# USB diagnostics

> 장치에 연결된 USB 장치 검색 및 진단

Canonical page: [https://chrome-stats.com/d/com.devapp.usbhostmanager?hl=ko](https://chrome-stats.com/d/com.devapp.usbhostmanager?hl=ko)

## Overview

- **ID:** `com.devapp.usbhostmanager`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** DevAppliance
- **Category:** TOOLS
- **Downloads:** 301,341
- **Rating:** 3.61 / 5 (1,017 ratings)
- **Version:** 3.1
- **Last updated:** 2023-12-06
- **First published:** 2018-12-02
- **Publisher country:** NG
- **Size:** 8.58 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.devapp.usbhostmanager)
- **Website:** [https://www.devappliance.com](https://www.devappliance.com/)
- **Privacy policy:** [https://devappliance.com/privacypolicy/USB\_\_diagnostics](https://devappliance.com/privacypolicy/USB__diagnostics)

## Description

USB 진단은 OTG 또는 허브를 통해 모바일에 연결된 USB 장치를 분석하고 분석하는 데 도움이되는 응용 프로그램입니다.<br><br>USB 진단은 모든 장치에 대한 분석 및보고를 실행하여 관심있는 세부 정보 및 데이터를 보여줍니다.<br><br>USB OTG를 통해 휴대 전화에 USB 장치가 연결되어있는 경우,이 USB 진단 프로그램은 장치의 테스트 및 USB 분석을 실행하여 제대로 작동하는지 확인합니다.<br><br>USB OTG 케이블은 요구 사항에 따라 USB 장치를 전화기에 연결하는 데 사용됩니다. USB 진단은 USB 유형 -c 및 다양한 다른 유형을 지원합니다.<br><br>다음은 USB 진단의 놀라운 기능 중 일부입니다.<br><br>✓ 연결된 USB 장치의 세부 정보를 보여줍니다.<br>✓ 연결된 장치에 대한 진단 보고서를 보여줍니다.<br>✓ 사용 가능한 모든 장치를 표시합니다.<br>✓ 철저한 테스트<br><br>** 스캔하기 전에 USB 장치를 USB 포트에 연결하는 것이 중요합니다. **<br><br>이 앱이 마음에 들면 내 다른 앱을 확인하십시오.<br><br>평가하고 추천하는 것을 잊지 마세요.

## Rankings

- #130,020 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE`
- `com.devapp.usbhostmanager.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users largely criticize the app for intrusive ads and reliability issues. The most common complaints center on heavy, full-screen ads that disrupt usage and make the app feel adware-like, with multiple reviews noting the app simply doesn’t work well. A minority report positive results, claiming it fixes USB-C audio/headphone problems and that the app can be effective. Overall sentiment skews negative due to the ad experience, although a few users report genuine USB-C audio improvements.

### Pros

- Helps fix USB-C audio/headphone problems for some users
- Regarded as a good / very good app by several reviewers
- Some users report it is effective at achieving its purpose

### Cons

- Excessive intrusive ads that render the app unusable
- App often doesn't work / is unreliable
- Adware-like experience with full-screen ads on many screens

## Similar extensions and apps

- [USB OTG Inspector](https://chrome-stats.com/d/com.kidshandprint.usbotginspector) — 989 users
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- [USB OTG Checker](https://chrome-stats.com/d/com.storagecleaner.phonecleaner.otg_usbchecker_otg) — 1,134,289 users, 3.76 / 5
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- [USB OTG CHECKER](https://chrome-stats.com/d/us.reader.otg.usb.freapp) — 2,165,679 users, 4.38 / 5
- [USB camera video/audio tester](https://chrome-stats.com/d/net.usbdev.app2) — 64 users
- [USB OTG checker](https://chrome-stats.com/d/com.devapp.otgchecker) — 147,513 users, 4.08 / 5
- [USB Link](https://chrome-stats.com/d/com.sunshineiotronics.usb_monitor) — 64 users
- [USB Repair Guide & Tips](https://chrome-stats.com/d/com.usbfix.repairguide) — 2,025 users
- [USB OTG Checker](https://chrome-stats.com/d/com.threesixtydev.driver.usb.otg.usbotgchecker) — 3,617 users
- [USB OTG Connector Phone to USB](https://chrome-stats.com/d/com.sdcard.usbbackup) — 470,005 users, 3.81 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.devapp.usbhostmanager?hl=ko)