We do not have a current timeline for full launch of the iOS keyboard. The betas last for up to 90 days, but you should receive a notification to install the latest versions when it’s available.
J.D., our CEO, addressed the status of the mobile version here:
This is your space to ask questions, find support, and share ideas with fellow TextExpander users and our product team. As a first step, take a moment to introduce yourself to the community.