Yes it is free to use. But account will be blocked if we detect any misuse of the service
Form data that you send to us is forwarded to your email. We don't store any data from your forms.
Yes, we will not share your information with anyone. We use your email to send data submitted from your form to your email. We may contact you if required to inform you against any updates to the service.
StaticFroms is developed using serverless stack so the cost is almost nill if not free. We use Zeit (Now) for front end and AWS serverless stack for backend. We also have support from our sponsor Qualascend :)