Nurunuru: Refresh Rate & FPS

Is your phone really displaying as smoothly as it claims?

Even when a device is advertised as "144Hz", it won't always run at that rate in real use. Nurunuru Checker visualizes your device's actual refresh rate and rendering performance — measured on your real hardware, not from a spec sheet.

■ Free
• Real-time FPS / refresh rate measurement
See the actual on-screen frame rate as a number, and instantly check whether the spec matches reality.

■ Premium (watch a single ad to unlock everything for 24 hours)
• Motion blur & response test
Use moving objects to visually check ghosting and how the response looks.
• Sustained / throttling test
Record FPS over time as a graph to see how much performance drops (throttling) due to heat and other factors.
• Full-screen check patterns
Solid colors, gradients and grids to check for dead pixels, color unevenness and screen uniformity.
• A special phone wallpaper

■ Great for
• Anyone who bought a gaming phone or high-refresh-rate device
• Checking the display condition of a new or used device
• Anyone who wants to confirm their phone's smoothness with both numbers and their own eyes

■ Pricing
The app is free to use. Some advanced features unlock for 24 hours after watching a single ad (no in-app purchases).

■ Permissions
We use only an internet connection, for serving ads. We do not use location, camera, contacts or anything similar.

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