‎Internet Web Browser Quiche
apps.apple.com
‎THE MOST CUSTOMIZABLE BROWSER Create your perfect browsing experience, from feature-packed toolbars to minimalist designs that maximize webpage space. • Personalize the toolbar by selecting the buttons you use most frequently. Optimize button placement and order for easy one-handed navigation, or i…

I’ve been using this on my iPhone for a bit (it’s free)

I really like being able to completely customize the address bar and items on it, as well as the main menu items, and the URL menu/contextual menu (the thing that appears when you hold down on a link)

there’s an iPad version available too via TestFlight

His product homepage: https://quiche.works/browser