Mobile frame rate checker
Phone FPS Test - Check Mobile Frame Rate Online
Run a phone FPS test in the browser to measure average FPS, low FPS, frame timing, and likely refresh-rate caps on iPhone, Android, tablets, and mobile browsers.
Live mobile reading
Mobile FPS and stability
Current mobile FPS
Likely cap: --
Average FPS
Low FPS
Frame time
Stability
Mobile browsers may cap animation callbacks to protect battery life. A 120Hz phone can still report 60 FPS when power saver, browser limits, screen recording, or thermal throttling is active.
Phone-specific checks
Mobile FPS changes with battery, heat, and browser caps
A phone FPS test is most useful when you compare the same device under the same conditions. Run it before and after changing power mode, display refresh settings, browser tabs, or screen recording.
Close heavy apps and extra browser tabs before testing.
Disable low power mode or battery saver for a cleaner reading.
Keep the phone cool; thermal throttling can lower FPS quickly.
Use the same browser each time when comparing results.
Common mobile results
What your phone FPS result usually means
60 FPS
Common mobile browser cap and standard display target.
90 FPS
High-refresh Android phones may report near this level.
120 FPS
Requires a 120Hz display and a browser that can present high refresh callbacks.
How to test phone FPS correctly
Mobile FPS is sensitive to battery, heat, and browser limits
A phone FPS test should be run with the screen awake, the tab visible, and the phone in the same power mode each time. Mobile devices can reduce refresh rate to save battery or control heat, so one quick reading does not always represent the best performance your phone can deliver.
For the cleanest comparison, remove the phone case if the device is hot, stop screen recording, close games and video apps, and wait a few seconds before starting the test. If the result changes after the phone cools down, thermal throttling was probably affecting browser frame timing.
When you compare two phones, keep brightness, battery mode, browser, and network conditions as similar as possible. A phone that is charging, syncing photos, installing updates, or running navigation in the background may show lower FPS even if its display hardware is capable of a higher refresh rate.
iPhone FPS testing
iPhone models with ProMotion can run high refresh rates, but the browser and operating system still decide how animation callbacks are scheduled. Low power mode, heat, or screen recording can lower the effective FPS reported by a browser test.
Android FPS testing
Android phones often include 90Hz, 120Hz, or adaptive refresh-rate modes. Check display settings before testing, because some devices use 60Hz by default, switch refresh rates per app, or reduce performance when battery saver is enabled.
Phone FPS vs game FPS
A browser phone FPS test gives a repeatable baseline for display and browser smoothness. It does not replace an in-game FPS counter, because games add 3D rendering, shaders, network load, and engine-specific frame pacing.
Phone frame rate test
This mobile FPS test can also be used as a phone frame rate test when you want to check screen smoothness outside a game. It is useful before comparing browsers, display settings, low power mode, or high-refresh options on the same phone.
Phone FPS test FAQ
Common questions about mobile frame-rate testing
Why does my 120Hz phone show 60 FPS?
The phone may be in battery saver, the browser may be capped, the display may be using adaptive refresh, or the device may be hot. Check display settings, disable low power mode, keep the tab active, and test again after the phone cools.
Does this test work on iPhone and Android?
Yes. The test runs in modern mobile browsers on iPhone, Android phones, tablets, and foldables. The result depends on the browser, active display mode, battery state, and whether the operating system allows high refresh animation callbacks.
What FPS should a phone get?
Standard phones often report near 60 FPS. High-refresh phones may report near 90 FPS or 120 FPS when the display mode and browser both allow it. Stability and low FPS matter more than chasing one perfect peak number.
How can I improve mobile FPS?
Close heavy apps, disable battery saver, keep the phone cool, avoid screen recording, update the browser, and confirm that the display is set to a high refresh mode. Then run the same phone FPS test again for a fair comparison.
Does high mobile FPS use more battery?
Usually yes. Higher refresh rates and higher frame rates can use more display and processor power. That is why some phones automatically lower refresh rate when the battery is low, the phone is hot, or low power mode is enabled.