Whether you're building your first app, expanding a product offering, or evaluating a pitch, knowing what it costs to build a mobile, web, wearable or desktop app shouldn't be complicated. In the App Estimator, you'll answer 10 simple questions and the system will tally your estimated costs. When you're finished, you'll get a final estimate for what your app might cost to build. Best of all, the App Estimator is free to use, as often as you like.