When comparing Keyboard designer vs Hacker's Keyboard, the Slant community recommends Hacker's Keyboard for most people. In the question“What are the best Android soft keyboards?” Hacker's Keyboard is ranked 6th while Keyboard designer is ranked 10th. The most important reason people chose Hacker's Keyboard is:
Hacker's Keyboard is an open source project meaning that anyone can use the available code for free.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro You can create your own keyboard or adjust the existing one to your needs
You have got a lot of options to define the design of the keyboard, you can define your own functions, move keys, use any character that is available in Android (unicode)!
Pro It does not request critical permissions
Many keyboard request the permission to access the network - this keyboard does not
Pro Export or import with extended design package
If you purchase the extended design package within the app, you can even share the keyboard to your friends or back it up!
Pro Open source
Hacker's Keyboard is an open source project meaning that anyone can use the available code for free.
Pro Supports a lot of keyboard layouts and dictionaries
Hacker's Keyboard support 31 different languages and many different layouts such as AZERTY and QWERTZ.
Pro Mimics the look of a desktop keyboard
Including punctuation, arrow keys, special chars (tab, esc), etc.
Also gives access to Ctrl, Shift, etc. Particularly suited to terminal applications.
Cons
Con Poor auto correction
The auto correction on Hacker's Keyboard does not work that great, especially when compared to other offerings on Android.