Nozzlebook: 3D Printer Tracker

Nozzlebook is the calm, simple 3D printing companion for your 3D printer. Track every filament spool, see what each print really costs in filament and electricity, and get a notification the moment your print finishes. PRINT TIMER & ALERTS • Start a print and get a live countdown with ETA • Notification when it's done, plus an optional heads-up 5–30 minutes before • Slicer too optimistic? Add 15 minutes or an hour and the alerts move with it • Home Screen and Lock Screen widgets show time left at a glance TRUE COST OF EVERY PRINT • Filament cost from your spool's price per gram • Electricity cost from your printer's wattage and your kWh rate • Machine wear spread over your printer's lifetime • Quote calculator with failure buffer, labor and markup for selling prints FILAMENT INVENTORY & SPOOL MANAGER • Track brand, material, color, diameter, price and grams left on every spool • Weigh a spool on any kitchen scale to update what's left • Low filament warnings before you run out mid-print • Drying reminders for PETG, TPU, nylon and other moisture-sensitive filament • PLA, PETG, ABS, ASA, TPU, nylon, PC, carbon fiber blends and more PRINTERS & MAINTENANCE LOG • Print hours, success rate and power bill for each printer • Maintenance checklist that comes due by print hours: clean the nozzle, check belts, lubricate rods STATS • Spend per month split into filament, energy and wear • Filament usage by material and brand • Success rate and filament lost to failed prints TOOLS • Grams to meters filament converter • Nozzle, bed and drying temperatures for common materials • Export your print log as CSV Works with any FDM 3D printer, including Bambu Lab, Prusa, Creality, Elegoo and Anycubic machines. Optimized for iPhone, iPad and foldable iPhones. Syncs across your iPhone and iPad with iCloud. No sign-up, no ads, no tracking: your data stays in your own iCloud account, and the developer never sees it. NOZZLEBOOK PRO One-time purchase, Family Sharing. iCloud sync, the print timer, alerts, cost per print, 1 printer, 5 spools, this month's stats and the small countdown widget are free. Pro unlocks: • Unlimited printers and spools • Apple Watch app and complication • Every widget, including the Lock Screen • Quote calculator • Full stats history with material and brand breakdowns • Maintenance schedules and drying reminders • CSV export