Prism Percent

--- **Prism Percent** is a fast, offline-first percentage calculator designed for everyday use. No account. No sign-up. No data leaving your device. Just instant, reliable percentage maths — wherever you are. --- ### ⚡ Calculate Smarter Enter a number or a simple arithmetic expression — including addition, subtraction, multiplication, division, and parentheses — and Prism Percent instantly computes multiple percentage outcomes side by side. Compare rates, spot the best deal, and make confident decisions at a glance. --- ### 🎯 Guided Scenario Modes Go beyond basic percentages with purpose-built calculation flows: - **Discount & Sale** — see exactly how much you save and what you'll pay - **Tip Calculator** — split bills, choose a tip rate, and round totals effortlessly - **Tax & VAT** — add tax to a price or reverse it to recover the pre-tax amount - **Markup vs. Margin** — understand the real difference and calculate true profit - **Budget Allocation** — divide an amount across spending categories and spot over-allocation instantly --- ### 🔁 Reverse & Target Tools Work backwards when you need answers the other way around: - What percentage is one number of another? - What is the percentage change between two values? - What was the original amount before a discount or tax was applied? - What rate do you need to hit a specific target? --- ### 💾 Reusable Presets Save your most-used percentage sets as named presets — standard tax rates, typical tip tiers, commission brackets, or anything you calculate regularly. Switch between them instantly without re-entering values. --- ### 📋 History That Keeps Up With You Every successful calculation is saved locally on your device. Pin your most important entries for fast access and restore any previous calculation — including its full percentage configuration — with a single tap. --- ### 🔒 Privacy First, Always - All calculations, history, and presets are stored entirely on your device - No account is required for any core feature - No user-entered values are ever transmitted externally - Advertising and analytics are subject to your explicit consent choices - Change your privacy preferences at any time from within the app --- ### 🌍 Available in 12 Languages English · Français · Deutsch · Español · Português (Brasil) · हिन्दी · Русский · 日本語 · Bahasa Indonesia · 繁體中文 · 简体中文 · فارسی --- ### 📶 Works Offline Every core feature — calculation, history, presets, guided modes, and reverse tools — works fully without an internet connection. Network access is used only for optional services such as ads and analytics, and only with your consent. --- ### 🆓 Free to Use Prism Percent is free and ad-supported. Core calculation features are never locked, never throttled, and always available — online or offline. --- *Your numbers. Your device. Your control.*

Updates on 2026-09-24 (Version 2.0.5) - bug fix - UI enhancement