Comparison

GDF HEMA Timer vs Chess Clock Timers

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

Head to head
About

GDF HEMA Timer

Features
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GDF HEMA Timer is a precise and minimal timer designed for Historical European Martial Arts (HEMA) training. It helps fencers, instructors, and tournament organizers manage timing during drills, bouts, and sparring sessions. Features: - Simple interface with large, readable display - Configurable round and break durations - Audible and vibration alerts for start and end signals - Preset saving for repeated training routines - Works fully offline, with no ads or tracking - Open-source and lightweight This timer is developed by practitioners for practitioners, focusing on reliability and clarity during intense training sessions.

About

Chess Clock Timers

Features
Read full description

Chess Clock Timers is the tournament-grade chess clock for serious players. Full FIDE and USCF time control support — Fischer increment, Bronstein delay, and simple US delay — in a beautiful, dead-simple timer with DGT-style ergonomics. Tap anywhere on your half to switch turns — the way you would a real chess clock. Only your half responds during your move, so accidental mistaps during your opponent's turn are impossible. BUILT FOR REAL PLAY • Tap-anywhere targets — slap your side with the back of your hand, just like a physical chess clock • Only the active side responds — no catastrophic mistaps during your opponent's turn • Center pause that's deliberately hard to hit by accident mid-game • Audible flag fall even with your phone on silent — tournament reliable • Top half rotates 180° so both players read upright across the board • The clock keeps running when you switch apps or lock your phone — just like a real chess clock EVERY TIMING MODE • Fischer increment — time added at the start of each move (FIDE standard) • Bronstein delay — used time returned, capped at the delay (cannot accumulate) • Simple US delay — clock pauses for N seconds before ticking each move (USCF standard) • Sudden death — pure countdown, no time added EVERY OFFICIAL PRESET, OUT OF THE BOX Bullet: 1+0, 2+1 Fischer Blitz: 3+0, 5+0, 3+2 Fischer, 5+3 Fischer Rapid: 10+0, 15+10 Fischer, 25+10 Fischer Classical: 60+0, 90+30 Fischer (World Championship) USCF: G/30 d5, G/60 d5, G/90 d30 CRAFTED FOR TIME PRESSURE • Digits shift amber at 30 seconds, critical red under 10 seconds • Optional chime at the low-time thresholds • Crisp haptic feedback on every move • Optional tap sound for confirmation • Move counter shown alongside the active clock • Light, dark, and system-matching themes Save your own custom time controls in any mode and any duration — Fischer, Bronstein, simple delay, or sudden death. No ads. No accounts. Tap and play. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

GDF HEMA Timer2 screens
Chess Clock Timers4 screens

Verdict

The call

The clearest difference is device support: GDF HEMA Timer at 3 against Chess Clock Timers's 1. GDF HEMA Timer also leads on iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

Scorecard2 real differences · 4 level
GDF HEMA Timer versus Chess Clock Timers: the parameters behind the verdict, then further details
ParameterGDF HEMA TimerChess Clock Timers
PriceFreeFree
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size18 MB28 MB
Age rating4+4+
DeveloperDmytro LisitsynAdapted Hub LLC

In-app purchases

None

GDF HEMA Timer

No in-app purchases

None

Chess Clock Timers

No in-app purchases

Questions

Is GDF HEMA Timer free?
GDF HEMA Timer is free to download, with no in-app purchases.
Is Chess Clock Timers free?
Chess Clock Timers is free to download, with no in-app purchases.
Do GDF HEMA Timer or Chess Clock Timers have ads?
Neither GDF HEMA Timer nor Chess Clock Timers shows ads.

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