Is there a software less clunky than Anki out there with similar functionality?
I think Anki is a great tool, but I think there are so many aspects of it that can be improved, so I decided to write my own app.
I'm hoping to refine the SRS algorithm, lesson UI, and card layout over time as I get input from folks about what works and what doesn't. I think there's a lot of potential for improvement in this space if someone devotes some time to it.
Is iOS/MacOS only? Any chance it's going to be open-sourced?
I don't have plans of open-sourcing this.
I'm sure you've heard of it, but not sure people realize how mature it is and sick its internal design is, which allows writing native beautiful UI apps for iOS/Android/Desktop and web from the single codebase. While desktop and web support is still in dev/beta state, I successfully use it in production already and it's total game changer in terms of productivity and fun to code.
SRS app like yours will work on all 6 platforms with near-native performance (web might be a bit slower, but will produce pixel-by-pixel same UI as mobile/desktop) and I don't see any obstacles.
It's not like my backlog is not overloaded, but I would love to join a project if there is a chance to contribute. I want great SRS too badly for too long :)
The main thing I do differently, however, is I attempt to predict your retention score instead of having you self-report it. Unlike Anki where you choose how well you were able to recall the answer (essentially a score from 1 to 5), I use a combination of your CORRECT/INCORRECT signal as well as how quickly you reveal the answer to determine a recall score.
From my own testing, it works reasonably well, although there's room for improvement over time.
I strive to keep the app as easy to use as possible.
You can customize the intervals yourself per deck to adjust for the subject (e.g. vocabulary cards with only one word per card probably can have longer intervals than, let's say, an anatomy card with details about a muscle, bone or nerve).