Work · alternatives · 2026

24 alternatives to Karenina IO: Polyglot AI Grammar Checker

AI proofreader for Spanish English French Chinese Japanese..

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

1
AI Grammar Checker & Rewriter for Figma▲338
Grammar check and rewriting in 6 languages
2023 · figma.com · its alternatives →
2
Gramara▲273
AI grammar correction
2020 · gramara.com · its alternatives →
3
Lingoedit 2.0▲445
Simplify translation and editing: your AI language companion
2024 · its alternatives →
4
Fluent 2.0▲225
An AI language tutor in your browser
2023 · fluent.co · its alternatives →
5
Oyomi▲83
Machine learning based Japanese reader & grammar analyzer
2023 · apps.apple.com · its alternatives →
6
Polyglot AI▲74
Practice a foreign language with a chatbot
2021 · polyglotchatbot.com · its alternatives →
7
GrammarBot▲183
Write flawless English with AI, no subscriptions, offline
2024 · grammarbot.app · its alternatives →
8
Fluently▲87
AI subtitles & translations for YouTube. 20+ Languages.
Apr 2026 · usefluently.app · its alternatives →
9
Engram▲97
AI-powered proofreader optimized for non-native speakers
2023 · its alternatives →
10IB
I built an AI language teacher to get you speaking▲82
Hello Hacker News, When learning foreign languages, I made the most progress by speaking them throughout the day, every day. So I made a site where you can *speak* to an AI language teacher to practice both listening and speaking. # The product *What I have now:* * Multilingual speech recognition: You can ask a question in English and get an answer in your target language. * Feedback on your grammar. * Suggestions: See examples of what to say next to keep the conversation flowing. * Speed: Choose a lower speed for beginners or a faster one for advanced levels. * Translations: Click to see a…
2023 · gliglish.com · its alternatives →
11
Shisa.AI▲110
Open-source foundation for superior Japanese LLMs
2025 · shisa.ai · its alternatives →
12
Correct My Grammar▲77
AI based tool to correct your grammar & rephrase sentences
2023 · its alternatives →
13
AI Rewrite & Spell Checker for Miro▲34
AI magic for Miro: perfect grammar, enhanced creativity
2023 · miro.com · its alternatives →
14
Krammar▲93
Your Grammar nazi but friendly friend
2024 · krammar.kieng.io.vn · its alternatives →
15
Linguo Translate▲82
Offline & AI Translation for macOS
Sep 2026 · apps.apple.com · its alternatives →
16
Doctranslate.io - Audio Translation▲68
Globalize Knowledge
2025 · doctranslate.io · its alternatives →
17
Write better with AI Writing Tool▲68
Grammar Check, Spelling and Translate
2023 · play.google.com · its alternatives →
18
Fluento▲65
The world's smartest language learning social network
2023 · fluento.ai · its alternatives →
19
Trinka AI - Grammar Checker Tool▲10
AI-based writing assistant for academic & technical writing
2021 · trinka.ai · its alternatives →
20
Engram▲14
Elevate your English w/ AI optimized for non-native speakers
2024 · engram.us · its alternatives →
21
SubtleAI▲31
Transform Your Videos With AI-Powered Audio & Subtitles
2025 · subtleai.leanai.ventures · its alternatives →
22
Korr IA▲5
French/English AI editor that never sees your text
Jul 2026 · korr-sandy.vercel.app · its alternatives →
23
AI Polyglot - Private Translator▲18
Real-time web chat translation
2025 · ai-polyglot.com · its alternatives →
24
AI Japanese Tutor▲13
Fluency through Speech: Conversational AI Japanese Tutor
2025 · aijapanesetutor.org · 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 →