There is not much learning material here and that is the correct amount. You install it, you pick a hotkey, you speak, and cleaned up text appears wherever your cursor is. The docs cover setup, the hotkey, a few app specific quirks, and stop. I would rather have twenty honest minutes than a manufactured course, and it is refreshing that a company with a genuinely good product resisted the urge to package a certification around it.
The cleanup is the whole thing. Ordinary speech is full of restarts, ums, self corrections and abandoned clauses, and raw transcription of it is unreadable. Wispr strips that out and produces something that reads as if it were written, which is a much harder problem than transcription and the reason this is worth paying for when your operating system already dictates for free. The guidance on speaking naturally rather than dictating stiffly is the single most useful tip in the material, and it is correct.
Where the material is silent is on when not to use it, and I think that omission matters more than it appears. Dictation is excellent for messages, notes, first drafts, replies, anything where getting thought into text quickly is the goal. It is noticeably worse for writing that needs structure, because speaking is linear and you cannot see the shape of what you are making. Dictated long form tends to ramble, repeat itself and bury the point three paragraphs in, and no amount of filler removal fixes that.
Anyone adopting this for serious writing should know they are trading structure for speed, and the material never raises it. Accuracy on ordinary conversational English is very good. Accuracy on technical vocabulary, product names, unusual proper nouns and anything resembling code is not, and if your work is full of those you will spend real time correcting. The docs mention custom dictionaries without conveying how much of the experience depends on populating one, and setting that up early would save new users a poor first week.
Privacy gets a shorter treatment than a permanently available microphone deserves. The controls exist and the policies are reasonable, but the material discusses them as a settings page rather than as something you should think about before switching it on in an office, on a call, or anywhere a colleague is speaking. That is a conversation the docs should lead with rather than file away. The free tier is enough to know whether you like it and not enough to use it for a working week, which is standard and worth knowing before you build a habit on it.
Three point seven. A tool that does one thing extremely well with documentation that respects your time, marked down only for never mentioning that speaking your writing changes what the writing turns out to be.