# OLED Checker

> Test your OLED screen: burn-in, dead pixels, ghosting, color uniformity & more.

Canonical page: [https://chrome-stats.com/d/com.oledchecker.oled\_checker](https://chrome-stats.com/d/com.oledchecker.oled_checker)

## Overview

- **ID:** `com.oledchecker.oled_checker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Wdev - Desenvolvimento
- **Category:** TOOLS
- **Downloads:** 1,747
- **Version:** 1.0.4
- **Last updated:** 2026-09-06
- **First published:** 2026-02-27
- **Publisher country:** BR
- **Size:** 25 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.oledchecker.oled_checker)
- **Website:** [https://wdevmobile.github.io](https://wdevmobile.github.io/)
- **Privacy policy:** [https://wdevmobile.github.io/oledchecker-policy.html](https://wdevmobile.github.io/oledchecker-policy.html)

## Description

OLED Checker is a free, lightweight tool designed to help you thoroughly test your OLED and AMOLED display. Whether you just bought a new phone or want to check your current screen&#39;s health, OLED Checker gives you everything you need.<br><br>  TESTS INCLUDED:<br><br>  - Pure Colors — Full-screen black, white, red, green, and blue to reveal dead pixels, stuck pixels, and uneven<br>  lighting.<br>  - Gray Uniformity — Subtle gray tones (5%, 10%, 15%) to detect burn-in, banding, and screen retention.<br>  - Ghosting Test — Animated checkerboard pattern to identify image ghosting and slow pixel response.<br>  - Touch Test — Interactive grid that maps your entire screen to find dead zones and unresponsive areas.<br>  - Free Draw — Draw freely on screen to spot display defects with your own patterns.<br><br>  WHY OLED CHECKER?<br><br>  - Immersive fullscreen — Tests run with no distractions (system bars and ads are hidden during tests).<br>  - Simple and fast — No account needed, no setup required. Open the app and start testing.<br>  - Lightweight — Minimal app size, no unnecessary permissions.<br>  - Ad-supported with optional one-time purchase to remove all ads.<br><br>  Perfect for checking a used phone before buying, verifying screen repairs, or simply keeping an eye on your display&#39;s<br>  condition over time.

## Rankings

- #989,247 — 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.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.gms.permission.AD_ID`
- `com.oledchecker.oled_checker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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