The Apple Pencil’s hover state opens a slick possibility: an app could detect the pencil approaching and preview the next stroke before you draw it. It sounds like a helpful, futuristic feature. For learning to write, though, it is one of those ideas that quietly does the very work you are supposed to be doing. Here is the honest case for caution.
What hover-to-preview would do
The feature would show you, as you hover, where and how to make the next stroke, so you always know what comes next before committing. No guessing, no errors. On the surface, that is appealing: smooth, guided, error-free writing.
But “error-free because you are shown the answer” is exactly the problem.
Why previewing undermines recall
Learning to write a character means producing it from memory, reconstructing each stroke yourself. That is recall, and the effort of it is what builds the skill, see the case for a dedicated Hanzi writing app. A hover preview removes that effort: instead of recalling the next stroke, you follow the one shown. That turns recall into tracing, the weaker form of practice, see daily writing streaks beyond tracing.
Worse, it creates dependence. If the preview is always there, your hand learns to rely on it, and remove it, on paper, in real life, and the support is gone. This is the same crutch dynamic we describe for color-coding radicals and haptic wrong-stroke feedback: immediate guidance feels helpful while quietly preventing the recall it should be building.
When a hint is fine
None of this means previews are evil. As an optional hint, when you are genuinely stuck and would otherwise give up, briefly seeing the next stroke can keep you moving. The key is that it is occasional and chosen, not the default. A hint you reach for when stuck is support; a preview that is always on is a substitute for learning.
So the design question is not “can hover show the stroke,” but “is the default to produce or to follow.” For learning, the default must be to produce.
Where Hanzi Write Practice fits, honestly
Hanzi Write Practice does not preview strokes on hover. Its model is to have you produce the character from memory first, then check the correct stroke order and form afterward, which preserves the recall effort that builds writing. A hint is there when you are truly stuck, but the design deliberately keeps you producing, not following, the blind drawing principle.
A hover preview is a neat use of the hardware. Just remember that for learning to write, being shown the stroke is the opposite of practising it.
Join early access and practise producing strokes, not previewing them.