HOME SCREEN WIDGET - Active well mud weight at a glance - Margin to pore and fracture - Highlights a thin margin - Flags a well you have not updated in days - Small and medium sizes TODAY'S NUMBERS, FASTER - Update depth and mud weight straight from the dashboard - No need to open the full well editor - Warning when a well has not been updated in days - A blank field never resets a well to zero SAFETY - Dashboard flags a thin margin to pore or fracture - Warning when a gradient profile has fracture at or below pore - Calculators reject text, infinity and overflowing numbers - A result that cannot be computed shows a dash, never a wrong number CALCULATORS - Pin the tools you run every tour to the top - Run Again reopens a saved result with today's well numbers - Undo a save for a few seconds after it lands in the log - Tool descriptions no longer cut off mid sentence - Category chips no longer clipped WELLS - Import a pore and fracture gradient profile from CSV - Comma, semicolon and tab separated files all work - Header row optional - Quoted values and thousands separators handled - Skipped rows are reported, never dropped silently - Warns when pore and fracture columns look swapped SIRI AND SHORTCUTS - Ask for your active well status by voice - Open Derrick on a chosen screen - derrick:// links now open the right screen IPAD - Sidebar returns correctly when you rotate - Portrait no longer covers the dashboard - Keyboard shortcuts are now named in the command menu - Onboarding centred instead of pinned to one corner HISTORY - Notes save when you leave the screen - Unit system shown on every saved result - Exports state which unit system the figures are in - Just now instead of a cryptic timestamp SUBSCRIPTION - Every plan visible on one screen - View All Plans in Settings at any time, subscribed or not - Current plan marked, switch plans in one tap - Restore Purchases gives clear on-screen feedback - Real prices for your region, never a placeholder THROUGHOUT - The app is now called Derrick - Plain button names across every screen - Large text sizes no longer clip pricing or legal text

DERRICK is a fast, accurate drilling and well-control calculator for the rig floor. Set up your well once and every calculator pre-fills from it, so you only change what is different today. Built for drilling engineers, toolpushers, company men, mud engineers, and students who need the right number under pressure. - Your active well pre-fills every calculation. Less typing, fewer mistakes. - Tap show your work on any result to see the formula with your exact numbers. - Works fully on device…