Focused, well-crafted tools for iPhone and iPad. No ads. No bloat.
Never do barbell math in your head again. Enter a target weight and PlatePal shows you exactly which plates go on each side. The Logbook keeps every session you save, with records for every lift.
Swap the programmed cardio, keep the stimulus. Enter the run, row, ski, or bike a workout was written for and ErgSwap shows the equal-effort equivalent on whatever erg your gym has free.
Your blueprint for better coffee. Dial in your water, coffee, and brew ratio — adjust any value and the others update in real time. Precision engineered for pour-over obsessives.
From hours to invoices. A time tracker for independent contractors that turns logged hours into clean, correct PDF invoices, ready to email, AirDrop, or save. Your first invoice is free, and a one-time purchase unlocks unlimited invoicing.
Possisoft is an independent iOS studio. Every app starts with a problem worth solving, and ends only when the solution feels right. That means smaller scope, higher craft, and no filler features added just to justify a price tag.
Questions or feedback? We'd genuinely love to hear from you.