This is a quick pre-game check that diagnoses both your reaction time and your device performance (phone/PC). Instead of a simple reflex test, it also accounts for device input latency so you see results from both angles: Human Reflex × Device Performance.

In the test, we measure the average time from the “GO!” signal to your tap. From that, we separate your human reaction from the device-side latency. Results are then ranked in an easy esports-style scale so you can see where you stand.

Before you jump into a match, run this hybrid check of your skill + your device. You might discover that you are fast—but your device is holding you back.

Pro Gamer Reaction Time Test (Mobile)

Step 1: benchmark your device → Step 2: run the reaction test (10 trials). We’ll show your measured average, estimated human-only reflex, and esports-style ranks.

1) Device Benchmark

Estimated Refresh Rate: — Hz
CPU Threads: —
Approx. Memory: — GB
GPU (WebGL): —
Tip: One tap to estimate Hz. Values are detected from your browser/device (iOS may not expose memory).
Not measured

How to Use This Tool

  1. Device Benchmark
    Tap “Benchmark & Save” at the top of the page.
    The tool reads your estimated refresh rate, CPU thread count, and (if supported) memory, then saves a device rank (Entry / Mid / Pro Tier).
  2. Start the Test
    Tap “Start Test” to begin the reaction check. When the target turns “GO!”, tap (or click) immediately. The rating uses the average of 10 trials.
  3. Avoid False Starts
    Tapping before “GO!” counts as a false start for that round (it won’t be included in the average) and may slightly penalize the final rank.
  4. Read Your Results
    After the run you’ll see:
    • Overall (Measured Avg): average time from GO! to tap (ms)
    • Estimated Human Reflex: your reaction time with device latency subtracted (ms)
    • Device Input Floor: the estimated minimum latency of your device (based on Hz, etc.)
    You’ll also get a Reflex Rank and a Device Rank, plus a short summary and coaching note.
  5. Run It Again
    Use “Try Again” to re-test. To clear the saved device rank, tap “Clear Saved Data.”

Pro Tips

  • Keep your finger (or mouse) off the screen while waiting and tap instantly when you see “GO!”
  • Notifications, calls, or screen rotation can cause inconsistencies. Silent mode and rotation lock recommended.
  • Use clicks on desktop; taps on phones/tablets.

FAQ

  • On iOS, browser limitations may prevent reading approximate memory (it can show “—”).
  • Device rank is an estimate based mainly on refresh rate (Hz), CPU concurrency, and memory (if available). On iPhone, screen resolution × DPR is also considered; still an approximation.

Data & Privacy

The device benchmark is stored only in your browser’s localStorage. It is not sent to any server. You can delete it any time with “Clear Saved Data.”

Disclaimer

  • This is a lightweight browser tool. Results are indicative and not guaranteed to be exact in every environment.
  • Shown device values (Hz, CPU, memory, etc.) are read from the browser and may differ from actual specs or user perception.
  • Reaction speed is calculated from the time between the “GO!” signal and your tap/click. Numbers vary with conditions such as environment, condition, and device state.
  • Results do not guarantee gaming or daily-use performance. Treat them as reference values.
  • Measurement data is stored locally in your browser (localStorage) and not transmitted to a server. Use at your own discretion.
  • We are not responsible for any loss or damage arising from use of this tool.