I tried it for a while but gave up. It may be possible to get up to the typing speed of a regular keyboard, but it's main purpose is to be less error prone than a more traditional touchscreen keyboard. Gboard and others use autocorrect to make up for how easy it is to misclick, but that requires large libraries and (in Gboard's case) telemetry/data collection. Thumb-key's advantage is it's simplicity. It doesnt need autocorrect or predictive typing, because the buttons are large and the gestures are well defined and distinct. You should very rarely accidentally type the wrong character once you're used to it. I never got over that hump, but I'm sure some others have and enjoy typing without looking like we used to be able to do on physical keypads.
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Yes I've been using it in some form for about 15 years - FYI it originally started as the MessagEase keyboard; Thumb-Key is an open source replacement (maintained by none-other than Dessalines of Lemmy), so I was using MessagEase for most of that time but Thumb-Key can replicate its layout.
The reason I chose it is because I use Dvorak on desktop, but Dvorak is notoriously bad for one thumb typing so I thought if I was going to learn a new layout I may as well learn something that's optimised for one thumb. As for whether it's faster, I have nothing to really compare it to, I'm not anywhere near as fast as on my physical Dvorak keyboard (which I use significantly more) but I've never used anything else on touch screen.
I tried the layouts of thumbkey, it didn't click, so I made a private fork that gives you roughly the same positions as on a qwerty (in my case localised german qwerty with umlauts). I'm slower than on normal keyboards, but that doesn't matter, as the display of my phone is absurdly small (3 inch unihertz jelly star).
my "mod" was built years ago, and since then lots of things have changed in the thumb key codebase. I should really update and redo my keyboard layout
Yeah I also struggle with the layouts. I feel like they are not optimal for German, even the German layout. Most of the letters that often come in pairs like mm or ll are locked behind swipe gestures, which makes it really hard to type them fast. I get, why the most common letters are in the top layer, but I think swiping twice the same letter takes so much more time than swiping a common letter once... Maybe I have to adjust it a little. As far as I understand it is possible to edit the layouts in the app.
In that case, I attached you a screenshot of my personal layout. I tried optimizing for
- roughly qwertz positions to easen learning curve
- most common german monograms, bigrams and some trigrams (confer how you'd input "sch" with a very quick diagonal tap tap swipe gesture with only one change in one dimension, staying on one axis)
- keeping ergonomics in mind, optimized for right hand use and positioning more common letters with more easy to execute gestures, and having as few out of bounds gestures as possible
- not ignoring english completely
I really should update my thumb key
Thank you for sharing your layout. It was a good starting point. I changed some things arond a bit and arrived at the following layout. I find it good for writing in german, but in english there are still some challenges like ou or oo that are kind of slow...
