# USB OTG checker

> Verify device support for USB OTG with USB OTG checker

Canonical page: [https://chrome-stats.com/d/com.devapp.otgchecker](https://chrome-stats.com/d/com.devapp.otgchecker)

## Overview

- **ID:** `com.devapp.otgchecker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** DevAppliance
- **Category:** TOOLS
- **Downloads:** 147,485
- **Rating:** 4.08 / 5 (479 ratings)
- **Version:** 3.9
- **Last updated:** 2024-02-17
- **First published:** 2017-10-02
- **Publisher country:** NG
- **Size:** 7.79 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.devapp.otgchecker)
- **Website:** [https://www.devappliance.com](https://www.devappliance.com/)
- **Privacy policy:** [https://www.devappliance.com/privacypolicy/USB\_\_OTG\_\_Checker](https://www.devappliance.com/privacypolicy/USB__OTG__Checker)

## Description

USB OTG Checker is a handy Chrome extension designed to quickly verify whether your mobile device supports USB On-The-Go (OTG) functionality. With just one click, it detects if you can connect USB flash drives directly to your device, enabling easy media file transfers without the need for cloud services or cables.

This tool is especially useful for users uncertain about their device's OTG capabilities prior to purchasing OTG adapters or flash drives, helping avoid unnecessary expenses. Please note, while USB OTG Checker provides fast and easy verification, some false positives may occur. Use this extension to save time and ensure your device supports OTG before buying accessories.

## Rankings

- #184,370 — 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.POST_NOTIFICATIONS`
- `android.permission.WAKE_LOCK`
- `com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE`
- `com.devapp.otgchecker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users like the app for its simplicity and reliable OTG checks. The tool is quick to use, typically free, and provides clear pass/fail results with minimal UI. However, several reviews raise concerns about advertising, including intrusive or deceptive ads. Some users report inconsistent output such as conflicting messages about device compatibility, and others mention billing issues after free trials. Overall, it does the job well, but ad experience and transparency about supported devices could be improved.

### Pros

- Simple one-button OTG check with minimal UI
- Consistently works and provides a quick, clear result
- Free to use with no subscriptions or sign-ups
- No extra features or bloat; focuses on the core check
- Fast overall verification that feels straightforward to use

### Cons

- Ads can be annoying or deceptive, including near-fullscreen or misleading ads
- Occasionally inconsistent or conflicting messages (e.g., device compatibility vs no device detected)
- Billing issues reported (free trial followed by charges, renewal charges after unsubscribe)
- Lacks detailed information about exactly which devices/features are supported

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.devapp.otgchecker)