# Mosquito & Bug Repellent Sound — Ultrasonic Sounds for Insects

> App using adjustable ultrasonic frequencies to repel insects and critters. (iPhone/iPad app by KoruApps.)

- Source: https://appshunter.io/ios/app/mosquito-and-bug-repellent-sound/id1564051162 (this page in markdown: same URL + `.md`)
- Developer: [KoruApps](https://appshunter.io/developer/1536744669)
- Category: Utilities, Health & Fitness
- Price: Free with in-app purchases
- Rating: 4.20/5 from 1,659 App Store ratings · 268 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 71 MB
- Languages: Russian, Vietnamese, American English, Arabic, Dutch, Greek, Danish, Hebrew, Indonesian, European Spanish and 14 more
- Released: 2021-04-26
- Data updated: 2026-08-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/mosquito-and-bug-repellent-sound/id1564051162/reviews.md

## What is Mosquito & Bug Repellent Sound?

If you're tired of all kinds of insects and critters, we present this app with different adjustable Ultrasonic sounds in order to try to scare off and drive away annoying mosquitoes, insects, and critters in general.

Features:
- Different insects and critters: Use it against mosquitoes, flies, cockroaches, or rats.
- Select the frequencies: You'll have the option to select different types of frequencies for each type of insect or critter.
- Mosquito Encyclopedia: Discover useful information, active hours, habitats, threat level, and prevention tips for different mosquito species.

How to use it?
At the beginning of the app, we will show you a brief summary of how this tool works. Just select the insect you want to fight off and then select the ultrasound frequency you would like to use.

What are ultrasonic sounds?
Ultrasounds are a series of mechanical waves, generally longitudinal, whose frequency is above the hearing capacity of the human ear.

Extra Premium Features:
- Smart Protection: Automatically cycles through different frequencies to help provide broader ultrasonic coverage.
- Ad Removal: Enjoy a cleaner, uninterrupted experience by removing all ads.
- Exclusive Frequencies: Access advanced and experimental sound frequencies not available in the free version.
- Auto Stop Timer: Set a timer to automatically stop the repellent sound after a selected time.

Informational note: It has not been 100% scientifically proven that these low-frequency sounds can scare off insects or other critters, but there have been cases in which they have been helpful for scaring them away.

Privacy Policy: https://www.koruskan.net/privacypolicy.html
Terms of Service: https://www.koruskan.net/terms-of-service/terms-of-service-mosquitos.html

## Key features

- Adjustable ultrasonic sounds
- Target specific insects and critters
- Selectable frequency ranges
- Repel mosquitoes, flies, cockroaches, rats
- Informational guide on ultrasonic sounds

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly Ultimate Repellent | $2.99 | per 7 days |
| Annual | $9.99 | per year |
| Monthly | $2.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## What do users think of Mosquito & Bug Repellent Sound?

Overall sentiment: neutral

**Pros**

- 👍 Effective at repelling insects
- 🚀 Works quickly
- 💡 Useful for various pests (mice, flies, etc.)

**Cons**

- 🐛 Ineffective against some insects
- 🔋 Drains battery quickly
- 💸 Excessive ads and in-app purchases

**Commonly reported bugs**

- Insects still approach the phone even with the app running
- App crashes or freezes during use
- Inconsistent performance across different devices

**Most requested features**

- More customization options for frequency settings
- Ability to schedule app usage
- Indicator to show when the app is actively working

## Recent user reviews (10 of 268)

All indexed reviews: https://appshunter.io/ios/app/mosquito-and-bug-repellent-sound/id1564051162/reviews.md

### 1/5 — Комары оценили так

*2026-07-31*

10-15 минут рекламы посмотрел пока включилось , а потом комар просто укусил руку в которой я держал телефон с включенным отпугивателем

**Developer response:** Спасибо за отзыв, Dmitry_millliard. Нам жаль, что у вас остались такие впечатления от приложения, и приносим извинения за неудобства, связанные с рекламой. Если проблема с работой приложения повторяется, пожалуйста, свяжитесь с нашей службой поддержки — мы будем рады помочь. Также вы можете рассмотреть покупку премиум-версии, чтобы пользоваться приложением без рекламы. Спасибо, что поделились своим опытом, и хорошего вам дня!

### 1/5 — Фонбет

*2026-07-06, version 3.1*

Реклама фон бета , куча рекламы, и приложение работает на ультразвуке , которые любят комары!!!

### 1/5 — Not working

*2026-06-24, version 3.1*

No no no

### 1/5 — From great to horrible

*2026-05-04*

Your app really helped me. I get attacked by mosquitoes. Now your app is different and is irrelevant.

**Developer response:** Hi Sonia, thank you for sharing your feedback. We’re really sorry to hear the recent changes made the app feel less useful for you, especially since it had been helping with mosquitoes before. Your comments are important to us, and we’ll share them with our team as we continue improving the experience. We truly appreciate your support and hope we can earn back your trust soon. 🙏

### 1/5 — It ask for pay before trying it

*2026-01-20*

Before it started it asked me for pay

**Developer response:** Hi Meitsmyyaa, thanks for your feedback. We’re sorry for the confusion — when you subscribe, you automatically get a free trial period to explore the app without being charged right away. We’ll work on making this clearer from the start. Thanks again for checking us out!

### 1/5 — Пека

*2026-01-02*

Найопка для уйопка

**Developer response:** Спасибо за отзыв, manooloshad. Нам жаль, что приложение не оправдало ваших ожиданий. Мы стремимся улучшать его с каждой версией и ценим любые комментарии, даже критические.  Надеемся, в будущем сможем вас приятно удивить.

### 3/5 — Bugbegone

*2025-12-03, version 3.1*

As far as I can tell it works. I went straight for the highest  level frequency and viola.

### 1/5 — Useless app

*2025-12-02, version 3.1*

Flies still around the phone while frequency is activated.

### 5/5 — 1000

*2025-11-30, version 3.1*

Aplicativo mil! Tira vários mosquitos,baratas,e etc! Abaixem! MUITO BOM! UM AMIGO MEU ME INCENTIVOU! 🫶🏻

### 5/5 — Es funktioniert 😳

*2025-11-18, version 3.1*

Ich hatte hier seit Tagen ein paar sehr nervige Stubenfliegen an meinem Arbeitsplatz. App gestartet und es herrscht endlich Ruhe.

## Frequently asked questions about Mosquito & Bug Repellent Sound

### What does the Mosquito & Bug Repellent Sound app do?

This application generates adjustable ultrasonic sounds designed to scare off and drive away various insects and critters. You can select the type of pest you want to deter and choose specific frequencies for each.

### What pests can this app help repel?

The app is designed to be used against a range of pests including mosquitoes, flies, cockroaches, and rats. Users can select different frequencies tailored to the specific critter they wish to repel.

### How do I use the app to repel bugs?

Using the app is straightforward. First, select the insect or critter you want to fight off. Then, choose the specific ultrasound frequency you would like to use from the available options.

### Is the effectiveness of ultrasonic sounds scientifically proven?

While there have been cases where these low-frequency sounds have been helpful in scaring away insects and critters, it has not been 100% scientifically proven to be effective for all pests.

### Is this app free to use?

The application is free to download and use, but it does offer in-app purchases. This means you can access its core features for free, with options to buy additional features or content.

## Version history (last 5 releases)

### 4.0 — 2026-07-13

- Redesigned the app with a cleaner, faster, and easier-to-use interface.
- Added Smart Protection, a new mode that automatically cycles through different frequencies.
- Added the Mosquito Encyclopedia with useful information about mosquito species, activity times, habitats, and prevention tips.
- Fixed bugs and improved overall performance.

### 3.1 — 2025-08-19

We’ve made improvements and fixed some issues to make your experience better.

### 3.0 — 2025-08-12

We’ve added Background Mode for Ultimate users!
Now you can keep repelling insects even when using other apps or with your screen off.
Plus, we’ve made some performance improvements and bug fixes to keep your experience smooth.

### 2.0 — 2024-02-28

We have updated the app so that it works correctly with the new versions of iOS and we have also fixed some errors

### 1.0 — 2021-04-26

No release notes.

## Apps similar to Mosquito & Bug Repellent Sound

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| [Frequency Sound Generator App](https://appshunter.io/ios/app/frequency-sound-generator-app/id1238160553) | 4.5 (4,832) | Free | Utilities |
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## More apps by KoruApps

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All apps by KoruApps: https://appshunter.io/developer/1536744669

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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 2026-08-27.*