English N+1 — Privacy Policy
Last Updated: 2026-04-15
1. Overview#
English N+1, developed by QQder339, is an English learning app featuring CEFR-level assessment and on-device AI conversation technology.
In short: We do NOT collect, store, or transmit any of your personal data to external servers.
2. Data We Do NOT Collect#
This app does not collect:
- Personally Identifiable Information (name, email, phone number)
- Location data
- Device identifiers
- Usage analytics or tracking data
3. Locally Stored Data#
The following data is stored strictly on your device and never transmitted externally:
- Learning Progress & Level: CEFR assessment results and study records
- Conversation History: AI conversation logs stored locally
- Word Collections: Saved vocabulary and learning notes
- User Settings: Language preferences, difficulty settings, etc.
4. Offline AI Features#
All AI features run entirely on-device without network connection:
- AI Conversation Practice: Uses local Llama 3.2 or Qwen 2.5 models; all inference runs on-device
- Article Generation: Personalized learning articles generated locally based on your level
- Level Assessment: CEFR level evaluation computed on-device
AI models require a one-time download before first use (user-initiated); all features work offline after download.
5. Third-Party Services#
This app does NOT use any third-party analytics or advertising frameworks (No Google Analytics, No Facebook SDK, No Ads).
6. Network Access#
Network access is restricted to:
- Downloading AI Models (Optional, one-time): Only connects when you explicitly choose to download LLM model resources
- External Links: Opens browser when tapping relevant links
Other than the above, the app does not initiate network connections.
7. Contact Us#
📧 qqder339@gmail.com
Subject: English N+1 Privacy Policy Inquiry