English Plus One

[AI Writes English Just for You]

Pick the words you want to learn — AI writes a leveled article around them.

10-question CEFR placement maps to TOEIC / IELTS / TOEFL.

Fully offline. No subscription. Nothing leaves your device.

[Smart Placement Diagnostic]

Not sure of your level? The built-in Dynamic Placement Test:

• Smart algorithm draws questions one level above your current ability.

• Just 10 questions to map your CEFR level (A1–C2).

• Auto-adapts content: AI dialogues and reading articles match your level instantly.

[Key Features]

• On-Device AI Conversation — Qwen 2.5 & Llama 3.2 models. No internet needed; 100% of your data stays on the device.

• AI-Crafted Articles — Pick the words you want to learn; AI writes a themed article around them.

• Tiered Vocabulary (A1–C2) — CEFR high-frequency vocabulary with cross-references to common English certifications.

• Learner-Friendly Definitions — 5,674 words rewritten for CEFR-graded readability; no more hard words explaining harder ones.

• Hardware Adaptation — Auto-recommends the optimal model for your device.

[Full Experience]

• Daily reading streak — Home Screen and widget show the flame in sync; every open is a new challenge.

• Learning insights — one-page dashboard for reading activity, vocabulary growth, CEFR trend, topic mix.

• Achievement unlocks — milestone pop-ups for words, articles, streak days, and CEFR level-ups.

• Concrete progress — model loading and article generation show ETA, can be canceled mid-flight.

• 11 interface languages — Traditional Chinese, English, Japanese, Simplified Chinese, Korean, French, German, Spanish, Portuguese, Vietnamese, Indonesian.

• Full accessibility — VoiceOver, Dynamic Type, Reduce Motion all supported.

• iPad / Mac three-column layout — ⌘⇧N pops the article into its own window; full physical keyboard shortcuts.

• Article history — last 10 articles persisted; the left column survives cold start.

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More from the developer: Kana Juku · Python Dimensions · Auditory Companion · Gantt Planet — Search «ChengChe Lee» on the App Store.