The best alternatives to HERO Keyboard are LiveChat, Typewise, and Nums. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of HERO Keyboard?
Tanka— Tanka = Slack + Glean, built for fast-growing startups.
Boosting productivity 2-3x with text prediction software. Available as enterprise solution and API for developers. Previously built keyboard app for iOS and Android users.