Work · alternatives · 2026

24 alternatives to Kaku

Japanese notebook app

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Kaku launched in 2020; newer entries below may have overtaken it.

1
Notebook for Web▲224
The beautifully simple note-taking app. Now on the Web.
2017 · its alternatives →
2
AI Notebook App▲396
AI-powered second brain🧠
2024 · hynote.ai · its alternatives →
3
Notebook for Mac▲340
The beautifully simple note-taking app from Zoho. Now on Mac
2017 · its alternatives →
4
Notebook▲251
The beautifully simple note-taking app
2016 · its alternatives →
5
Notebook.ai▲255
A smart notebook that grows and collaborates with you
2016 · its alternatives →
6
Clover V1▲300
The notes app with built-in whiteboarding, tasks, & planner
2022 · its alternatives →
7
Japanese Writing & Speaking▲14
Japanese Writing & Speaking App
Nov 2025 · play.google.com · its alternatives →
8
Kraa 1.0▲359
The writing app for everything
Dec 2025 · kraa.io · its alternatives →
9
Kaku▲5
Write Japanese with confidence.
Jul 2026 · kaku.pro · its alternatives →
10
Notebook for Windows▲129
The beautifully simple note-taking app, now on Windows.
2019 · its alternatives →
11
Katalog▲420
Talk to your reading list
2025 · usekatalog.com · its alternatives →
12
Yana▲67
Powerful & organizable note-taking app with lots of features
2020 · its alternatives →
13
Kiroku▲94
Blazingly fast, AI-assisted note-taking for dentists 🦷
2020 · its alternatives →
14
Kana Words▲76
Study Japanese hiragana and katakana with this simply game
2023 · its alternatives →
15
Muse▲252
Turn your iPad into a tool for thought.
2020 · its alternatives →
16AF
App for learning how to write Japanese▲55
I'm a long time lurker that recently quit my job to work on my own projects, a lot due to the inspiration from Hacker News. Now I have published my first serious project, an app for learning how to write Japanese characters. It's the app I always wanted but couldn't find when I was studying. It tries to be simple to use, you just start the quiz and go with the flow. There's no need to plan and manage your studies, and it uses spaced repetition for better retention. There's a promo page with more details up at http://www.kanjibyhand.com. It's only for Android so far. The free version includes…
2012 · its alternatives →
17
A Japanese learning app focused on efficient vocab/grammar acquisition▲161
Hey HN, it’s been 8 years since I posted on here about the launch of my Japanese dictionary app Nihongo [0] and I’m finally back with a new app: Nihongo Lessons! Think of Nihongo Lessons as the textbook to Nihongo’s dictionary. It’s an app for learning Japanese, specifically made for learners who are serious about becoming fluent, and want a guided set of content that will help them efficiently acquire vocabulary and grammar. The project came about when Adam Shapiro of Japanese Level Up (Jalup) [1] announced last April that he was shutting Jalup down. As a fan of Adam’s work I was bummed to…
2022 · lessons.nihongo-app.com · its alternatives →
18DA
Duck, a chat-based note app for your knowledge base▲88
2023 · site.ducknote.app · its alternatives →
19
Notebag▲298
A keyboard-focused note-taking app that gets out of your way
2020 · its alternatives →
20
Magic Notebook▲82
A calm writing app with no complexity and no AI
May 2026 · magic-notebook.com · its alternatives →
21
Guitar Notebook▲77
Capture your song ideas with notation, lyrics, and audio
2021 · its alternatives →
22
NotezAI▲218
AI powered note taking app
2024 · its alternatives →
23
KanaSensei▲106
Read Japanese kana in two weeks
19d ago · kanasensei.dev · its alternatives →
24
UpNote▲161
The most pleasant app for writing and organizing notes
2020 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →