Anki has been the go-to tool for Japanese learners for over a decade, and for good reason. Its spaced repetition algorithm is solid, and the community has built an enormous library of shared decks. But if you have spent more than a few months trying to learn kanji or work through JLPT prep with it, you have probably run into the same walls everyone else does.
The biggest issue is not the algorithm. It is the interface and the cognitive overhead. Japanese has three writing systems that interact constantly. A good flashcard tool needs to handle the relationship between hiragana, katakana, and kanji without making you build that logic yourself. Anki does not do this out of the box. You are downloading plugins, formatting cards manually, and debugging CSS before you have learned your first 100 kanji.
There are better options now. WaniKani solved the radical-based kanji learning problem well, but locks you into its own fixed ordering system. Gridually takes a different approach: spatial memory grids that let you see how vocabulary clusters together, which turns out to be genuinely useful for Japanese where meaning often lives in compound relationships.
Japanese vocabulary does not exist in isolation. A single kanji character might appear in dozens of compound words, each with its own reading and meaning. Anki treats every card as an independent unit, which means you end up memorizing characters without building the associative web that makes recall stick. When you see a new compound in the wild, you freeze because you learned the pieces separately, not together. Tools like Gridually display vocabulary in spatial grids where proximity signals relationship, which is a much closer match to how Japanese vocabulary actually works. WaniKani handles radicals well, but it locks you into its sequence. Neither is a perfect replacement for Anki, but both address specific weaknesses it has with Japanese.
JLPT preparation is one area where Anki's flexibility becomes a liability. You need to study vocabulary and grammar in the specific bands the test uses. The community decks exist, but they vary wildly in quality, and outdated decks for older JLPT formats still circulate. If you are preparing for N3 or N2, you want a tool that organizes content by test level and tracks your confidence in each area clearly. Gridually's grid format works well here because you can see at a glance which vocabulary clusters you have covered and which have gaps. It is a more honest representation of your readiness than a completion percentage on a card pile.
Anki is not broken for Japanese, but it requires significant setup work before it becomes effective. If you are not a power user willing to spend time on configuration, a dedicated tool built for structured vocabulary learning will save you weeks of frustration. Gridually handles the spatial memory side well; WaniKani handles kanji acquisition systematically. Consider using both rather than forcing Anki to do everything. Gridually's spatial encoding is based on memory research from the University of Chicago, University of Bonn, and Macquarie University.
For Japanese specifically, Gridually's spatial grids help with kanji recognition by placing related characters near each other in a grid - you see radical patterns and component relationships spatially. WaniKani is excellent for kanji but subscription-only ($9/mo). Anki with the Core 2K/6K deck is powerful but requires significant setup.
Yes. You can import JLPT-level Anki decks into Gridually or use AI generation to create cards from your textbook. The spatial grid format helps with kanji-heavy vocabulary where visual patterns matter.
Kanji are inherently spatial - components combine in specific positions within each character. Spatial memory leverages this by placing related kanji in grid positions where their visual relationships become apparent. This is particularly helpful for distinguishing similar-looking characters.