H-Boot Trimm

Content rating
Everyone
10+
Downloads
Content rating
Everyone
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About this app

H-Boat Trim - Your digital assistant for safe and fast sailing

SAFETY THROUGH PROPER TRIM:
Since the H-Boat cannot be reefed, correct trim is crucial for the safety of the crew and the boat – especially in stronger winds.

OPTIMAL SETTINGS FOR EVERY SITUATION:

The app shows you the perfect trim settings for all 7 elements of your H-Boat:

- Luff tensioner
- Jib sheet lead
- Cunningham
- Boom vang
- Traveller
- Outhaul
- Backstay

FOR EVERY WIND STRENGTH:

Choose between light wind, medium wind, or strong wind and instantly receive the appropriate settings.

FOR EVERY COURSE:

Upwind, broad reach, reaching, or downwind – the app knows the optimal values.

WORKS ANYWHERE:

- No internet connection required
- No tracking
- Easily readable Wind and weather (white text on black)

- Available offline

EASY TO USE:
Select wind speed → Select course → Receive trim recommendations
Detailed explanations for each element directly in the app

Developed by H-Boat sailors for H-Boat sailors!
Updated on
May 2, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
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Content rating
Everyone
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App support

Phone number
+41794446774
About the developer
Thomas Rubin
thomas.rubin@trueprojekte.com
Haldenstrasse 8 6300 Zug Switzerland