Top 10 differences between Alpha and Beta Testing

Alpha Testing	Beta Testing
It is conducted at developer’s site by developer or tester or end user	It is conducted by the end user (customer) or third party testers know as Beta testers at their site
Developer is performed in presence of developers	It is performed in absence of developers
It is conducted in Virtual environment	It is conducted in Real time environment
It is a combination of both white box and Black box testing	It is a completely a Black box testing
It is performed within the developing organization	It is performed outside the developing organization
It is known as User Acceptance Testing (UAT) at developers site	It is known as User Acceptance Testing (UAT) at customers site or Field Testing
It is not open to market and public	It is always open to market and public
It is the final testing within the development company before it is delivered to the customer	The application is tested for the first time within the customer’s environment when it is delivered and deployed
Any defects found during this testing, the same can be rectified immediately as the application is not yet delivered to customer	Immediate defect rectification is not possible