LangJournal: AI Language Diary

Embrace Language Learning with a Diary Habit!
LangJournal combines standard diary features with a corrective AI, making it the ultimate app for those looking to acquire languages through journaling.

【Supported Languages】
English, German, Spanish, French, Portuguese, Dutch

【Features】
■ Instant Diary Correction with Three Types of AI
Your diary entries are corrected by AI, completely free of charge. We offer three distinct AI options, each providing unique corrections, giving you three different sets of feedback.

■ Study in a Team
Form teams of five and share journals with each other. Encourage each other along with other app users. Studying in a group rather than alone can more than triple the continuity rate.

■ Utilize ChatGPT-4 for Queries
Directly ask ChatGPT-4 for help with translations or improved expressions, and receive practical learning support. This interactive approach provides immediate feedback, effectively honing your language skills.

■ Diary Analysis Based on CEFR Levels
Diaries are analyzed from three aspects: vocabulary, grammar, and verb forms, and are rated across six CEFR levels, from A1 to C2. This analysis helps you concretely understand your language level and clearly track your learning progress.

■ Translation with DeepL
You can translate your written diary using DeepL. After translating, you can check if it reads naturally in your native language, which can be beneficial for language learning.

■ Write Diaries Multiple Times a Day
There is no limit to the number of diary entries you can write in a day. All your entries will be corrected by AI.

■ Request Professional Translation Correction (Paid Service)
For those who find AI checks insufficient or need their writing for professional use, you can request corrections from translators. Within the LangJournal app, you can request, make payments, and review the corrected results. The cost is 1.8 yen per character, with corrections completed within three business days.

■ Add Photos and Videos to Your Diary
You can add a combination of up to four photos and/or videos per diary entry.

■ Save Locations in Your Diary
Not only reminisce memories but also enhance your conversational skills by recording vocabulary and expressions related to places in your diary.

■ Passcode Lock
If you don’t want others to see your diary, you can lock the app. It also supports Face ID and Touch ID.

■ Reminder Function
Set study times and receive push notifications. Use the reminder function to prevent forgetting to write until journaling becomes a habit.

■ Share Across Multiple Devices! Easy Transfer When Changing Devices!
This feature allows seamless learning across different devices, perfect for situations like using your smartphone during your commute and your tablet at home.

■ Voice Recording
After writing a diary, you can record and store your voice in the app for pronunciation checks.

■ Text-to-Speech
The app features a function to read your diaries aloud.

■ Search Diaries
Quickly search for past diaries using keywords.

■ Changeable Fonts
You can change the font size and style of your diaries.

【Recommended For】
■ Those Serious About Language Learning
Writing is incredibly important in language learning. You cannot speak what you cannot write. Writing also serves as practice for speaking.

What you write in your diary can be directly used in everyday conversations. Having written it down once, you'll find it easier to fluently converse with foreigners.
　
【Additional Information】
■ About Subscriptions
Automatically renews at the end of each monthly period.
To avoid automatic renewal, cancel at least 24 hours before the end of the current period.
Cancellation for the current month is not possible.

■ Checking and Cancelling Subscriptions
To cancel, please access the following page and select 'Manage Subscriptions'.
https://support.google.com/googleplay/answer/7018481?hl=en&co=GENIE.Platform%3DAndroid&sjid=4288156685898765813-AP