redOS. vs Tip Calculator

We introduce you redOS, the app of Red Eléctrica de España, which allows you to know, in real time, the situation of the electricity system through a set of indicators of the system operation. You can choose between two user profiles: a “consumer” profile that allows you to become an active player in the energy transition, as consumer and self-consumer; and a “professional” profile where you will find extended information on generation, demand, prices and exchanges to be always informed on the current situation of the electricity system. You can find the following information categories: • Electricity demand. • Generation. • CO2 emissions. • Installed power. • Electricity exchanges. • Wholesale prices. • Retail prices.

Tip Calculator is the fastest and simplest way to calculate tips and split bills. Designed for clarity and speed, it gives you instant results the moment you enter your total. No clutter, no ads, and no unnecessary screens — just clean, effortless calculation. Whether you’re dining out, traveling, or splitting the check with friends, this app makes the math disappear so you can focus on the moment. Why You’ll Love It • Instant results: Just enter the bill total and number of people — the app calculates everything automatically. • Clean design: A minimalist, modern interface that feels smooth and natural. • Effortless tip control: Quickly adjust the tip percentage to match local customs or personal preference. • Smart splitting: Divide the total evenly among any number of people in one tap. • Rounding options: Round totals or per-person amounts to keep payments simple. • Always fast: No login, no account creation, and no slow screens. • Private by design: No data collection and no tracking. Everything stays on your device. Made for Everyday Use Tip Calculator is designed to be the tool you reach for when you’re out at a restaurant, paying at a café, or traveling abroad. It works in seconds and never gets in your way. Perfect For • Dining out alone or with friends • Quick business lunches • Travel and international tipping • Splitting bills in groups • Anyone who wants a clean, modern, no-nonsense tool Simple. Fast. Effortless. Enter the total, choose the number of people, and you’re done. The easiest tip calculator you’ll ever use.