UnitDeck vs Calculator Ultra

UnitDeck is a fast unit converter and practical calculation toolbox built for real work. Choose your industry and UnitDeck places the conversions you use most on your Home screen. Convert common and specialist units, search by name or symbol, save favorites, keep conversion records, and add simple work notes without digging through long menus. BUILT AROUND YOUR WORK • Industry profiles for trade, logistics, construction, textiles, manufacturing, furniture, electrical work, HVAC, agriculture, energy, marine work, automotive work, and more • 121 conversion categories covering everyday and professional measurements • 25 practical trade calculators for common field and desk workflows • Search by unit name, symbol, or abbreviation • Favorites, recents, saved conversions, notes, configurable precision, and inch fractions FAST AND PRIVATE • Conversion inputs, saved records, and notes stay on your device • No account required • No advertising or cross-app tracking • Core conversion tools work offline UNITDECK PRO The free version includes a useful set of common conversions, tools recommended for your first industry, and limited previews of professional categories. UnitDeck Pro unlocks the complete professional toolbox with one lifetime purchase. It is not a subscription and does not auto-renew. Conversion results are provided for general information, estimation, and workflow assistance. Verify safety-critical, contractual, engineering, medical, financial, or regulated work against applicable standards and qualified professional guidance.

Calculator Ultra is a fast, accessible calculator designed for everyday use. CALCULATE WITH CONFIDENCE • Large, easy-to-tap keys • Live expression and result display • Memory functions, percentages, sign changes, and scientific tools • Calculation history with notes MORE THAN A CALCULATOR • Convert units and currencies • Calculate durations and date differences • Use the interactive Home Screen widget • Work in portrait or a dedicated landscape layout • Everyday calculations work offline; currency rates refresh online when available MAKE IT YOURS • Four polished themes stored on your device • Midnight, Graphite, Porcelain, and Forest styles • Consistent colors throughout the interface BUILT FOR EVERYONE • English is the default language • Supports Thai, Spanish, French, German, Japanese, Korean, Simplified Chinese, and Arabic • VoiceOver-friendly labels and right-to-left layout support No account or sign-in is required.