Markulator vs DealFlip

Markulator makes tipping simple. Enter your bill, pick a tip percentage, and get your total instantly. Splitting with friends? Just set the number of people and see what everyone owes. Features: - Quick tip presets at 10%, 15%, 18%, 20%, and 25% - Custom tip percentage for any amount - Bill splitting for up to 30 people - Calculation history so you never lose track - Works with your local currency automatically - Available in 54 languages - Clean, intuitive design that just works No ads. No subscriptions. No account required. Just open the app and calculate.

DealFlip takes the guesswork out of wholesale real estate offers. Enter the After Repair Value (ARV), square footage, and rehab level — and DealFlip instantly calculates the offer range any serious investor will pay using the proven 70-75% ARV rule. PERFECT FOR REAL ESTATE AGENTS If you work with distressed properties or cash buyers, DealFlip helps you quickly evaluate deals and have informed conversations with investors before you ever pick up the phone. HOW IT WORKS - Enter the property's After Repair Value (ARV) - Input square footage - Select rehab level: Light, Medium, Heavy, or Luxury - Instantly see the investor's offer range - Add an asking price to see if the deal pencils THE MATH IS TRANSPARENT DealFlip shows you every step of the calculation — so you understand exactly why investors offer what they offer. No black box. No confusion. Built by DOXA Property Ventures — active investors in the DMV market.