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It's the only calculator with the customizations like this. And it's difficult to even create the calculators. You will need a developer to create multiple calculators. There are a few bugs that prevent calculators from being duplicated accurately and or using more than 1, and in turn requires a lot of cleanup after the fact. We have spent over 12 hours in this app and only 1 working calculator. The majority of the time is spent cleaning things up, from the template installs.

Their support has been helpful but in the end we have spent over $500 and still only 1 working calculator.

If you are a business owner thinking you can setup this up, wrong. You will need likely access to the $120 plan then pay for a template and then to pay a developer to create the calculator. Think $1000 minimum just to get up and running if you have a dozen or two calculators.