Tintwright: Formula Cards

Tintwright is a private colorist ledger for salon professionals who need formula cards, visit notes, bowl math, and inventory signals in one offline app. Save client color history, record line, shade, developer, timing, service context, and follow-up notes. The workbench calculates bowl totals, developer ratios, product cost, and margin from values you enter. A reference library covers practical documentation habits, consultation prompts, correction boundaries, inventory checks, and handoff notes. KEY FEATURES - Client formula card ledger - Bowl total and developer ratio calculator - Product-cost and service-margin view - Inventory drawdown estimates - Visit follow-up tasks - Local PDF visit card - 60-card offline colorist reference library - No account, ads, tracking, analytics, subscription, or network requirement Tintwright organizes user-entered salon records and simple arithmetic. It does not make safety decisions, diagnose allergies, recommend chemical services, or replace product labels, licensing rules, workplace policy, or professional judgment.