RapZap chess clock vs Modern Chess Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RapZap chess clock
A simple and easy-to-use timer for two-player board games like Chess, Go, and Checkers. Offers basic time options for free, with additional features available through in-app purchases.
- Two-player game timer
- Supports Chess, Go, Checkers
- Simple interface
- Basic time options (15, 45, 60 min)
- In-app purchase for more options
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The RapZap chess clock allows to keep track of times in two player games such as Chess, Go or Checkers. It's handled easily and without complicated settings. In the free version you can choose between 15min, 45min or 60min per player. Other options are available via InApp purchase. The app is deliberately kept simple so you can focus completely on your game.
Modern Chess Clock
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The chess clock is a timer with world-renowned methods used by amateur or professional chess players to make the game of chess even more quality and exciting. This is not a game of chess, but a clock next to the players. - Play with the most popular play times or add your own play methods. - Suitable for everyone with annotated playtime methods. - Add excitement to your game with sound alerts. - Get the ad-free game timer experience.
Screenshots
Verdict
The clearest difference is in-app purchases: Modern Chess Clock at none against RapZap chess clock's 2. RapZap chess clock's advantage is iOS requirement (9.0 vs 15.0). 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. RapZap chess clock sells 2 one-off in-app purchases. Modern Chess Clock asks for nothing beyond the download.
RapZap chess clock ships an update fortnightly, Modern Chess Clock every 10 days. Both last shipped on October 10, 2026.
| Parameter | RapZap chess clock | Modern Chess Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (6 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Mattheus | Nurullah Bilgin |
In-app purchases
RapZap chess clock
- Remove Ads$0.99
- Time Package (5 minutes and 30 minutes games)$1.99
Modern Chess Clock
No in-app purchases
Questions
Is RapZap chess clock free?
Is Modern Chess Clock free?
Do RapZap chess clock or Modern Chess Clock have ads?
Which is updated more often, RapZap chess clock or Modern Chess Clock?
Other comparisons
