# Ultramo — Offline Ultrasonic Repellent

> Offline Ultrasonic Repellent (iPhone/iPad app by 丽 杨.)

- Source: https://appshunter.io/ios/app/ultramo/id6780856013 (this page in markdown: same URL + `.md`)
- Developer: [丽 杨](https://appshunter.io/developer/1801631798)
- Category: Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-06-18
- Data updated: 2026-09-07
- User reviews in markdown: https://appshunter.io/ios/app/ultramo/id6780856013/reviews.md

## What is Ultramo?

Ultramo – Fully Offline High-Frequency Sound Mosquito Repellent Tool
Runs entirely offline with no account login or network data transmission, ensuring higher privacy as all operations are processed locally;
Three variable-frequency sound modes: Gentle Mode, Standard Mode and Powerful Mode, freely switch according to your needs;
Supports audio background playback, continuously emitting sound waves to repel mosquitoes even when your phone screen is locked;
Generates high-frequency ultrasonic sound via the device’s built-in speaker;
Ultra-simple one-tap start & stop operation, ideal for home, bedroom, camping and other indoor and outdoor scenarios.                                                                 Disclaimer: This app only produces high-frequency sound waves and does not make any medical efficacy claims regarding mosquito repellent. Actual performance differs depending on device hardware, surroundings and mosquito species.


## Version history (last 1 release)

### 1.0 — 2026-06-18

No release notes.

## More apps by 丽 杨

- [双模相机-横竖比例一键拍](https://appshunter.io/ios/app/id6743729111)
- [Golden Deep Sleep](https://appshunter.io/ios/app/golden-deep-sleep/id6745518616)
- [经典Maggie减肥法-低GI饮食：科学减脂](https://appshunter.io/ios/app/maggie-gi/id6745898050)

All apps by 丽 杨: https://appshunter.io/developer/1801631798

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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 2026-09-07.*