Preparation
QuillBot Account: Register on quillbot.com and verify your email.
Network: Use a US Residential IP (Important). Ensure the geographic location shows as USA.
Funds: Prepare $15-20 equivalent USDT (QuillBot is $9.95/mo or $49.95/yr).
Step-by-Step Instructions
Phase 1: Prepare MPChat Virtual Card
USDT Deposit (Path:
MPChat App→Wallet→Deposit)Copy your USDT deposit address.
Transfer USDT from an external wallet (Recommend $20+).
Wait for confirmation.
Apply for US MPCard (Path:
MPChat App→MPCard→Apply for New Card)Country: Select "United States".
Card Type: Virtual Card.
Record Card Number, Expiry, and CVV.
Asset Transfer (Path:
MPChat App→Wallet→Transfer)From: MP Wallet (USDT); To: MPCard (USD).
Amount: $12-15 (including verification fee).
Phase 2: QuillBot Subscription Process
Log in to QuillBot: Visit
quillbot.com, click "Upgrade to Premium" in the top right.Select Plan:
| Plan Type | Price | Recommendation |
| :--- | :--- | :--- |
| Annual | $49.95/yr (Approx. 4.16/mo) | ⭐⭐⭐⭐⭐ |
| Semi-Annual | $39.95/6-mo | ⭐⭐⭐ |
| Monthly | $9.95/mo | ⭐⭐ |
Go to Payment: Choose the best plan (Annual recommended), click "Get Started" or "Upgrade Now".
Phase 3: Filling Payment Information
Navigation: Select "Credit Card" and fill in payment details.
MPCard Details (Source:
MPChat App→MPCard→Card Details):Card Number: 16-digit virtual card numberExpiration Date: MM/YYCVV Code: 3-digit security codeName on Card: Pinyin name recommended
Billing Address (Critical Step):
Country: United StatesUse a US address generator. Example format:
Plaintext
Address Line 1: 3456 Grammar Street City: Chicago State: IL ZIP Code: 60601
Verification & Activation
Instant Verification: QuillBot will perform a small verification hold (refunded immediately) to verify card validity and address.
Service Activation: Premium features activate immediately. Status will show as "Premium Active".
Functionality Check: Test paraphrasing premium modes, grammar checker, and plagiarism checker permissions.
QuillBot Premium Core Features
Feature | Free Version | Premium |
Paraphrasing Modes | 2 Modes | 7 Modes |
Word Limit | 125 Words | 6000 Words |
Grammar Checker | ❌ | ✅ |
Plagiarism Checker | ❌ | ✅ (20 Pages/Mo) |
Mode Recommendations | ❌ | ✅ |
Troubleshooting Guide
Common Payment Failures
Region Detection: Ensure you are using a US Residential IP.
Address Issues: Use a detailed and realistic US address.
Risk Control: Ensure MPCard balance is sufficient (≥ $12).
Abnormal Status Handling
Charged but not Active: Wait 5-10 mins and refresh; check confirmation email; contact QuillBot support.
Restricted Access: Clear browser cache and relogin; try a different browser; check subscription expiry.
Subscription Management Guide
Account Management: Profile Settings →
Subscription. Download receipts and adjust plans on the Billing page.Renewal & Cancellation: Auto-renewal is on. To stop:
Settings→Billing→Cancel Subscription. Important: Access remains until the end of the paid cycle.
Cost Optimization Tips
Annual Plan: Save nearly 60% with annual billing.
Education: Students can verify an EDU email for discounts.
Teams: Discounts available for 5+ users.
Security, Usage Tips & Key Features
Security: Set a $12 spending limit; enable 2FA; regularly check devices.
Tips: Combine 7 paraphrasing modes for best results; use advanced grammar checks for high-quality writing.
Key Features: Fluency mode, Formal mode (academic/business), Creative mode, Shorten/Expand modes.
By following this guide, you can successfully upgrade to QuillBot Premium via MPChat. The process is straightforward, but ensure the "Trio Consistency" (US IP + US Card + US Address).