Unfortunately the website haven’t been updated for a while since we’ve been quite busy, although the app itself has been updated frequently.
Version 1.2.0 is currently available for download.
Since King Calculator 0.9.x to the current v1.2.0 release the following major changes have been introduced.
Number formatting added
History improved drastically
Display size can be changed
Material Design added
Big numbers support added
Result can be displayed as a fraction
Fractions can be converted to improper fractions
We’ve also open a subreddit for the app, it’s probably the best way to contact the team.