LangJournal LogoLangJournal

Write a Japanese diary
and sound more natural

LangJournal App Screenshot

Features

LangJournal helps you practice Japanese by keeping a diary, with AI corrections, clear explanations, follow-up questions, and quick review tools. Write about your day in Japanese, learn why each correction was made, and make your writing sound more natural step by step.

Instant AI Corrections

Instant AI Corrections

Write journals for free and receive immediate AI feedback. Premium users can unlock two extra, even smarter AI models for deeper corrections.

Ask ChatGPT Anything

Ask ChatGPT Anything

Not sure why a sentence was changed? Chat with ChatGPT and ask “Why passive voice here?” or “Why this word?” to understand every correction.

Join a Team & Share Journals

Join a Team & Share Journals

Teams of five help you stay motivated—share entries, cheer each other on, and build real bonds while you learn.

User Reviews

4.7
High Rating
10K+
Downloads
70K+
AI Corrections

Supported Languages

Learn and journal in 10+ different languages

English

English

Spanish

Spanish

French

French

German

German

Chinese

Chinese

Japanese

Japanese

Korean

Korean

Portuguese

Portuguese

Dutch

Dutch

Italian

Italian

Polish

Polish

Swedish

Swedish

Tagalog

Tagalog

Plans

Check pricing and included features

Free

Use core features like standard diary correction at no cost.

$0/month

Premium

Popular

1 week free

Learn without ads and unlock more generous access to AI features.

$7.99/month

News

Frequently Asked Questions

Get Started Today

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iOS & Android apps also available