ScreenLines vs Calculator.io

ScreenLines helps you apply screen protectors with perfect precision! Simply launch the app and it transforms your screen into a handy alignment template with a white guideline around the edges. Follow the line during installation, and your screen protector will go on perfectly. HOW IT WORKS: - Start installation mode — a thin white line appears around your screen edges - Position your screen protector so the line stays inside its borders - Done! Your screen protector is perfectly aligned WE'VE GOT YOU COVERED: - Step-by-step instructions for beginners - Tutorial video with examples - Solutions to common problems - Preparation tips and tricks YOUR SAVINGS: Repair shop installation: $15-60 per visit With our app: free Annual savings: up to $300 WHY YOU'LL LOVE IT: - Results as good as the pros - Save money and time - Easy even if you've never done it before - Works with all modern iPhones and iPads - Completely free HANDY FEATURES: - Works with any iPhone and iPad model - Guidelines perfectly sized for your screen - Keeps your screen awake during installation Installing a screen protector straight is now simple! Try ScreenLines and see for yourself. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Calculator.io puts 176 calculators in your pocket — the same tools millions of people use on calculator.io every month, rebuilt as an app whose calculators work with no connection at all. No account, no sign-up. Open a calculator and get an answer. MATH — 61 tools Fractions, percentages, ratios, exponents, roots, logarithms, quadratic equations, matrices, prime factors, GCF and LCM, scientific notation, rounding, long division and a full scientific calculator. FINANCE — 41 tools Mortgage payments and amortization schedules, loans, auto loans, refinance, APR, compound interest, savings, retirement and 401(k), salary and hourly pay, VAT and sales tax, tips, discounts, currency and unit conversions. HEALTH & FITNESS — 21 tools BMI, body fat, calories, TDEE and macros, ideal weight, BMR, pregnancy and due dates, ovulation, heart rate zones, pace and water intake. TIME & DATE — 18 tools Date difference, add or subtract days, age, business days, time duration, hours and minutes, time zones, countdowns, timers, alarms and a metronome. STATISTICS — 15 tools Mean, median and mode, standard deviation, variance, probability, permutations and combinations, confidence intervals, z-score, correlation and sample size. MISCELLANEOUS — 20 tools Unit and length conversions, fuel economy, concrete and paint estimates, tile and roofing, grades and GPA, dice, random numbers and more. WHY IT FEELS DIFFERENT Built for one hand. Every numeric field opens a keypad made for calculators, not the system keyboard: the keys you actually need, a field-to-field walk, and a Calculate button that is always where your thumb is. Answers you can read. Results come with the numbers that matter — schedules, breakdowns and charts — not a single figure with no context. Works offline. Every calculator, every formula and every page ships inside the app, so on a plane, in a basement or abroad with no data, it all still works. 28 languages. English, Spanish, Portuguese, French, German, Italian, Dutch, Polish, Russian, Ukrainian, Turkish, Arabic, Persian, Hindi, Bengali, Urdu, Indonesian, Malay, Thai, Vietnamese, Filipino, Japanese, Korean, Chinese, Swedish, Norwegian, Danish and Swahili — with full right-to-left layout where it belongs. The app follows your phone's language, or you can pick one yourself. Save what you use. Bookmark the calculators you come back to; recents are one tap away on the home screen. Light and dark, metric and imperial, and a layout that respects Dynamic Type. Calculator.io is free. If a tool you need is missing, tell us — the list keeps growing.