About Language Diary: LangJournal
LangJournal is a language learning app that helps you build real writing skills by keeping a diary and getting AI correction. Write in French, Japanese, Korean, Chinese, Spanish, German, Portuguese, Dutch, Italian,...
LangJournal is a language learning app that helps you build real writing skills by keeping a diary and getting AI correction. Write in French, Japanese, Korean, Chinese, Spanish, German, Portuguese, Dutch, Italian, Tagalog, English, and more. The AI checks your diary entries for grammar, vocabulary, and natural phrasing, then helps you improve your writing step by step. By writing regularly, you can practice expressing your thoughts in the language you are learning and build a daily habit that feels practical and sustainable. LangJournal is useful for daily writing practice, language study, and improving how naturally you express yourself in your target language. [Key Features] ■ Instant AI Correction Get instant feedback on your diary entries. The AI checks not only grammar mistakes, but also unnatural wording, vocabulary choices, and expressions, so you can improve your practical writing skills. ■ Chat and Talk with AI Chat with AI by text or voice. You can ask follow-up questions about your diary, explore better ways to say something, and deepen your learning through conversation. ■ Learn with Others Through Teams Join a team and share diary entries with other learners. You can comment on each other’s writing and stay motivated together. *Currently available for learners of English, Korean, and German. ■ Ask ChatGPT Ask questions about translations, wording differences, or more natural expressions. This is helpful for reviewing your diary entries and understanding corrections more deeply. ■ CEFR Level Check Analyze your diary entries by vocabulary, grammar, verb usage, and more, and check your level using CEFR (A1-C2). *Currently available for English learners. ■ Add Photos and Videos Attach up to 4 photos or videos to each diary entry. Keep your memories together with your writing practice. ■ Voice Recording for Speaking Practice Record and save your voice after writing a diary entry. This helps with pronunciation practice, reading aloud, and speaking improvement. ■ Translation Support Translate your diary entries and compare them with your original writing. This helps you better understand what you wrote and how your ideas are expressed. ■ Write as Much as You Want There is no limit to the number of diary entries you can write. Practice as often as you like and increase your output over time. ■ Passcode Lock Protect your diary with a passcode. Face ID and Touch ID are also supported on compatible devices. ■ Reminder Notifications Set your study time and get reminder notifications. This helps you build a daily writing habit. ■ Use Across Multiple Devices Register with your email address and password to use the same account on multiple devices. You can continue using the app even after changing devices. ■ Text-to-Speech Listen to your diary entries with text-to-speech. This is useful for pronunciation checks and reading practice. ■ Search Past Entries Find your past diary entries quickly with keyword search. ■ Font Customization Change the font size and style to make writing more comfortable for you. [Languages You Can Learn] . English . Korean . Japanese . Chinese . Spanish . German . French . Portuguese . Dutch . Italian . Polish . Swedish . Tagalog [Recommended For] . People who want to improve writing through daily diary practice . Learners who want AI correction for more natural expressions . People who want to build a sustainable language learning habit . Learners who want to practice writing in French, Japanese, Korean, and other languages . People who want to review their writing and ask follow-up questions with AI
Version History - You can now do more when learning Japanese. - Improved diary corrections and the way learning focus issues are shown. - Improved stability around diary posting. 7.5.12 1d ago - You can now run correction later on saved diaries that were not corrected when posted. - Improved Japanese correction to avoid over-correcting natural notation and proper nouns. - English spelling corrections now make ignored words less likely to appear again. - Fixed a rare iOS crash that could happen while entering long text. - Improved some Korean wording. 7.5.11 4d ago - You can now run correction later on saved diaries that were not corrected when posted. - Improved Japanese correction quality, Korean text, and web navigation. 7.5.10 6d ago - Improved the diary review exercise flow so you can create exercises from your corrections and try again if creation fails. - Refined original text display and improved app stability. 7.5.9 May 25 - Improved app stability and reliability. - Fixed an issue that could affect the latest native app build. 7.5.8 May 23 - Improved the Ask AI experience after posting a journal entry. - Added clearer You/AI labels in AI conversations. - Fixed keyboard behavior when opening Ask AI or choosing a journal theme. 7.5.7 May 21 - Improved how AI answers are displayed, making them easier to read. - Improved diary correction and grammar-check quality. - Fixed cases where some AI answers could appear in an unintended format. 7.5.6 May 20 - You can now ask AI questions while writing a diary. - Improved diary correction quality and app stability. 7.5.5 May 20 - You can now ask AI questions while writing a diary. - Improved diary correction quality and app stability. 7.5.4 May 19 - Improved the quality of Standard correction. - Improved review features. 7.4.1 May 17 - Improved AI features so they can stay available more reliably. - Improved overall app stability. 7.3.3 May 10 - Added question suggestions at the start of chat to help you start conversations more easily. - Improved overall app stability. 7.3.2 May 8 - Improved Insights for English learners. - Improved the Weekly Report for English learners. - Proper nouns detected as spelling mistakes in correction results will no longer be shown from the next time after you ignore them once. 7.3.1 May 6 - Improved the suggested ChatGPT questions for journal entries, making answers easier to understand. - Added audio playback for Zena's journal comments. - Improved overall app stability and usability. 7.2.18 Apr 29 - Improved overall app stability and reliability. - Made several usability improvements for a smoother experience. 7.2.17 Apr 27 - Improved overall app stability and reliability. - Made several usability improvements for a smoother experience. 7.2.16 Apr 23 - Improved overall app stability and reliability. - Made several usability improvements for a smoother experience. 7.2.15 Apr 22 - Improved overall app stability and reliability. - Made several usability improvements for a smoother experience. 7.2.14 Apr 20 - Improved overall app stability and reliability. - Made several usability improvements for a smoother experience. 7.2.13 Apr 17 - Improved overall app stability and reliability. - Made several usability improvements for a smoother experience. 7.2.12 Apr 16 - Home comments now load faster and more reliably. - Improved the quality of AI feedback in several learning features. 7.2.11 Apr 14 - Diary chat now stays focused on your latest journal text, even when you use quick questions or custom questions. - Follow-up questions after editing your diary should now get answers based more accurately on the latest content. - Improved the overall stability of diary chat. 7.2.9 Apr 11 - Added a new review exercise based on your journal corrections when available. - Simplified ChatGPT model selection and made it more consistent across chat features. - Improved overall app stability. 7.2.8 Apr 9 - Improved overall app stability. 7.2.7 Apr 8 - Improved overall app stability. - Made internal improvements to support future updates. 7.2.6 Mar 30
Previous Versions
Here you can find the changelog of Language Diary: LangJournal since it was posted on our website on 2024-05-01 13:20:01.
The latest version is 7.5.12 and it was updated on 2026-06-24 04:25:55. See below the changes in each version.
Language Diary: LangJournal version 7.5.12
Updated At: 2026-06-03
Changes: Version History - You can now do more when learning Japanese.
- Improved diary corrections and the way learning focus issues are shown.
- Improved stability around diary posting. 7.5.12 1d ago - You can now run correction later on saved diaries that were not corrected when posted.
- Improved Japanese correction to avoid over-correcting natural notation and proper nouns.
- English spelling corrections now make ignored words less likely to appear again.
- Fixed a rare iOS crash that could happen while entering long text.
- Improved some Korean wording. 7.5.11 4d ago - You can now run correction later on saved diaries that were not corrected when posted.
- Improved Japanese correction quality, Korean text, and web navigation. 7.5.10 6d ago - Improved the diary review exercise flow so you can create exercises from your corrections and try again if creation fails.
- Refined original text display and improved app stability. 7.5.9 May 25 - Improved app stability and reliability.
- Fixed an issue that could affect the latest native app build. 7.5.8 May 23 - Improved the Ask AI experience after posting a journal entry.
- Added clearer You/AI labels in AI conversations.
- Fixed keyboard behavior when opening Ask AI or choosing a journal theme. 7.5.7 May 21 - Improved how AI answers are displayed, making them easier to read.
- Improved diary correction and grammar-check quality.
- Fixed cases where some AI answers could appear in an unintended format. 7.5.6 May 20 - You can now ask AI questions while writing a diary.
- Improved diary correction quality and app stability. 7.5.5 May 20 - You can now ask AI questions while writing a diary.
- Improved diary correction quality and app stability. 7.5.4 May 19 - Improved the quality of Standard correction.
- Improved review features. 7.4.1 May 17 - Improved AI features so they can stay available more reliably.
- Improved overall app stability. 7.3.3 May 10 - Added question suggestions at the start of chat to help you start conversations more easily.
- Improved overall app stability. 7.3.2 May 8 - Improved Insights for English learners.
- Improved the Weekly Report for English learners.
- Proper nouns detected as spelling mistakes in correction results will no longer be shown from the next time after you ignore them once. 7.3.1 May 6 - Improved the suggested ChatGPT questions for journal entries, making answers easier to understand.
- Added audio playback for Zena's journal comments.
- Improved overall app stability and usability. 7.2.18 Apr 29 - Improved overall app stability and reliability.
- Made several usability improvements for a smoother experience. 7.2.17 Apr 27 - Improved overall app stability and reliability.
- Made several usability improvements for a smoother experience. 7.2.16 Apr 23 - Improved overall app stability and reliability.
- Made several usability improvements for a smoother experience. 7.2.15 Apr 22 - Improved overall app stability and reliability.
- Made several usability improvements for a smoother experience. 7.2.14 Apr 20 - Improved overall app stability and reliability.
- Made several usability improvements for a smoother experience. 7.2.13 Apr 17 - Improved overall app stability and reliability.
- Made several usability improvements for a smoother experience. 7.2.12 Apr 16 - Home comments now load faster and more reliably.
- Improved the quality of AI feedback in several learning features. 7.2.11 Apr 14 - Diary chat now stays focused on your latest journal text, even when you use quick questions or custom questions.
- Follow-up questions after editing your diary should now get answers based more accurately on the latest content.
- Improved the overall stability of diary chat. 7.2.9 Apr 11 - Added a new review exercise based on your journal corrections when available.
- Simplified ChatGPT model selection and made it more consistent across chat features.
- Improved overall app stability. 7.2.8 Apr 9 - Improved overall app stability. 7.2.7 Apr 8 - Improved overall app stability.
- Made internal improvements to support future updates. 7.2.6 Mar 30
Language Diary: LangJournal version 6.12.8
Updated At: 2026-02-24
Changes: - We’ve made minor adjustments to the UI.
Language Diary: LangJournal version 6.12.7
Updated At: 2026-02-13
Changes: - We’ve ended new sign-ups for the Pro plan (existing Pro members can continue using it).
Language Diary: LangJournal version 6.9.1
Updated At: 2025-09-22
Changes: Sep 22, 2025
Version 6.9.1
- Improved performance and stability
- Updated internal components for a smoother experience
- Fixed minor issues
Language Diary: LangJournal version 6.7.14
Updated At: 2025-07-28
Changes: Jul 28, 2025
Version 6.7.14
Fixed a crash issue occurring on some devices.
Language Diary: LangJournal version 6.5.30
Updated At: 2025-05-30
Changes: May 30, 2025
Version 6.5.30
Share feature enhanced.
Quick-share Home quote, diary entry, chat summary, and CEFR analysis as images with one tap.
Language Diary: LangJournal version 6.5.23
Updated At: 2025-05-12
Changes: May 12, 2025
Version 6.5.23
In the "Ask ChatGPT" screen, the title is now also included in the correction, along with the main text.
Language Diary: LangJournal version 6.5.19
Updated At: 2025-05-03
Changes: May 3, 2025
Version 6.5.19
You can now check your most frequently used words. Reviewing them regularly will help reinforce your vocabulary.
Language Diary: LangJournal version 6.5.14
Updated At: 2025-04-18
Changes: Apr 18, 2025
Version 6.5.14
Fixed an issue where text appeared too small on some devices in the ChatGPT screen
Language Diary: LangJournal version 6.5.13
Updated At: 2025-04-16
Changes: Apr 16, 2025
Version 6.5.13
You can now smoothly edit your journal while viewing it in the ChatGPT screen
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