SmartCalc+ Science Calculator vs OriginCalc

A clean, powerful calculator for everyday and advanced use, now with iCloud sync. This app is designed to make calculations fast, reliable, and effortless across all your Apple devices. Features: • iCloud synchronization: your history and favorites are available on iPhone, iPad, and Mac • Basic and scientific modes • Fraction support for precise calculations • Customizable themes to match your style • Smart history for quick reference Everything you need in a calculator, always in sync and ready to go. Go Premium to unlock: - Complete calculation history - Extended history for fraction calculations - 100% ad-free experience Subscription payments will be charged to your App Store account upon confirmation of your purchase. Subscriptions will automatically renew and you will be charged unless auto-renew is turned off or unless you cancel at least 24 hours prior to the end of the current subscription or trial period. Any unused portion of a free trial period will be forfeited when you purchase a premium subscription during the free trial period. The cost of renewal depends on the Subscription Plan you choose. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase or by contacting Customer Support. Privacy Policy: https://retenica.com/privacy_policy Terms: https://retenica.com/terms_of_use

**All major currency rates on a single screen.** Enter an amount once and instantly see conversions across 12 major currencies—USD, EUR, JPY, GBP, AUD, CAD, CNY, CHF, HKD, KRW, INR, and SGD. No switching tabs, no extra taps: OriginCalc puts every key rate in one glanceable table so you can decide fast at checkout, while traveling, or planning expenses. **A high-precision calculator + instant converters** OriginCalc combines a precise, 20-digit calculator with daily-updated exchange rates and handy unit converters. Choose 0–10 decimal places, format with thousands separators automatically, and keep your recent calculations in an easy-to-read history. **Why users choose OriginCalc** • One screen, 12 major currencies at once — calculate once, see all results instantly • Daily-updated exchange rates for quick, reliable decisions • High-precision decimal math with up to 20 digits • Adjustable decimal places (0–10) for clean, professional results • Built-in unit conversions for Length, Mass, Volume, and Area • Clean themes and readable monospaced display for focus • Copy-friendly results and a compact, distraction-free layout **Perfect for** • Travel budgeting, shopping abroad, and online checkout comparisons • Freelancers and small businesses that invoice in multiple currencies • Students and professionals who need precise, formatted totals quickly **Notes** Exchange rates are refreshed daily and intended for informational purposes. Privacy-respecting design — no sign-in required.