Chess Clock vs Flagfall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chess Clock
This app provides a reliable and accurate chess clock for various game formats, including blitz and rapid play. It offers essential features for over-the-board matches with a clean interface and supports common timing increments and delays.
- Fischer increment support
- Bronstein delay support
- US delay support
- Instant turn switching
- Clear flag detection
- Pause game functionality
- Haptic feedback
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Chess Clock - Tournament Timer is a fast, accurate two-player chess clock built for real over-the-board games. Play blitz, rapid, classical and tournament chess with simple controls and reliable timing. Choose from popular game lengths and use Fischer increment, Bronstein delay or US Delay directly from the main clock setup. No ads. No subscription. Just play chess. FREE FEATURES • 1, 3, 5 and 10 minute time controls • Fischer increment • Bronstein delay • US Delay • Common increment and delay values • Quick tournament presets • Instant tap to switch turns • Automatic tenths display under 1 minute • Clear flag-fall detection • Pause and resume games • Record White wins, Black wins and draws • Game history with move count, time control and timestamps • Haptic feedback and end-of-game signal PRO - ONE-TIME UNLOCK Want more control? Unlock Pro once for advanced customization: • Set custom game lengths • Create custom increment and delay values • Fine-tune time controls beyond the standard options • Access advanced custom tournament setups One purchase. No subscription. No ads for anyone. Whether you're playing a quick blitz game, a club match or a longer tournament game, Chess Clock gives you a clean, distraction-free clock with the timing modes you need.
Flagfall
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Flagfall is a chess clock built for real games — at the club, at a tournament, or across the kitchen table. TIME CONTROLS • Fischer increment — time added after every move • Bronstein delay — time spent is given back, up to the increment • US delay — the clock only starts counting once the delay has elapsed • Byo-yomi — main time followed by periods, for go and shogi • Multi-stage FIDE controls — 40 moves in 90 minutes, then 30 minutes, with a 30-second increment from move one • Asymmetric time — give one player a handicap BUILT FOR THE TABLE The whole half of the screen is the tap target, not a small button. In table mode the top panel rotates 180 degrees for the player sitting opposite, and each side sees the opponent's remaining time the right way up. The screen stays awake for the entire game. Your settings and the game in progress survive closing the app — reopen it and the clock is exactly where you left it, paused. ACCURATE BY DESIGN The clock never decrements a counter on a timer. Remaining time is derived from timestamps, so a backgrounded app, a late frame or a locked screen cannot make it drift. NO ADS, NO ACCOUNT, NO DATA Flagfall makes no network requests. It works entirely offline, collects nothing, and contains no advertising or tracking whatsoever. There is no account to create and nothing to subscribe to. Available in English, French, Spanish, German, Italian, Portuguese, Dutch, Polish, Russian, Turkish, Japanese and Chinese.
Screenshots
Verdict
The clearest difference is in-app purchases: Flagfall at none against Chess Clock's 1. Flagfall also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, 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. Flagfall asks for nothing beyond the download.
Chess Clock ships an update every 3 weeks, Flagfall every 2 weeks. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.
| Parameter | Chess Clock | Flagfall |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Liamyte OÜ | L&L FRANCE |
In-app purchases
Chess Clock
- Pro Unlock – Lifetime$3.99
Flagfall
No in-app purchases
Questions
Is Chess Clock free?
Is Flagfall free?
Do Chess Clock or Flagfall have ads?
Which is updated more often, Chess Clock or Flagfall?
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