CleverDel

CleverDel is a free keyboard supplying an extended deletion mechanism:
remove from text exactly last word typed or last sentence or even whole text with a single press of a button!
If you suddenly regret erasing such large portions of text - there's also an undo button.

Besides that, CleverDel keyboard is a rich container of features:
It holds 4 languages built in (English, Spanish, French, German) plus word suggestion tool for each of the four. Also included are 5 cool color themes. You may switch among all of these instantly within the keyboard itself.
Landscape mode is supported as well as emojis, auto period, caps lock and auto capitalization.

Art Credit: App's landing page keyboard photo by Negative Space (https://www.pexels.com/@negativespace)

FULL PRIVACY:
No saving of key strokes on device nor on server. As you exit app, all data is gone. Full privacy - that's a guarantee!
No registration or email are needed.