Comparison

zChess Clock vs Blitz Clock

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

zChess Clock

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Keep your games moving with zChess Clock, a clean, chess clock that’s easy to use and fully customizable. Whether you’re blitzing with friends or testing long time controls, ChessClock has you covered. Features: • Classic and modern modes – choose from standard time controls or create your own. • Custom timers – add increment, delay, or Bronstein time delay. • Hourglass mode – watch time flow between players for a fast, dynamic feel. • Simple and stylish design – tap to switch turns, and focus on the fun. • Save your favorites – quickly load your most-used setups. Built for chess lovers who just want to hit play and start the clock. Ready? Tap, move, and let the games begin.

About

Blitz Clock

Features
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Blitz Clock is a clean, distraction-free chess timer built to replace the physical chess clock. Whether you're playing blitz, rapid, bullet, or classical games, Blitz Clock keeps your matches precise, fair, and smooth. Designed with a minimal interface and fast response time, the timer is optimized for over-the-board games, tournaments, practice sessions, and casual play with friends. Features: * Multiple time controls (Blitz, Rapid, Bullet, Classical) * Custom time settings * Increment (Fischer) support * Simple tap to stop the timer and start the opponent’s timer * Works perfectly for chess clubs and tournaments * Pleasant sounds whilte stopping the timer and time’s up alert. * Voice reading when you are getting out of time we created Blitz Clock to completely replace the physical tapping of chess clock with iPhones, iPads and make the smooth tapping possible to play more games fast, smooth and with more accuracy. Play smart. Play fast. Play with Blitz Clock.

Screenshots

zChess Clock3 screens
Blitz Clock4 screens

Verdict

The call

zChess Clock and Blitz Clock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
zChess Clock versus Blitz Clock: the parameters behind the verdict, then further details
ParameterzChess ClockBlitz Clock
PriceFreeFree
Update frequency—Every 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS26.026.0
Further details — not scored
Size2 MB1 MB
Age rating4+4+
DeveloperBenjamin ZobristMekala Vamsi Krishna

In-app purchases

None

zChess Clock

No in-app purchases

None

Blitz Clock

No in-app purchases

Questions

Is zChess Clock free?
zChess Clock is free to download, with no in-app purchases.
Is Blitz Clock free?
Blitz Clock is free to download, with no in-app purchases.
Do zChess Clock or Blitz Clock have ads?
Neither zChess Clock nor Blitz Clock shows ads.

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