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Alternatives

Products that do what ZISTICA MOJIIQ does

AI Japanese grammar checker that works where you type

  1. 1
    Gramara273

    AI grammar correction

    2020

  2. 2
    Douzo127

    Free Japanese typing practice organized by JLPT level

    Mar 2026

  3. 3

    Grammar check and rewriting in 6 languages

    2023

  4. 4
    RiteBot409

    Paraphraser, grammar checker, summariser powered by ChatGPT

    2023

  5. 5

    Write flawless English with AI, no subscriptions, offline

    2024

  6. 6

    Grammar checker based on deep learning

    2016

  7. 7GL

    Hey HN, I wanted a grammar checker that didn’t send my writing to someone's servers, so we built Grammit, a Chrome extension that runs grammar checks locally using an LLM. Your text never leaves your computer during checking. Here’s a 2-minute overview: https://www.loom.com/share/baf501ee6cf14a919a7384128246ed67 Because it uses an LLM, it catches more than spelling and grammar. For example, it can correct some wrong statements like “The first US president was Benjamin Franklin.” Grammit also includes an in-page writing assistant that can rephrase or draft new text. It…

    2025 · chromewebstore.google.com

  8. 8

    AI writing assistant for Mac

    2025

  9. 9

    Clear, effective, mistake-free writing everywhere you type.

    2014

  10. 10AJ

    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

  11. 11

    Check grammar in real-time in your favorite apps

    2021

  12. 12
    Fujiyama192

    Practice natural Japanese conversation in real-time with AI

    2024

  13. 13LJ

    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

  14. 14NS
  15. 15AF

    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

  16. 16

    Take your business communication to a new level

    2020

  17. 17

    Instant spell, grammar & punctuation fixer online

    Jul 2026 · globaltoolsbox.online

  18. 18

    Write it once, perfect it fast.

    2025

  19. 19

    The missing tool for learning Japanese

    Mar 2026

  20. 20

    Spelling and grammar correction embedded on your website

    2019

  21. 21

    AI-powered grammar checker with an API

    2018

  22. 22

    AI anywhere you type. 10x your productivity

    Feb 2026

  23. 23

    See if Japanese AI search recommends your brand

    Jun 2026 · japanly.app

  24. 24
    Kanaji95

    Learn Japanese Kanji

    Nov 2025

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