Tackpolar: Sail Performance
iOS app by Shadowfetch · App Store ID 6792826861 · iOS
Tackpolar: Sail Performance is a focused, fully on-device app. Offline sail-performance lab for imported or entered polar targets, true/apparent wind, VMG/VMC, tack and gybe comparison, performance percentages, and race-review notes.
Key Features
- Editable sailboat polars
- True/apparent wind geometry
- VMG and target percentage
- Local session-photo evidence
- Editable sample data and CSV import
- Side-by-side scenario comparison
- Local PDF evidence export
- Fifty-three original offline reference plates
One-Time And Private
- One paid download; no subscription or in-app purchase
- No account, advertising, analytics, tracking, or developer-operated backend
- Core features and bundled content work offline
- Work remains on device unless you deliberately share or export it through an Apple system interface
Tackpolar is a performance-planning aid, not a navigation, weather, routing, or collision-avoidance instrument. Use official charts, forecasts, rules, and approved marine equipment underway.
Privacy and support
Privacy information for Tackpolar: Sail Performance · Support for Tackpolar: Sail Performance
Questions: shadowfetchapps@gmail.com
Tackpolar: Sail Performance · App Store ID 6792826861 · Published by Shadowfetch · shadowfetch.com