CalcHub: Calculator Suite

CalcHub replaces dozens of single-purpose apps with one powerful, offline calculator suite — built for math, finance, fitness, and health. Whether you are a student, professional, or everyday user, CalcHub delivers instant answers across every calculation you need — 100% offline, with absolute privacy.

KEY FEATURES

1. Core Mathematical Suite • Basic Calculator: Simple, clutter-free layout for quick day-to-day arithmetic, percentage, and age calculations. • Scientific Calculator: Full array of logarithmic, trigonometric, exponential, and algebraic functions. • Precision Control: Custom decimal precision selectors (up to 10 decimal places) to suit any field. • Smart History Logs: Scroll through past equations and clear your log at any time with a single tap — stored privately on your device.

2. Advanced Financial Tools • Mortgage & Auto Loans: Estimate monthly EMI payments, down payments, and cumulative interest. • CD & Savings Compounding: Forecast compound interest growth with customizable frequency steps. • Tax Bracket Estimators: Calculate federal income tax details instantly. For estimation purposes only — consult a tax professional for filing advice. • Commission Tracker: Compute sales commissions, splits, and profit margins. • Currency Converter: Instantly convert between major world currencies.

3. Health, Wellness & Fitness • BMI & Healthy Weight: Instantly check body mass index and ideal weight estimates. • Daily Calorie & Macro Tracker: Calculate your TDEE and custom carbohydrate, fat, and protein intake breakdowns. • Body Fat Calculator: Estimate body composition percentages based on standard metrics. • Cycle Tracker: Forecast cycles and fertile windows. For informational purposes only — not a substitute for medical advice.

4. Instant Unit & Utility Converters • Unit Converters: Convert length, mass, velocity, pressure, and energy values instantly. • Date & Day Counters: Determine elapsed days between dates or find the day of the week for any year. • Science Kits: Find molecular weight constants, chemical parameters, and common scientific factors.

PRIVACY-FIRST COMMITMENT

Unlike other calculator apps, CalcHub never monitors your activity or collects your data: • 100% Offline: Every calculation runs entirely on your device. No internet connection required. • Zero Data Collection: No account registration, profiles, or email login required. • No Third-Party SDKs: No trackers, ads, or analytics networks. Your inputs remain entirely yours. • Private Storage: Your settings and history are saved locally and never leave your phone.

MODERN DESIGN & UX

• Responsive Layouts: Adapts dynamically to all iPhone sizes and orientations. • Light & Dark Mode: Harmonious blue theme that blends seamlessly with iOS system appearance. • Tactile Feedback: Responsive tap states and smooth transitions for a premium, engaging experience.