Bootstrapping maintains full ownership and control but growth is likely to be limited because personal or internal funds have to be used. The right choice is quite a matter of the financial status, the stage of business growth, and their respective goals.
Equity financing sells shares in the company to investors, which can be through angel investors and venture capitalists or even crowdsourcing. This gives investors a stake in the company and the potential to make decisions. Equity financing is a right option if you wish to balance the benefits that result from external funding and expertise