Tackpolar: Sail Performance
Robert Corbin · Sports
Independent analytics for this App Store listing. AppTracker is not affiliated with Robert Corbin.
Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.
Price · 3.99 USD now · 2 changes on record
About
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.
Details