One software license is required per developer.
Runtime Royalty Free.

Available as a 1 year or 2 years Subscription License

The subscription license includes:

• 12 months of free upgrades including major version releases.
• Includes license for all platforms: Ext.NET MVC, WebForms, Mobile.
• 24 hour forum monitoring.
• Priority access to pre-releases.
• Standard 12 months of Premium support with option to extend.
• Max 1 business day response time for any issues.
• Priority bug fixes and emergency hot‑fixes.