DiaryTutor vs SubFit

DiaryTutor turns daily journaling into a natural way to learn a foreign language. Pick a language. Write a diary entry — about your morning coffee, a conversation, a feeling, anything. Your AI tutor reads it, gently corrects mistakes, suggests more natural phrasing, and explains why. The more you write, the more your tutor learns about your style. — FOUR AI TEACHERS, EACH WITH A PERSONALITY — • Yaya — warm, patient, perfect for beginners • Oliver — precise and encouraging, your structured guide • Inky — playful and creative, for expressive writers • Milo — moody but insightful, when you want a sharper edge Switch teachers anytime. Each one grows alongside you, leveling up from Lv 1 to Lv 15 as you write together — unlocking new expressions, new conversations, and four evolution stages. — EIGHT LANGUAGES TO CHOOSE FROM — English, Japanese, Korean, French, Spanish, German, Dutch, Chinese. Mix and match. Switch languages whenever you want. — BUDDIES: A LETTER-BASED PEN-PAL WORLD — Pair up with a Buddy who's also learning. Exchange letters at your own pace — no pressure, no notifications buzzing every minute. Real practice with real humans, gently moderated. — DEEP CORRECTIONS, NOT JUST GRAMMAR — Beyond fixing mistakes, your tutor highlights: • Code-switching habits (when you accidentally fall back to your native language) • Naturalness scores • Writing advice tailored to your level — PROGRESS YOU CAN SEE — Earn XP, unlock badges (Gold / Platinum / Cosmic), watch your character evolve, and look back on a growing diary archive in your target language. — EARLY ACCESS NOTE — You're using one of the first builds. We're shipping updates fast and listening closely. Tap "Send Feedback" to talk to us directly — every message is read. Privacy & safety: All diaries are private by default. UGC is moderated by AI and human review. Report and block tools are built in. Start writing today. The best way to learn a language is to live in it — one diary at a time.

SubFit 是你的「語言健身房」— 不是背單字，而是像健身一樣，把聽力和口說練成肌肉記憶。 ■ 逐句訓練，真正練到「說出來」 每句話帶你走過完整流程：盲聽 → 看聽同步 → 記憶剝離 → 聽中反射 → 開口錄音 → 成果複習。搭配間隔重複，該複習的句子自動幫你排程，記得牢。 ■ 把你喜歡的內容變成課程 拒絕硬聽不想聽的教材。匯入你愛的電影影集字幕、雜誌（拍照 OCR / 掃 QR Code），SubFit 自動斷句、翻譯，變成你的私人課程。學你真正想學的內容，才撐得過每天的練習。 ■ AI 講解，秒懂「母語者為什麼這樣說」 每句都能請 AI 解析：核心語感、句型骨架、替換例句，抓到語言背後的邏輯，不只死記。 ■ 多語言、多口音 支援英文、日文、韓文、荷蘭文、法文；英文另有美式、英式、澳洲、印度、加拿大五種口音，挑你耳朵最需要適應的那一種。 ■ 練習有回饋 XP、等級、連續天數、排行榜，讓每天開口都有成就感。 現在就開始，把你聽的每一段內容，變成你說得出口的能力。 訂閱方案（自動續訂） ・SubFit Plus — 每月 NT$69 每月 200 句新句訓練、全部語音與口音、無限 AI 講解、課程雲端備份與跨裝置同步 ・SubFit Pro — 每月 NT$115 無限句訓練，並包含 Plus 全部功能，另可匯出 SRT 字幕與含 AI 解析的 Anki 卡片 免費版可使用預設語音，並享有每月免費訓練額度。 訂閱於購買時向你的 Apple ID 帳戶收費，並於每期結束前24 小時內自動續訂，除非事先取消。可隨時於 App Store帳戶設定中管理或取消訂閱。 服務條款（EULA）：https://blog.subfit.app/terms 隱私政策：https://blog.subfit.app/privacy