Calcdeck: Calculator+Tape
iOS app by jiahao zhang. Utilities · jiahao zhang
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
Calcdeck is a beautiful calculator with a persistent tape that follows you across your devices — one $7.99 purchase, no subscription wall. Most calculators forget what you just did. Calcdeck keeps a running tape of every calculation, syncs it to your iPhone, iPad, and Mac through your own iCloud account, and wraps it all in a design you'll actually want to look at. PAY ONCE. NO SUBSCRIPTION. Calcdeck Pro is a $7.99 one-time purchase. Optional monthly and annual plans exist for people who'd rather not pay upfront — but the lifetime unlock is the headline, and it's always the better deal. WHAT YOU GET FREE • A fast, precise calculator with order-of-operations and parentheses • A persistent tape of your last 50 calculations • Tap any tape entry to reuse its result • A clean default theme, light and dark WHAT PRO UNLOCKS • Unlimited tape — never lose a calculation again • iCloud tape sync — the same history on every device, no account, no server • 25 themes including Liquid Glass and retro CRT • Units & currency conversion with bundled offline rates • Named variables you can reuse inside any expression • Programmer mode — hex, octal, binary, and bitwise operators PRIVATE BY DESIGN No accounts. No tracking. No servers. Your tape syncs through Apple's iCloud Key-Value Storage and never touches our hands. Currency rates are bundled into the app and refreshed by updates — nothing is fetched about you. Built entirely with Apple frameworks, on-device, for people who do quick math all day and are tired of losing context.
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