice clarity for episodes and interviews.
- YouTubers: remove background noise from YouTube videos, fix voice audio, and make commentary or tutorial sound more professional.
- Vloggers: reduce wind noise and street noise in travel or daily vlogs for clearer outdoor video audio.
- Content creators: improve audio quality for reels, shorts, livestream clips, and social media video content.
- Musicians: denoise vocal takes, demo tracks, and rehearsal recordings while preserving natural tone and detail.
- Journalists: clean field interviews, press recordings, and voice notes captured in noisy environments.
- Students and online teachers: improve lecture recordings, online class videos, and study notes for better speech intelligibility.
- Remote workers and teams: reduce meeting noise in Zoom or webinar recordings for clearer call replays and presentations.
- Anyone who needs professional audio cleanup: quickly remove unwanted noise from voice recordings, videos, and long-form audio files.
Supported formats:
1. Audio: mp3, wav, aac, m4a and more.
2. Video: mp4, mov, m4v, avi, mpeg and more.
How to clean noisy audio or video in 3 steps:
1. Import your recording.
2. Tap once to remove noise and enhance voice.
3. Export clean, high-quality audio.
Frequently asked:
How can I remove background noise from a video?
Denoise Pro automatically detects and reduces wind, hum, hiss, and other background sounds while preserving speech.
Can I clean long recordings like podcasts or interviews?
Yes. Denoise Pro supports audio files over 2 hours and video files over 4GB.
Does Denoise Pro protect privacy?
Yes. Processing runs on-device, so your files stay on your phone.
Can I use it for podcast editing and YouTube audio cleanup?
Yes. Denoise Pro is designed for podcast noise reduction, YouTube voice cleanup, and creator workflows.
Terms of use: https://denoise.knotsmith.app/terms_of_use/
Privacy policy: https://denoise.knotsmith.app/privacy_policy/
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Fixed an issue where the denoise strength setting from the previous version was not being applied.
The developer, KnotSmith Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Hangzhou Knot Network Technology Co., Ltd
- Size
- 58.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 16 or later.
- iPhone
Requires iOS 16 or later. - iPod touch
Requires iOS 16 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 49 more
- English, Arabic, Basque, Bengali, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Gujarati, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kannada, Kazakh, Korean, Latvian, Lithuanian, Malay, Malayalam, Marathi, Norwegian Bokmål, Oriya, Polish, Portuguese, Punjabi, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tamil, Telugu, Thai, Traditional Chinese, Turkish, Ukrainian, Urdu, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Denoise Premium for 1 Year USD 11.99
- Denoise Premium Lifetime USD 22.99
- Denoise Premium for 1 Week USD 4.99
- Noise Reducer Premium USD 5.99
- Noise Reducer Premium USD 3.99
- Noise Reducer Premium USD 9.99
- Copyright
- © Knot ltd