Life & fun · alternatives · 2026

24 alternatives to Rikaikun
Read Japanese in-line in Chrome (sweet!)
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Rikaikun launched in 2017; newer entries below may have overtaken it.
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Browser addons: Mouse over Japanese to view its translation.
2016 · addons.mozilla.org · its alternatives →
- 3
Taptaro▲130Tap. Learn. Repeat. 450+ free Japanese words and phrases
2017 · taptaro.co · its alternatives →
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Toku Reader▲111Read & listen to native Japanese and Chinese, tap any word
Jul 2026 · apps.apple.com · its alternatives →
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JapaneseTab▲144Learn Japanese with every new tab
2019 · chromewebstore.google.com · its alternatives →
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Hi HN, Just wanted to share a tool i've been working on to help with my own study routine. It’s a browser extension called Lingoku. The idea is simple: we spend hours browsing the web in English every day. This tool replaces some of the english words with Japanese vocabulary based on your japanese level (Similar to Toucan, but with a better user experience). It’s basically an attempt to make the "i+1" method actually passive, you understand the sentence because it's mostly english, but you pick up Japanese words naturally from the context. It uses an LLM in the backend to make sure the…
Dec 2025 · lingoku.ai · its alternatives →
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LanGo▲140Learn Japanese with 1000 phrases and smart flashcards
2016 · apps.apple.com · its alternatives →
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Translate manga, scans or images with the power of AI
2022 · scan-translator.com · its alternatives →
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Learn Japanese with 1000 phrases and intelligent flashcards
2016 · ling-app.com · its alternatives →
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Free Spitz-type speed reader for Chrome
2015 · chromewebstore.google.com · its alternatives →
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Kaomoji for Mac▲170Get ¯\_(ツ)_/¯ and other kaomojis right from your menu bar
2017 · return.github.io · its alternatives →
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One-click copy and paste kawaii Kaomoji: Japanese emoticons
2016 · jemoticons.com · its alternatives →
- 15

I quit my job last year and worked mostly on this full SwiftUI rewrite of my Japanese reading app, Manabi Reader. The rewrite gave me the opportunity to expand to macOS (and without Catalyst so it feels extra native) and redo the data layer to be offline-first via Realm with iCloud sync. The biggest differentiators compared with other language study apps are that it tracks every word/kanji you read so that you can see how much of a given webpage/article you're already familiar with and other features/analytics built on that foundation; it automatically builds a personal corpus…
2023 · reader.manabi.io · its alternatives →
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SHIUI▲114Hinomaru Ink Web UI Kit in Japanese Hinomaru style
Sep 2026 · shi-ui.vercel.app · its alternatives →
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Discovering the Land of Manga, Anime, Zen, and the Tea
2015 · amazon.com · its alternatives →
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A Japanese guide to learning Japanese grammar
2015 · apps.apple.com · its alternatives →
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- 24TTori▲84
Japanese listening practice built from your own sentences
18d ago · play.google.com · 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 →