OTB Clock
Chess Clock & Timer
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
OTB Clock is a precise chess clock for over-the-board games. Supports all standard time controls from bullet to classical.
Features:
- Bullet, Blitz, Rapid, and Classical presets
- Fischer increment support
- Move counter
- Tap-to-switch interface
- Screen stays on during games
- Custom time control creation
Premium unlocks all time control presets and custom time controls. Free users get 3-minute, 5-minute, and 10-minute presets.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://frexx.top/privacy
Privacy Policy: https://frexx.top/otbclock/privacy.html
Terms of Use: https://frexx.top/otbclock/terms.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The clock now shows balance, average pace, and time used during a game, making it easier to spot pressure before either side flags.
The developer, 杰 向, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- 杰 向
- Size
- 655.4 KB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Premium — Yearly USD 19.99
- Copyright
- © 2026 Jie Xiang