Bridge at Sea · Bridge Modes Calculator
Every bridge format — one offline app
Four scoring modes for social bridge plus a full Duplicate tournament module with 43 movements for up to 20 pairs. Works completely offline — perfect for cruise ships.
Scoring modes
Five ways to play — all in one app
Duplicate Bridge
Full tournament module with 43 movements for 4–20 pairs. Matchpoint scoring, traveller entry and full rankings.
Kitchen Bridge
Simple social scoring for casual four-player games. Great for evenings on board with new friends.
Chicago Bridge
Four-deal rubber scoring — fast, decisive and perfect for a fixed time slot on a sea day.
Rubber Bridge
Classic rubber bridge scoring with full vulnerability tracking and honours.
Bonus Bridge
Skill-based scoring that rewards good play with weak cards. Invented by Mike Smith — Bridge at Sea’s founder.
Key features
Built for cruise ships — works anywhere
Fully offline
Works without any internet connection once installed. No ship Wi-Fi charges.
43 movements
Howell, Mitchell and Skip Mitchell movements for 2–10 tables, with sit-out variants.
Any device
Phone, tablet or laptop. Chrome or Safari. No app store download required.
Results in 2 minutes
Enter traveller scores after the session and get full matchpoint rankings instantly.
Free 2-month trial, then a low annual or lifetime fee
Bridge Modes Calculator is free to try for two months — full access to all five modes, no code needed. After that, continue with an annual licence for £10/year, or go lifetime for a one-off £25.
Installation
Install in 30 seconds
Add to home screen
Android: tap menu (⋮) → Add to Home Screen. iPhone: tap Share → Add to Home Screen.
Start playing
No code needed — your free 2-month trial starts automatically the moment you open the app.
Upgrade anytime
When you’re ready, tap the licence bar in the app to go Annual (£10/year) or Lifetime (£25).