Premium HTML Contact Form Plugin:-

Unlimited installation licence, Just $9/-

Advantages of Pro Version :- 

• You can change “To Email”.
• You can add multiple “To Emails”  by comma (Eg: admin@htmlcontactform.com, info@htmlcontactform).
• Premium support.
• Unlimited installation licence per user.
• You can use pro version on unlimited websites.
• You can change error messages (admin section)