# Refresh Rate Checker

> To identify the phone's screen refresh rate and make motion test

Canonical page: [https://chrome-stats.com/d/com.cast4tv.refresh.rate.checker](https://chrome-stats.com/d/com.cast4tv.refresh.rate.checker)

## Overview

- **ID:** `com.cast4tv.refresh.rate.checker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Cast4TV
- **Category:** TOOLS
- **Downloads:** 219,596
- **Rating:** 3.10 / 5 (591 ratings)
- **Version:** 1.1.3
- **Last updated:** 2026-08-31
- **First published:** 2021-04-10
- **Publisher country:** CN
- **Size:** 6.74 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.cast4tv.refresh.rate.checker)
- **Website:** [https://cast4tv-5c2ff.web.app/](https://cast4tv-5c2ff.web.app/)
- **Privacy policy:** [https://cast4tv-5c2ff.web.app/#privacy](https://cast4tv-5c2ff.web.app/#privacy)

## Description

**Refresh Rate Checker** is a free Chrome extension designed to identify your phone's screen refresh rate and perform multiple framerate motion tests, such as TestUFO animations. The refresh rate, measured in Hertz (Hz), indicates how many times per second the display updates, affecting the smoothness of motion and content on your screen.

Many modern smartphones feature high refresh rates like 90Hz, 120Hz, and upwards, offering smoother visuals during games and video playback. This tool helps users verify their device’s refresh rate and understand its capabilities, with a comprehensive list of popular high refresh rate phones included. Whether you want to check your phone or compare models, Refresh Rate Checker provides an easy, reliable way to gauge screen performance.

## Rankings

- #152,182 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.cast4tv.refresh.rate.checker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.cast4tv.refresh.rate.checker.permission.C2D_MESSAGE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`

## Review summary

Users appreciate the app's simplicity and its ability to display the device's refresh rate clearly, which helps in understanding phone performance. However, many users are frustrated by the excessive ads, occasional failures to show real-time refresh rates, and difficulties in usage. While some users find the app helpful and effective, others consider it non-functional or misleading.

### Pros

- Simple and easy to use app
- Provides a good visual representation of refresh rate
- Accurately shows the refresh rate number as device info does
- Helps users understand their phone's display refresh rate
- Users report improved phone experience after using the app

### Cons

- Excessive number of ads making the app difficult to use
- App sometimes fails to show real-time refresh rate
- Reported as fake or non-functional by some users
- Users find it confusing or don't know how to use it properly

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.cast4tv.refresh.rate.checker)