While iOS does not officially support changing the system-wide font, you can download and install custom Bangla fonts

But you still couldn't install your own fonts. If you wanted a beautiful, handcrafted Bangla font like Kalpurush or Mukti , you were out of luck. Designers and publishers who needed specific typography for books or branding were forced to stick with Android or Windows phones.

This monograph explains how Bangla (Bengali) fonts work on iOS devices, options for obtaining and installing Bangla fonts, compatibility and licensing considerations, and practical tips for developers and end users.

One humid afternoon, Ariful decided it was time for a change. He began his quest to download and install custom Bangla fonts on his iOS device, a journey that would lead him through a maze of technical hurdles and creative discoveries. The Search for the Perfect Script