Currently, no lesson contains every kanji supported by Ringotan.  We should create one that does.

Before trying this app, I'd been learning in school grade order. But that wasn't listed. I tried a few of the listed learning methods in the startup wizard, but all of them seem to make me put in a mix of kanji I do and don't know in the same basket. 

I wish I could write whatever I want, undoing any mistakes, and explicitly say when I'm done. It would feel a lot more natural and akin to using a pencil and eraser that way vs getting blasted with "Wrong!" and given the answer the moment my hesitation makes me mess up. Plus, if I try to draw a second stroke after my "wrong" one, it immediately skips me to the next question, which feels weird to me. 

This has previously been requested but I think has been misunderstood on what's being asked. While your app does automatically back up it's progress from a database perspective, it does not currently share this database across separate devices. This is something that needs to be explicitly setup.  As an example, I currently have your app running on both an iPhone and an iPad. Any progress made on the iPhone is not actively synchronized to the app instance on the iPad. The cloud sync that you currently have is simply maintaining a backup of the app in the case of needing

Hello,

I'm wondering if sync support (icloud or any other way) is a planned feature.

I'm considering buying an iPad with an Apple Pencil for more precise drawing, but I would still want to sync the progress with my iPhone since I take it with me much more often.

I tried an Adonit Dash 4 active pencil on my iPhone but up to 5% of the strokes aren't accurately detected which is pretty annoying for the Ringotan usecase.

I suggest making an account system, a simple one to log-in via e-mail and pass.

Since ringotan will become paid figure something out so only one free account per ip for example or something and so on.. This will help save progress if a device is lost.

Please consider adding an option to add custom kanji decks rather than only providing the preset decks to study from. I would like to be able to export kanji learned through jpdb.io through their api and be able to study them in Ringotan. Ideally, this import would be done automatically by interfacing with a Ringotan api but any functionality for custom decks would be extremely useful. If there isn't a planned api for Ringotan, a simple interface where the user would paste all kanji to be included in the custom deck would work. Alternatively, Ringotan could read from a text

Eg. should be able to select a bunch at once and marked them as "known" or "unknown"