# Touch Sampling Rate Checker > A Free App to test the phone's touch panel sampling rate Canonical page: [https://chrome-stats.com/d/com.cast4tv.touch.sampling.rate.checker](https://chrome-stats.com/d/com.cast4tv.touch.sampling.rate.checker) ## Overview - **ID:** `com.cast4tv.touch.sampling.rate.checker` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Cast4TV - **Category:** TOOLS - **Downloads:** 177,598 - **Rating:** 1.56 / 5 (984 ratings) - **Version:** 1.1.0 - **Last updated:** 2026-08-31 - **First published:** 2021-04-20 - **Publisher country:** CN - **Size:** 6.78 MB - **Data as of:** 2026-09-13 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.cast4tv.touch.sampling.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 ## Touch Sampling Rate Checker Chrome Extension Touch Sampling Rate Checker is a free app designed to test your phone's touchscreen sampling rate, also known as the touch refresh rate. This metric reflects how many times your touchscreen senses input per second, directly impacting touchscreen responsiveness and reducing touch lag. Devices with higher touch sampling rates offer faster and smoother touch interactions. Popularized initially by gaming phones such as Asus ROG II (240Hz) and Black Shark 3 (270Hz), high touch sampling rates have become more common in general consumer smartphones like Galaxy S20 and Mi 10 Pro. Using this extension, users can easily measure their device's sampling rate to understand its touch performance capabilities better. This tool benefits anyone looking to optimize their touchscreen experience or compare different devices for speed and responsiveness. ## Rankings - #168,900 — 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.touch.sampling.rate.checker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.cast4tv.touch.sampling.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 The Touch Sampling Rate Checker app is intended to measure screen touch responsiveness and works intermittently on some devices, providing approximate TSR values. However, many users find the interface confusing and the accuracy unreliable, reporting inconsistent or implausible results. Excessive advertisements detract from usability, and the app fails to function correctly on various phones, especially with unresponsive controls. Despite these issues, it offers a general idea of touch responsiveness for casual users, but overall user sentiment highlights poor accuracy, unclear instructions, and an ad-heavy experience. ### Pros - Works as intended on some devices to show an approximate touch sampling rate (TSR). - Provides a basic idea about the touch responsiveness of the screen. - Simple concept allowing users to test their device's TSR by sliding or swiping on the test button. - Able to differentiate between devices with different TSR values, giving a rough comparison. - Useful for casual users wanting to gauge screen responsiveness for basic tasks or games. ### Cons - App interface and instructions are not intuitive or clear, causing confusion on how to use it. - Accuracy is questionable; results often seem inconsistent or improbable, possibly not reflecting the true TSR. - Excessive and disruptive advertisements significantly harm user experience. - Does not work properly on some devices or Android versions, with touch controls or buttons unresponsive. - Some users suspect the app may just display heuristic or database information rather than actual real-time testing. ## Similar extensions and apps - [Touch Sample Rate Tester](https://chrome-stats.com/d/cn.samnya.touchsampleratetest) — 172,005 users, 4.40 / 5 - [Refresh Rate Checker](https://chrome-stats.com/d/com.cast4tv.refresh.rate.checker) — 219,596 users, 3.10 / 5 - [Touch Sampling Rate](https://chrome-stats.com/d/com.treeteam.touchsampling) — 16,769 users - [Easy Refresh Rate Checker](https://chrome-stats.com/d/com.theviciousgames.refreshratechecker) — 99,912 users, 4.17 / 5 - [Touch Sensitivity Checker](https://chrome-stats.com/d/com.trung.app.vi.touch) — 1,617 users - [Refresh Rate Checker](https://chrome-stats.com/d/com.touchvent.refresh.rate.checker) — 27,556 users - [Real-Time Screen Refresh Rate](https://chrome-stats.com/d/com.scrnrefresh.realtimescreenrefreshrate) — 48,589 users, 2.60 / 5 - [Refresh Rate (Fps) - Checker](https://chrome-stats.com/d/com.treeteam.refreshrate) — 2,823 users - [Honest Hz: FPS & Refresh Rate](https://chrome-stats.com/d/com.honestmeter.hz) — 387 users - [Touch Latency Test](https://chrome-stats.com/d/com.treeteam.touch.latency) — 769 users - [Refresh Rate Display](https://chrome-stats.com/d/com.ahmednagy.refreshrate) — 46,482 users, 3.60 / 5 - [Screen Refresh Rate Test](https://chrome-stats.com/d/de.mdliquid.refreshratetester) — 13,898 users, 4.50 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.cast4tv.touch.sampling.rate.checker)