Blitz Clock vs Chess Clock
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Blitz Clock
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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.
Chess Clock
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Flag is a focused chess clock for over-the-board (OTB) games. Choose a preset, start the clock, and tap your side after each move. Flag stays out of the way with large tap zones, clear timers, no ads, no account, and works fully offline. Built for tournament and casual play: • Bullet, blitz, rapid, and custom time controls • Fischer increment, Bronstein delay, simple delay, and no-increment games • Asymmetric time odds for White and Black • Move counter, pause, reset, and state restoration • Live Activities on supported iPhone and iPad devices • Sounds, haptics, and clean Pro themes Core chess clock functionality is free. Flag Pro is a one-time upgrade for saved custom time controls and premium themes. Privacy Policy: https://app.notion.com/p/Flag-Privacy-Policy-39e5afe876e3802698d5f595beccc284?source=copy_link Terms of Use: https://app.notion.com/p/Flag-Terms-of-Use-39e5afe876e3806fa9ecd13557c107df?source=copy_link
Screenshots
Verdict
The clearest difference is in-app purchases: Blitz Clock at none against Chess Clock's 1. Chess Clock's advantage is update cadence (every 2 weeks vs every 3 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Chess Clock sells 1 one-off in-app purchase. Blitz Clock asks for nothing beyond the download.
Blitz Clock ships an update every 3 months, Chess Clock every 2 weeks. The most recent releases landed on October 9, 2026 and September 27, 2026 respectively.
| Parameter | Blitz Clock | Chess Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Mekala Vamsi Krishna | Damir Stuhec |
In-app purchases
Blitz Clock
No in-app purchases
Chess Clock
- Flag Pro$4.99
Questions
Is Blitz Clock free?
Is Chess Clock free?
Do Blitz Clock or Chess Clock have ads?
Which is updated more often, Blitz Clock or Chess Clock?
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