Privacy Policy
Effective: 2026-04-29 · Version: v1.0
1. Introduction
Welcome to Lingio (the “App”). The App is a work assistance tool for licensed inbound tour guides, developed and operated by Beijing Qiyan Intelligent Technology Co., Ltd. We take your privacy seriously. This policy explains how we collect, use, store, share, and protect your personal information, and the rights you have.
Please read this policy before using the App. By completing registration or starting to use the App, you agree to this policy in full.
2. Scope
This policy applies to your use of the App via iOS App, TestFlight, and any future clients. It does not apply to third-party services you access via links from the App.
3. Information We Collect
3.1 Information You Provide
| Type | Fields | Required |
|---|---|---|
| Account | Email, password (hashed) | Required |
| Guide credentials | License number (optional), language skills, city | Optional |
| Visitor profile | Nationality, age group, size, focus areas | Required for personalization |
| Feedback | In-app feedback content | Optional |
3.2 Automatically Collected
| Type | Source | Purpose |
|---|---|---|
| Device ID | iOS IDFV, device model, OS version | Auth, security |
| Usage logs | Feature calls, session duration, crashes | Product improvement |
| Network info | IP address, carrier, connection type | Security, anti-fraud |
3.3 Sensitive Data (With Your Consent)
| Type | Trigger | Purpose |
|---|---|---|
| Microphone audio | Real-time translation active | Translation only; not stored persistently |
| Camera image | Passport MRZ scan | OCR recognition; image deleted immediately after |
| Location | Route planning | Active use only; no background collection |
4. How We Use Your Information
| Purpose | Data | Legal basis |
|---|---|---|
| Account authentication | Email, password, device ID | Contract performance |
| Commentary reference generation | Visitor profile, knowledge base queries | Contract performance |
| Translation assistance | Microphone audio | Your explicit consent |
| Route planning | Location | Your explicit consent |
| Product improvement | Usage logs, crashes | Legitimate interest (minimized) |
| Security & anti-fraud | Device info, IP, login logs | Legitimate interest, legal obligation |
5. Data Sharing
| Provider | Data | Purpose | Location |
|---|---|---|---|
| MiniMax | Commentary generation requests | LLM inference | Mainland China |
| Google Gemini Flash Lite | Translation fallback text (L3 only) | Translation model | Overseas |
| Alibaba Cloud | All app data | Database / storage / logs | Mainland China |
We do not sell your personal information or share it with advertising platforms.
6. Data Retention
| Dimension | Detail |
|---|---|
| Storage location | Mainland China (Alibaba Cloud East China, multi-AZ) |
| Retention | Account: deleted 7 days after cancellation; Usage logs: 90 days; Crash logs: 180 days |
| Encryption | TLS 1.2+ in transit; AES-256 at rest; bcrypt for passwords |
7. Your Rights
| Right | How to exercise |
|---|---|
| Access | In-app: Me → Personal info |
| Correction | In-app: Me → Edit profile |
| Deletion | In-app: Me → Delete account; or email leonsky1712@gmail.com |
| Withdraw consent | iOS Settings → Lingio → disable permissions |
| Data portability | Email request; provided within 15 business days |
| Complaint | Email leonsky1712@gmail.com; responded within 7 business days |
8. Minors
The App is intended for licensed tour guide professionals. We do not knowingly serve users under 16 years of age. If we discover we have inadvertently collected data from a minor, we will delete it immediately.
9. Policy Updates
We may update this policy as required by law or as our product evolves. Material changes will be communicated at least 7 days in advance via in-app pop-up, email, or website notice.
10. Contact Us
| Channel | Details |
|---|---|
| leonsky1712@gmail.com | |
| Complaints | leonsky1712@gmail.com (prefix subject with [Complaint]) |
| Website | https://www.lingio.com.cn |
| Company | Beijing Qiyan Intelligent Technology Co., Ltd. |