OmniCalc (cf126c)

Calcly is the iPhone-only, all-in-one calculator designed to solve every "how much?" in daily life — in a single tap.
Checkout discounts, sales tax, splitting the bill, travel currency conversion, loan and investment simulations — the scattered math of modern life, gathered in one beautifully crafted app.


11 Purpose-Built Tools

・Discount & Markup
Flip between percent and fixed amount instantly. Slider + keypad for fluid input.
・Tax: Inclusive / Exclusive
Support for reduced rates, added or included tax, with smart presets for your favorite rates.
・Split the Bill
Even splits, weighted shares, and clean rounding — designed for whoever ends up organizing.
・Currency Converter
Save your own FX rates and convert instantly anywhere you travel.
・Stacked Discounts
Accurately simulate multiple coupons and points redemptions layered on top of each other.
・Reverse Calc
Work back from a target price to the original amount — perfect for pricing and negotiation.
・Tip Calculator
Optimized for travelers. Rounding and per-person splitting included.
・Interest Rate Converter
Convert between annual, monthly and daily interest rates.
・Shopping Memo
Auto-totaled shopping list with built-in budget tracking so checkout is never a surprise.
・Loans & Investments
Simulate monthly loan payments and the future value of recurring investments.
・Compare & Analyze
Side-by-side scenarios and unit-price comparisons to reveal the best deal instantly.


Designed for Feel

・Large, high-contrast numerals reduce misreads
・Slider + keypad tuned for thumb-only use
・Subtle haptic feedback makes every tap feel alive
・Two stunning themes: dark and light


Precision Without Compromise

・Round, floor, or ceiling rounding modes
・Rounding units of 1 / 10 / 100 / 1,000
・Apply rounding after each step, or only at the end
・Auto-saved history; favorite your most-used setups so you never redo the same math


Great For

・Anyone who wants to know "what do I actually pay?" at a glance
・Freelancers and small-business owners handling tax-inclusive invoices
・The person who always ends up organizing group dinners
・Travelers managing currency and tipping abroad
・Households planning loans, savings, and investments
・Decision-makers comparing options to pick the smartest choice


iPhone-Optimized

Designed exclusively for iPhone — with native smoothness and carefully considered details that respect how you actually spend your day.


Turn hesitation into confidence.
Make smarter, faster decisions — starting today, with Calcly.