100% Percent Calculator vs Massive Timer

The percent calculator that asks you the right question, instead of making you remember the formula. WHAT YOU CAN CALCULATE • Discount: how much off, or the final price after X% off • Sales tax / VAT: add or remove tax from a price • Tips: how much to leave, or what percentage someone tipped you • Profit margin & markup: for shop owners pricing inventory • "What percent is X of Y" and the rest of the basics REAL-LIFE USE CASES At the till deciding if "30% off" is actually a good deal. Adding VAT to a quote for a client. Splitting a restaurant bill after a couple of drinks (we've all been there). Pricing your own products with the right margin. The app is built around "what are you trying to figure out?" — not "here are all the buttons, good luck." CONVERTERS • Length and imperial ↔ metric, built in • Live currency conversion with daily exchange rates (Pro) PRO — ONE-TIME PURCHASE Pro is a single purchase. No subscription, ever. • Calculation history — tap any past result to copy it • Custom default values per calculator (e.g. always pre-fill your usual tax rate) • Live currency converter • Unlimited favorite calculators (free users get one) • Pick your accent color Built and maintained by a one-person indie studio. Buying Pro once keeps the lights on.

Meet Massive Timer – the timer that wants to be seen. Whether you're presenting on stage, working out in the gym, or cooking in the kitchen, Massive Timer ensures you can time everything with style. We’ve stripped away the clutter to give you a clean, beautiful interface where the time is the star of the show. Simple by Design Forget tiny buttons and complex menus. With Massive Timer, the entire screen is your start/stop button. Just tap anywhere to begin or pause. It’s that intuitive. Stunning Neumorphic Interface Built with a soft, modern aesthetic that feels tactile and premium. Watch buttons press and shadows shift as you interact with the app. It looks incredible in both Light Mode and Dark Mode. Features at a Glance: • Massive Digits: Utilises every pixel of your screen for maximum visibility. • Smart Orientation: Automatically switches between a landscape single-line display and a portrait stacked display. • Instant Controls: Access presets (1m, 5m, 10m) and custom times with a simple slide-up panel. • Stopwatch Mode: Fast switching between countdown and count-up modes. • Apple Watch Support: A fully-featured companion app that brings the same massive legibility to your wrist. • Gesture Control: Tap anywhere to start/stop. • Themes: Beautiful Light and Dark modes. Perfect for fitness intervals, classroom management, or any task where visibility matters. Download Massive Timer today and make every second count.