A keyboard that splits in two on the open screen, one half under each thumb.
Utilities · iPhone Duo app
Chess Clock Duo
by Vincent Grellert
A game timer for two where the clock follows the fold.
iPhone Duo support
Confirmed
- Confirmed in
- Release notes, version 1.1
- Version released
- Price
- Free
- Last checked
Checked by hand against the App Store.
Screenshots
Chess Clock Duo on the App Store
Screenshots from the App Store. Tap one to see it full size.
On iPhone Duo
Chess Clock Duo on iPhone Duo
Chess Clock Duo is a fair, ad-free timer for two players. Opened like a book the times sit side by side, and lying flat each half faces its player.
- Developer
- Vincent Grellert
- Category
- Utilities
- Price
- Free
- Platform
- iOS · iPhone Duo
Does Chess Clock Duo support iPhone Duo?
Yes. iPhone Duo support is confirmed in the release notes of Chess Clock Duo version 1.1, released Nov 6, 2026.
How much does Chess Clock Duo cost?
Chess Clock Duo is free to download on the App Store.
Who makes Chess Clock Duo?
Chess Clock Duo is made by Vincent Grellert and is in the Utilities category.