DIGITCA

A calculator that remembers your work. Voice, OCR, history, and archive - for anyone who runs the same numbers more than once.

A tape calculator that doesn't forget.

Every number you tap goes onto a tape you can scroll, edit, save, and come back to. No more wiping the screen by accident and losing the whole calculation. No more squinting at one line of digits, trying to remember what you were even working on.

DIGITCA is built around a simple idea: numbers deserve a paper trail.

The tape isn't just a log. It's the calculator itself. Tap any number to change it on the spot and watch the totals update live. Scroll back through every step. Autosave keeps your work safe between sessions.

FREE Full tape calculator: persistent, scrollable, autosaved Editable tape: tap any number to change it and totals recalculate instantly Cashier mode for quick running totals Scientific keyboard: trig, log, factorial, combinations, permutations, scientific notation Natural input: type or dictate "twelve fifty plus tax" and DIGITCA gets it Date and time math: add days to a date, subtract weeks, calculate durations Currency converter: 161 world currencies + major crypto, rates from open.er-api.com Unit converter: length, weight, temperature, volume, speed, and more Plain text export Default light and dark themes Interactive Home Screen widget

DIGITCA FULL Tape archive: name, browse, and reload past sessions, locked behind Face ID or PIN if you want Palettes inspired by classic calculator design: Braun-style, Pixel Art, Blueprint, Swiss, and more Tactile sounds inspired by classic calculators Full export suite: thermal card, PDF, CSV, Markdown, and 9:16 video for Reels and Stories More visual customisation: custom app icon, numeric font packs, tape density, custom logo on exports One-time purchase. Family Sharing supported.

INTERACTIVE HOME SCREEN WIDGET Pin a live currency converter to your Home Screen. Tap to swap currencies, switch between preset amounts, and see the unit rate and last update time at a glance.

NO SUBSCRIPTIONS. NO ADS. NO TRACKING. NO CLOUD. Your data never leaves your device.

For shopkeepers, accountants, cooks, freelancers, designers, students, and anyone who runs the same numbers more than once and wants to remember how they got there.

Made in Brevnov, Prague.