Chess Timer (P2P Clock) vs TempoGuess

Replace your chess clock with your phone. Link two phones so you don't need to touch the other phone and no one touches yours. Links over fast servers for accurate time, no account required. Choose your time control and you're ready to play. The 2nd player joins and the game starts. Easy replacement for a Chess Clock. Preset or custom game lengths. Press buttons only on your phone, join with a QR code no need to share private details Want to save your stats? Email our support as we are adding new features.

How good is your inner clock? TempoGuess is a deceptively simple test of timing and nerve. You're given a target time. You press START — and the timer vanishes. No countdown, no ticking. When you feel the time has passed, you press STOP. The closer you are, the higher your rank: Bronze, Silver, Gold, Platinum… or the perfect Diamond. It sounds easy. It isn't. And you'll want "just one more try." ▸ 8 GAME MODES Classic, Easy, Hard, Blind (the target vanishes!), Rush (10-round combo runs), a daily one-shot Challenge, hourly Beat-The-World, and pass-and-play Multiplayer. ▸ CLIMB AND UNLOCK Earn XP, level up, and unlock themes, avatars, profile borders, sound packs, and victory effects. Decimal-precision targets unlock as you master your timing. ▸ YOUR PERSONAL COACH TempoGuess learns your habits and tells you whether you stop early or late — so you actually improve. ▸ CHALLENGE YOUR FRIENDS Share a result and friends get a link to beat your exact time. Closest wins. ▸ PLAYS ANYWHERE Fully offline. No account. No data collected. Just you and your sense of time. Think you can hit the time? Prove it.