Onion Browser is the most distinct alternative to Cake Browser because it’s built around Tor rather than a traditional VPN model. For higher-stakes privacy situations, Tor’s routing and anonymity properties can be a better fit than a browser that primarily markets a simple VPN toggle.
It’s particularly useful on iOS for people who need an anonymity-focused browser for sensitive research, whistleblowing contexts, or navigating restrictive networks. That focus makes it less about everyday speed and more about minimizing traceability.
The trade-offs are inherent to Tor: browsing can be slower, some websites may challenge or block Tor traffic, and the experience is more utilitarian than “slick.” If anonymity and censorship resistance are the priority, Onion Browser is purpose-built for that job in a way general-purpose browsers aren’t.