What is TempoLock?

TempoLock is a browser-based timing game and musician practice toolkit. It includes Daily Challenge, Timing Trials, 16 Beat Challenge, Tempo Aim, Echo Chain, Timing Lab, Practice Mode, leaderboards and timing tools such as a metronome, tempo ramp, tap tempo and polyrhythm/polymeter trainer.

Do I need an account?

No. Core TempoLock features can be used as a guest. An account is useful when you want synced progress and account-linked ranked features. Guest identities can also appear on public leaderboards.

Why do my taps look late even when they sound on time?

A repeatable offset can come from the audio output route or input path rather than your playing. Test the built-in speaker first, keep the Normal preset at 0 ms extra correction, and compare several runs. If the sound and visual consistently disagree, use Audio Output Calibration. If a stable scoring offset remains after the output is aligned, Tap Input Calibration is available.

Does Bluetooth affect rhythm games?

It can. Bluetooth audio usually adds buffering, encoding, transmission and decoding delay. Browsers may report part of that delay, but the physical route is not always represented perfectly. TempoLock therefore stores a separate Bluetooth output preset so a correction does not have to be shared with the device speaker.

Does TempoLock turn off its automatic timing correction when the preset says 0 ms?

No. A Normal preset of 0 ms means zero extra manual correction. TempoLock’s automatic timing model is still active.

What does early or late mean?

Early means the recorded tap arrived before the target beat; late means it arrived after it. One tap does not define a habit. Look for repeated direction across a run and across multiple attempts.

What is a good timing error in milliseconds?

There is no single universal cutoff. Tempo, instrument, articulation, device latency and musical style all affect what the number means. Your own repeatable baseline is more useful: if the same task becomes tighter and more consistent without added tension, that is meaningful progress.

What does Locked In mean?

Locked In means a score of 9,800 or more out of 10,000: very tight timing, though not necessarily perfect.

What is a Perfect score?

Perfect is 10,000. The exact route to 10,000 depends on the mode. Tempo Aim, for example, combines timing and aim; Echo Chain combines rhythm memory and timing.

How does the 16 Beat Challenge work?

You hear a 1-2-3-4 count-in, then the timing cues stop. Hold sixteen full beats internally and tap on the next beat. The result shows whether the silent interval ended early or late relative to the reference tempo.

What is the difference between Tempo Aim and Timing Trials?

Timing Trials focus on level-based tap timing. Tempo Aim adds a moving visual target, so you have to locate the target and still land the tap on the beat. Aim quality and timing both contribute to the result.

What is Echo Chain training?

Echo Chain trains rhythm memory as well as timing. You hear a rhythm, hold the pattern, then reproduce it. Normal keeps the guide click during your echo; Hard removes that guide after the count-in.

What is Timing Lab?

Nine short rhythm games, from drum rudiments and accent reading to polyrhythms, changing meters and races against a computer rival. Each level is scored out of 10,000 from how close every tap lands. The Timing Lab page describes every game.

Why can Echo Chain play the pattern once or twice?

Two plays reduce the memory demand while you learn a pattern. One play is a stronger recall test. The choice does not change what the pattern is; it changes how much exposure you get before reproducing it.

Can I use TempoLock as a normal metronome?

Yes. The Tools section includes a metronome with BPM, meter, subdivisions, accents and multiple click sounds, plus tempo ramp, tap tempo and polyrhythm/polymeter tools.

What is the difference between a polyrhythm and polymeter?

A polyrhythm divides the same time span into different numbers of evenly spaced pulses, such as 3:2. Polymeter keeps a shared pulse while different bar lengths overlap, such as 3/4 against 4/4.

Why does calibration change the sound but not the target?

Audio Output Calibration only moves the scheduled audio. Moving the visual target or scoring clock at the same time would hide which part of the system is being corrected. Tap Input Calibration is separate and affects scoring timestamps only.

Can I delete my account and data?

Yes. Signed-in users can use Profile & Settings → Delete account & data. The public deletion instructions are also available on the Delete account/data page. Privacy requests can be sent through Report a problem or support@tempolock.app.

How do I report a bug?

Use Report a problem on the TempoLock homepage. Include what you were doing, the mode and what you expected to happen. Timing reports are more useful when you also mention the browser, device and whether you were using speakers, wired audio or Bluetooth.