# KLIN: AI Video Sound Cleaner — Boost Volume of Your Videos

> AI-powered video sound cleaner and volume booster with pro audio tools. (iPhone/iPad app by Beat Squad LLC.)

- Source: https://appshunter.io/ios/app/klin-ai-video-sound-cleaner/id1635526470 (this page in markdown: same URL + `.md`)
- Developer: [Beat Squad LLC](https://appshunter.io/developer/1619336436)
- Category: Photo & Video, Music
- Price: Free with in-app purchases
- Rating: 4.70/5 from 498 App Store ratings · 31 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 50 MB
- Languages: Korean, Danish, German (Germany), Russian, Vietnamese, Norwegian Bokmål, Swedish, European Spanish, American English, Italian and 9 more
- Released: 2022-08-17
- Data updated: 2026-08-30
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/klin-ai-video-sound-cleaner/id1635526470/reviews.md

## What is KLIN?

Fix noisy videos fast. Remove wind and background noise, make quiet clips loud, and polish sound with pro tools. Export in seconds - perfect for Instagram Reels, Stories, and TikTok.

KLIN Audio is a fast, powerful tool for making any video sound clean and loud. Instantly boost volume, remove wind and background noise, and shape your sound with pro effects - then save to Photos in seconds.

What you can do:
 * Remove noise (wind, hum, background)
 * Increase or decrease video volume
 * Mute a video’s audio
 * Clean up sound with 8- and 16-band equalizers
 * Improve clarity with audio filters
 * Bass boost any video
 * Add reverb and echo
 * Adjust audio pitch
 * High-Pass to cut sub-frequencies
 * Control dynamics with a compressor
 * Push loudness safely with a limiter

Import & Export:
 * Import from the Files app or Photos
 * Export to Photos
 * Works with popular video formats
 * Share to Instagram and TikTok
 * No watermark
 * Works offline

We’d love to see your before/after! Tag #klinaudio or send us your best results - and feel free to suggest features.

Questions or feature requests? Email: drumpads24help+klinaudioios@gmail.com

Terms of Service: https://www.drumpads24.com/legal/terms-of-service

Privacy Policy: https://www.drumpads24.com/legal/privacy-policy

## Key features

- Remove wind and background noise
- Boost video volume
- Mute video audio
- Equalizers and audio filters
- Bass boost, reverb, echo
- Pitch adjustment
- Compressor and limiter

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Video Sound Editor Premium | $3.49 | per month |


## What do users think of KLIN?

Overall sentiment: negative

**Pros**

- 👍 Easy to use and intuitive
- ✨ Good for audio enhancement
- 💖 Restores audio effectively
- 🚀 Works wonders for audio
- ✅ Free period is genuinely free
- 💯 Amazing app for audio issues
- 🌟 Good reverb effect
- 👍 Simple and understandable
- 😊 Free and good quality

**Cons**

- 💸 Subscription issues and scams
- 🐛 App crashes and bugs
- ⏳ Loading and saving issues
- ❌ Poor customer service
- 📉 Video quality degradation
- 🚫 Unusable after initial use
- 💰 Charged for nothing
- ⚠️ Issues with premium features
- 🪲 Video slows down after editing

**Commonly reported bugs**

- Cannot save videos
- App crashes when saving videos
- Video slows down after editing
- Videos only play normally for a short duration then slow down
- App asks to subscribe again after paying
- Cannot load asset or generate video
- Disk full error despite having space
- Video level becomes much lower after audio enhancement
- Bluetooth disconnects or switching apps causes no sound
- Premium features not accessible after payment

**Most requested features**

- Fix inability to save videos
- Improve customer support response time
- Allow enhancement of audio recordings, not just videos
- Fix issue where video details no longer show iPhone model
- Address the watermark issue on exported videos

## Recent user reviews (10 of 31)

All indexed reviews: https://appshunter.io/ios/app/klin-ai-video-sound-cleaner/id1635526470/reviews.md

### 1/5 — Terrible scam

*2026-05-01*

Paying for a subscription just for it to keep asking me to subscribe. Cannot enjoy benefits because they just want more money.

**Developer response:** Hello! We are sorry to hear about your unpleasant experience. Thank you for bringing the issue to our attention. Please open the app, go to Settings, select 'Get Premium Access' and click the 'Restore' button in the pop-up window. Then try again. If the problem persists, please email us at drumpads24help@gmail.com with more details about the issue or attach a video of it. 
We will investigate and help.

### 5/5 — Качественно сделанное приложение

*2026-04-22*

За пару минут добавила звука и убавила где надо . Просто и интуитивно понятно. Отдельное спасибо за бесплатный период ( реально бесплатный ) буду советовать тем , кто редактирует видео

**Developer response:** Спасибо большое за такой тёплый отзыв! Очень рады, что вам понравилось, насколько всё просто и интуитивно понятно - мы к этому и стремились 😊 И рады, что бесплатный период пришёлся кстати! Творите с удовольствием и спасибо, что рекомендуете нас!

### 5/5 — Great

*2026-03-26*

Amazing app that’s always worked wonders for my audio

**Developer response:** We are happy to hear that! Thank you for your feedback!

### 2/5 — Make the UI better.

*2026-02-04*

Make the UI better  and easy to use.

**Developer response:** Hi! Thank you for your honest feedback. We're always working to improve the user experience. Could you tell us a little more about what you found confusing or difficult? This would really help us to improve things.

### 1/5 — Не могу сохранить видео

*2026-02-03*

С тп связаться целая эпопея

**Developer response:** Здравствуйте! Очень жаль, что у вас возникли сложности при попытке связаться с тех поддержкой. Пожалуйста, напиши нам на почту drumpads24help@gmail.com, описав детально проблему и мы обработаем ваш запрос в первую очередь. Уточните, пожалуйста, не сохраняется какое-то одно определенное видео? Какая ошибка выходит при этом в приложении (пршлите нам на почту скриншот с ошбкой и исходное видео, пожалуйста).

### 5/5 — good

*2026-01-31*

free and good

**Developer response:** Thank you for your feedback!

### 1/5 — Lack of customer service

*2025-12-21*

Three days and no responses so gonna cancel subscription.

**Developer response:** Hello Nick! Thank you for your feedback. We apologise for any frustration caused. We take this issue very seriously. Could you tell us more about what happened? Any details, such as the issue you were trying to resolve and how you tried to contact us, would help us to investigate and improve.
Please reach out to us here or at drumpads24help@gmail.com. We're here to help and want to resolve this issue.

### 5/5 — Wonderful app!

*2025-12-01*

Easy to use- amazing app. Fixes almost any type of video with audio issues.

**Developer response:** Thank you so much for your positive feedback and 5-star rating! We appreciate it!

### 5/5 — BEST AUDIO

*2025-09-25*

I used this to restore audio from my recent passed mother. I am so grateful ♥️🫂

**Developer response:** Thank you very much for your kind feedback, Daisy! We really appreciate it! ☺️🙌🫶

### 5/5 — Good Reverb Effect

*2025-08-11, version 2.0.2*

I’ve had a good first impression of this app, it’s well designed, easy to use and the reverb sounds good.

## Frequently asked questions about KLIN

### What does KLIN: AI Video Sound Cleaner do?

This app is designed to significantly improve the audio quality of your videos. It uses AI to remove unwanted background noise such as wind or hum, allows you to increase the volume of quiet clips, and provides professional tools to polish your sound.

### What are the key features for cleaning video sound?

Key features include the ability to remove various types of noise, adjust video volume up or down, mute audio entirely, and utilize advanced tools like 8- and 16-band equalizers, audio filters for clarity, bass boosting, reverb, echo, pitch adjustment, and dynamic control with a compressor and limiter.

### How much does KLIN: AI Video Sound Cleaner cost?

The app is free to download and use, offering a range of functionalities. It also provides in-app purchases, suggesting that some advanced features or premium tools may require a purchase.

### What are common use cases for this app?

This app is perfect for enhancing videos intended for social media platforms like Instagram Reels, Stories, and TikTok. It's useful for making outdoor videos with wind noise clearer, boosting dialogue in quiet scenes, or generally improving the overall sound professionalism of any video.

### What devices is this app compatible with?

The app allows you to import videos from the Files app or Photos and export them back to Photos. It works with popular video formats and can be shared directly to platforms like Instagram and TikTok. It also functions offline.

## Version history (last 5 releases)

### 2.1.0 — 2025-10-03

In this update:
  
 * Metadata from the original video — device and location — is now preserved in the edited file
 
 * You can enter exact values for effects via text, not just with the slider

 * Improved stability during calls and audio route changes (connecting/disconnecting Bluetooth, headphones)

If there’s anything you’d like to share, drop us a line at drumpads24help+klinaudioios@gmail.com
Like the update? Please leave a review!

### 2.0.2 — 2024-04-29

We've made a few minor changes under the hood to improve app performance and stability.

If there’s anything you want to share with us, drop a line at drumpads24help+klinaudioios@gmail.com
Do you like the update? Leave the review!

### 2.0.1 — 2024-04-18

Improved Audio, Enhanced Experience:
Experience top-notch audio clarity with our latest features. Our Sound Isolation, also known as "Remove Noise," feature eliminates distracting background noise, delivering clearer dialogue and sharper sound in select cases. Also, try our Vocal Clarity feature to ensure every word is heard with precision. Customize your audio further with our 8-band and 16-band equalizers, tailoring your sound to perfection. Or enrich your audio experience with the new Bass Boost effect.

Smart Sound Labeling:
Your edited audio is now analyzed using cutting-edge machine learning technology. Discover special labels that identify specific sounds in your video, from speeches to musical instruments like the piano. Simply click on these labels to navigate directly to those sections of the video. Your data stays securely on your device. Our sound analysis takes place locally, ensuring your privacy and control over your content. No sharing, just pure audio enhancement.

Improved Video Management:
Explore our new tab for easy access to your previously exported videos. Additionally, all your videos are now neatly organized under the app album in Photos.

Enhanced User Experience:
Discover our revamped interface and controls, making setting values and applying audio effects effortless.

Update now and experience the difference!

If there’s anything you want to share with us, drop a line at drumpads24help+klinaudioios@gmail.com
Do you like the update? Leave the review!

### 2.0.0 — 2024-01-15

We did some minor improvements and fixed some small issues here and there including fixing issue with free daily limits. In rare cases the daily limit was not resetted. Now it’s fixed.

If there’s anything you want to share with us, drop a line at drumpads24help+klinaudioios@gmail.com 
Do you like the update? Leave the review!

### 1.0.1 — 2022-10-09

We did some minor improvements and fixed some small issues here and there.

If there’s anything you want to share with us, drop a line at drumpads24help+fixaudioios@gmail.com 
Do you like the update? Leave the review!

## Apps similar to KLIN

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Denoise.FX for Audio & Video](https://appshunter.io/ios/app/denoisefx-for-audio-and-video/id1623119654) | 4.5 (411) | Free | Photo & Video |
| [CapCut: Photo & Video Editor](https://appshunter.io/ios/app/capcut-photo-and-video-editor/id1500855883) | 4.6 (1,118,649) | Free | Photo & Video |
| [InShot - Video Editor](https://appshunter.io/ios/app/inshot-video-editor/id997362197) | 4.8 (2,479,638) | Free | Photo & Video |
| [Splice - Video Editor & Maker](https://appshunter.io/ios/app/splice-video-editor-and-maker/id409838725) | 4.6 (426,556) | Free | Photo & Video |
| [Add Music to Video :cut editor](https://appshunter.io/ios/app/add-music-to-video-cut-editor/id1072337393) | 4.3 (15,388) | Free | Photo & Video |
| [Video Sound Editor VideoMaster](https://appshunter.io/ios/app/video-sound-editor-videomaster/id1450154869) | 4.3 (590) | Free | Photo & Video |

## More apps by Beat Squad LLC

- [Drum Pads 24 Beat Maker Music](https://appshunter.io/ios/app/drum-pads-24-beat-maker-music/id667945907)
- [Loop Pads: DJ music beat maker](https://appshunter.io/ios/app/loop-pads-dj-music-beat-maker/id892336309)
- [Go Rap - Beat Maker & Effects](https://appshunter.io/ios/app/go-rap-beat-maker-and-effects/id1361057728)
- [Rhythm: Music Drum Pad Lessons](https://appshunter.io/ios/app/rhythm-music-drum-pad-lessons/id1380149186)
- [MixMate - Make Music & Songs](https://appshunter.io/ios/app/mixmate-make-music-and-songs/id1451167872)
- [Mp3 Converter & Audio Editor](https://appshunter.io/ios/app/mp3-converter-and-audio-editor/id1564486884)

All apps by Beat Squad LLC: https://appshunter.io/developer/1619336436

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*