AI English Diary Coach

Learn English by writing about your real life — and get expert-level feedback with every entry.

AI English Diary Coach turns a few honest sentences into your daily English lesson. Write about your day in your own words, and a personal AI coach corrects your grammar, rewrites your sentences more naturally, and explains exactly why — in your own language.

No textbooks. No lectures. Just you, your day, and an AI coach that helps you sound a little more native every time you write.

WHY DIARY WRITING WORKS
Writing about things you actually care about is one of the fastest ways to build real fluency — far more effective than memorizing rules you’ll never use in conversation. AI English Diary Coach makes that habit easy to stick to, with daily prompts, streaks, and feedback that keep you coming back.

WHAT YOU GET
• Daily writing prompts — thoughtful questions about your day, mood, work, and relationships, so you’re never staring at a blank page
• Sentence-by-sentence AI corrections — see exactly what to fix, why it’s wrong, and how a native speaker would actually say it
• Three levels of rewrite — simple, natural, and advanced versions of every entry, so you can see how the same idea grows with your level
• Expression Assist — describe an idea in your own words and get natural English phrasing instantly, without breaking your writing flow
• Weekly Coach Report — a personalized summary of your top mistakes, your wins, and exactly what to focus on next week
• Streaks & progress tracking — a calendar view of your writing habit, plus stats on words written, vocabulary learned, and error trends over time
• Save phrases as you go — bookmark corrections and useful expressions straight from your feedback, and review them anytime
• Works in 45 languages — every explanation, correction note, and lesson is delivered in your own language

YOUR DIARY STAYS YOURS
• No sign-up. No account. Start writing the second you open the app
• Your entries live on your device and sync privately through your own iCloud — writing works completely offline
• On supported devices, daily prompts and Expression Assist run on-device with Apple Intelligence
• Full corrections use our cloud AI for the highest quality — only the entry you ask about is sent, and it is never kept long-term on our servers
• Optional cloud backup is encrypted o