[creshal]

No, it's a generic android keyboard and works with all apps. But you need a keyboard like it (arrow keys, ctrl, etc.) for termux to not be a total PITA to use.

(Android has full physical keyboard support, so with it you can use Ctrl+A/Ctrl+X/Ctrl+V in all input fields. Usually a lot faster than fumbling with the touch equivalents that keep randomly bugging out…)

[Grimblewald]

To add to this you can define custom keyboards quite easily for just about any unicode character you can imagine and more. It is an extremely underrated keyboard. It doesn't come with autocorrect built in though, but i barely notice. The privacy it offers is a nice touch, and its functionality unmatched.