Tackpolar: Sail Performance

About Tackpolar: Sail Performance

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.