Legal
Privacy Policy & Terms of Service
Last updated: May 28, 2026
CEFR AI ("we", "our", or "us") operates the website cefrai.uz and provides AI-powered English exam preparation services. This document covers our Privacy Policy, Terms of Service, and Refund Policy. By creating an account or using CEFR AI, you agree to these terms.
Part I — Privacy Policy
1Information We Collect
Account Information
When you register, we collect your first name, email address, and a hashed password. If you sign in with Google, we receive your name, email, and profile picture from Google.
Usage Data
We record your test attempts, scores, AI-graded feedback, and practice session history. This is used to show your progress and generate dashboard statistics.
Payment Information
When you subscribe, we collect a screenshot of your bank transfer receipt. We do not store your card number or bank account details. Screenshots are used solely to verify your payment and are retained for fraud prevention. A cryptographic hash (SHA-256) of each screenshot is stored to detect duplicate submissions.
Technical Data
We automatically collect your IP address, browser type, and pages visited for security and performance monitoring. We do not use this data for advertising.
Analytics and Referral Information
We collect basic analytics and referral information, such as referral source, campaign parameters, landing page, browser/device type, and product interaction events, to understand how users find CEFR AI and improve the platform.
Privacy Consent Records
If we ask you to accept privacy terms or consent prompts, we may store the acceptance time and policy version so we can confirm which terms applied when you used the service.
2How We Use Your Information
- To create and manage your account
- To grade your writing and speaking tests using AI
- To activate and manage your subscription
- To detect and prevent fraudulent payment submissions
- To show your learning progress and achievements
- To send important service notifications (e.g. subscription expiry)
- To improve the quality of our tests and AI grading
We do not sell your personal data to third parties. We do not use your data for targeted advertising.
3Third-Party Services
We use the following third-party services to operate CEFR AI:
| Service | Purpose | Data shared |
|---|---|---|
| Anthropic (Claude AI) | AI grading of writing & speaking tests; payment screenshot verification | Test responses, payment screenshots |
| Vercel | Website hosting and deployment | Request logs, IP addresses |
| Railway (PostgreSQL) | Database storage | All user data listed above |
| Google OAuth | Optional sign-in with Google | Name, email (if you choose Google login) |
| Telegram | Optional support channel | Only what you send voluntarily |
4Data Retention
- Account data — kept for as long as your account is active.
- Test results and feedback — kept indefinitely to show your progress history.
- Payment screenshots — kept for 2 years for fraud prevention, then deleted.
- Rejected submissions — the screenshot image is not stored, only the hash.
You may request deletion of your account and associated data at any time (see Section 7).
5Cookies
We use a single session cookie (next-auth.session-token) to keep you logged in. This is strictly necessary and does not track you across other websites. We do not use advertising or analytics cookies.
6Security
We take reasonable technical measures to protect your data: passwords are hashed and never stored in plain text, all data is transmitted over HTTPS, and database access is restricted. No system is 100% secure — if you believe your account has been compromised, contact us immediately.
7Your Rights
You have the right to:
- Access — request a copy of the personal data we hold about you.
- Correction — ask us to correct inaccurate information.
- Deletion — request that we delete your account and personal data.
- Objection — object to how we process your data in certain circumstances.
To exercise any of these rights, contact us at the address below. We will respond within 30 days.
Part II — Terms of Service
8Service Description
CEFR AI is an AI-powered English language practice platform. We provide automated grading and feedback on writing and speaking tasks based on the Common European Framework of Reference for Languages (CEFR). Our AI feedback is intended for practice and preparation only and does not constitute an official CEFR certification or exam result.
9Subscription Plans & Pricing
CEFR AI offers the following plans:
| Plan | Price | Includes |
|---|---|---|
| Free | 0 UZS | Limited writing & speaking tasks per month, basic AI feedback |
| Basic | 49,000 UZS / month | Writing practice + unlimited reading & listening, mistake tracker |
| Pro | 79,000 UZS / month | Writing + speaking practice, 1 full CEFR mock exam, priority AI processing |
| Premium | 109,000 UZS / month | Maximum writing & speaking credits, 3 full CEFR mock exams, priority support |
Prices are in Uzbekistani so'm (UZS). We reserve the right to adjust pricing with 30 days' notice to active subscribers.
10Payment & Activation
- Payments are made via bank transfer (Uzcard, Humo, or other supported methods).
- After transferring the exact subscription amount, upload a screenshot of your payment receipt on the subscription page.
- Our team verifies your payment — usually within a few hours. Your subscription activates immediately upon verification.
- Each subscription period is 30 days from the date of activation.
11Refund Policy
Summary
You may request a full refund within 3 days of activation if you have not used any paid features (AI grading). Once you submit a writing or speaking task for AI grading, the subscription is considered used and is non-refundable.
Eligibility for Refund
A full refund is available if all of the following conditions are met:
- Your refund request is made within 3 calendar days of subscription activation.
- You have not submitted any writing or speaking task for AI grading during the subscription period.
- You contact us via email or Telegram with your account email and reason for the request.
Non-Refundable Situations
Refunds are not available in the following cases:
- More than 3 days have passed since activation.
- You have used any paid AI grading feature (writing or speaking tasks).
- Your account was suspended for violating our terms.
Service Credits
If CEFR AI experiences extended downtime (more than 24 consecutive hours) during your active subscription, you are entitled to a pro-rated extension of your subscription at no additional cost. Contact us to claim this.
How to Request a Refund
Send an email to mboltaboev@gmail.com or message us on Telegram with your registered email address. We will process eligible refunds within 5 business days.
12Acceptable Use
You agree not to:
- Share your account credentials with others
- Submit fraudulent or manipulated payment screenshots
- Use automated tools (bots, scripts) to interact with the platform
- Attempt to circumvent usage limits on the Free plan
- Submit offensive, harmful, or illegal content in test responses
Violation of these terms may result in suspension or termination of your account without refund.
13Limitation of Liability
CEFR AI is provided "as is" without warranties of any kind. We do not guarantee that AI-generated scores will match official CEFR exam results. Our feedback is for educational practice purposes only. We are not liable for any decisions made based on scores or feedback provided by the platform.
14Account Termination
You may delete your account at any time by contacting us. We reserve the right to suspend or terminate accounts that violate these terms. If your account is terminated for a policy violation, no refund will be issued.
15Age Requirement
CEFR AI is not directed at children under 13. We do not knowingly collect personal data from children under 13. If you believe a child has provided us with personal data, please contact us and we will delete it promptly.
16Changes to These Terms
We may update this document from time to time. When we do, we will update the "Last updated" date at the top. Continued use of CEFR AI after changes are posted constitutes your acceptance of the updated terms.
17Contact
If you have questions about this policy, your data, or need to request a refund: