LanDia - AI English Diary
English Diary + AI Corrections
About
This AI-powered app helps you improve your English by journaling. Write in English, then add your native language translation; the AI rewrites your entry into natural English. Track your progress and common mistakes to build practical language skills.
What's New in LanDia
3.7.0
July 15, 2026
The following updates have been made. ・Minor bug fixes LanDia has more features planned for the future. We welcome your feedback and feature requests — feel free to contact us anytime!
MoreSubscription plans
LanDia Pro
LanDiaのすべてのプレミアム機能を利用できます。
Developer apps
FAQ
How does LanDia help me learn English?
LanDia uses an AI to rewrite your diary entries into natural, fluent English. By comparing your original writing with the AI's corrections and reviewing your common expressions and mistakes, you build practical language skills.
What is the learning methodology of LanDia?
The app follows a Write → Correct → Review → Analyze cycle. This iterative process helps users internalize correct English usage and accumulate expressions they can confidently use.
Does LanDia offer progress tracking?
Yes, LanDia features review and analysis tools that help you visualize expressions you use often and mistakes you tend to make, aiding in tracking your progress.
What devices is LanDia available on?
LanDia is supported on iPhone, iPad, and iPod devices, making it accessible for users across the Apple ecosystem.
What is the age rating for LanDia?
LanDia has an age rating of 4+, making it suitable for a wide range of users interested in improving their English.
How often is LanDia updated?
The app was last updated on May 30, 2026, indicating active development and support for the application.
What are the subscription options for LanDia Pro?
LanDia Pro is available for $1.99 per month, offering enhanced features for users who wish to further invest in their language learning journey.
Does LanDia have ads?
No, LanDia does not contain advertisements, providing an uninterrupted learning experience for its users.