uCalc - uCalc is a universal builder of forms and calculators.
CALCONIC_ - Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.
ConvertCalculator - Create powerful, beautiful Calculator forms
InteractiveCalculator - Create beautiful calculator forms and help your website visitors get price estimates or make their...
Calcapp - Build apps instead of spreadsheets
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.