How does Warnvo scan bills?

Take a photo of any bill — hotel, medical, restaurant, contractor — and Warnvo's AI analyzes it in seconds. It identifies overcharges, junk fees, and illegal charges, then generates a ready-to-send dispute letter.

What languages does Warnvo support?

Warnvo works in 95 languages. You can scan bills in any language — Japanese, Arabic, Spanish, Portuguese, French, German, Thai, and 87 more — and receive results in your preferred language.

Can Warnvo detect scam texts and emails?

Yes. Warnvo's Scam Detector analyzes text messages, emails, and phishing links before you click. It catches fake FedEx texts, fake bank alerts, IRS scams, and smishing attempts.

Is Warnvo different from ChatGPT?

Yes. Warnvo is trained specifically on consumer protection law — not general knowledge. It knows the specific laws, regulations, and consumer rights that apply to your situation, and generates legally-grounded dispute letters you can actually send.

How much does Warnvo cost?

Warnvo offers a free tier with 3 scans per day. Pro is $19.99/month or $149.99/year for unlimited scans. Family Shield covers up to 6 people for $14.99/month.

Can Warnvo help with medical bills?

Yes. Warnvo's Medical Bill Analyzer identifies billing errors, upcoding, duplicate charges, and services never rendered. It generates a dispute letter referencing the specific billing codes and regulations that apply.

Warnvo — ShieldEngine™ Consumer Protection | Scan Bills & Fight Fraud

Scan Any Bill. Catch Junk Fees. Generate Dispute Letters Instantly.

Warnvo is the world's first AI consumer protection app. Snap a photo of any bill — hotel, medical, restaurant, contractor, auto repair — and Warnvo's AI analyzes every line item in seconds. It flags overcharges, junk fees, and illegal charges, then generates a ready-to-send dispute letter. Works in 95 languages across any country.

34 Specialized AI Tools for Consumer Protection

Hotel Bill Analyzer, Medical Bill Checker, Restaurant Receipt Scanner, Auto Repair Bill Analyzer, Contractor Bill Checker, Scam Detector, SMS Scam Detector, Phishing Email Detector, QR Code Scanner, Lease Analyzer, Bank Fee Analyzer, Insurance Claim Analyzer, Medicare Bill Checker, Paycheck Stub Analyzer, Credit Report Analyzer, Student Loan Analyzer, Gig Worker Fee Analyzer, HOA Fee Analyzer, Utility Bill Checker, Security Deposit Dispute, Prescription Price Checker, Timeshare Exit Advisor, Crypto Scam Detector, Dark Pattern Detector, Fake Job Offer Detector, Subscription Tracker, Negotiation Script Generator, Price Drop Tracker, Return Policy Analyzer, Warranty Tracker, Tip Fraud Detector, Delivery Scam Detector, Before You Sign Contract Analyzer, Junk Fee Calculator.

How Warnvo Works

Step 1: Take a photo of your bill or paste the text. Step 2: Warnvo's AI analyzes every line item against fair market rates and consumer protection law. Step 3: Get a full report flagging suspicious charges. Step 4: Download a ready-to-send dispute letter referencing the exact laws that protect you.

Works in Any Language, Any Country

Warnvo reads bills in Japanese, Spanish, French, German, Portuguese, Italian, Arabic, Thai, Chinese, Korean, and 85 more languages. Whether you're disputing a hotel fee in Tokyo, a restaurant charge in Rome, or a medical bill in the United States, Warnvo applies local market benchmarks and the consumer protection laws that apply to your situation.

Pricing

Free tier: 3 scans per day. Pro plan: $19.99/month or $149.99/year for unlimited scans and dispute letters. Family Shield: $14.99/month for up to 6 family members. Business plan available for teams.

Dispute Hotel Bills, Medical Bills, and More

Hotel junk fees — resort fees, destination fees, amenity fees — are among the most common consumer complaints. Warnvo's Hotel Bill Analyzer flags every suspicious charge and generates a dispute letter you can hand to the front desk or send to the hotel's billing department. Medical bill errors affect 1 in 5 patients. Warnvo's Medical Bill Checker identifies upcoding, duplicate charges, and services never rendered.

Legal

Terms of Service

Last updated: April 15, 2026Effective: April 15, 2026

These Terms of Service govern your access to and use of the Warnvo platform, website, and services operated by Warnvo LLC, a Wyoming limited liability company. By creating an account or using the Service, you agree to be bound by these Terms.

1. The Service

✓Warnvo provides a consumer protection platform powered by ShieldEngine™ that analyzes bills, receipts, contracts, and other documents to identify potential overcharges, hidden fees, scams, and consumer rights issues.
✓The Service also generates dispute filings and provides educational guidance on consumer protection.
✓Important: Warnvo is not a law firm. The Service does not constitute legal advice.
✓Dispute filings and analysis results are generated for informational purposes only. Always consult a qualified attorney for legal advice specific to your situation.

2. Eligibility

You must be at least 18 years old to use the Service. By using the Service, you represent that you are 18 or older and have the legal capacity to enter into these Terms.

3. Account Registration

✓Provide accurate and complete registration information
✓Keep your password confidential and notify us immediately of any unauthorized access
✓Be responsible for all activity that occurs under your account
✓We reserve the right to suspend or terminate accounts that violate these Terms.

4. Subscription Plans and Payment

✓Free plan: limited scans and features as described on the pricing page
✓Pro plan: $19.99/month or equivalent annual rate
✓Family plan: $14.99/month or equivalent annual rate
✓Traveler plan: $24.99/month
✓Pro Business plan: $79/month or equivalent annual rate
✓Agency plan: $99/month or equivalent annual rate
✓All prices are in USD. Prices may change with 30 days notice.
✓Subscriptions automatically renew unless cancelled before the renewal date.
✓You may cancel at any time through your account settings.
✓No refunds are provided for partial billing periods except where required by law.

5. Acceptable Use

✓Do not use the Service for any unlawful purpose
✓Do not upload documents containing malware or malicious code
✓Do not attempt to reverse engineer, decompile, or extract the Service's source code or AI models
✓Do not use automated tools to scrape, crawl, or extract data from the Service
✓Do not impersonate another person or entity
✓Do not upload documents belonging to others without authorization
✓Do not use the Service to harass, threaten, or harm others
✓We reserve the right to suspend or terminate your access for violations of these terms.

6. Intellectual Property

✓Warnvo and ShieldEngine™ are trademarks of Warnvo LLC.
✓All content, software, and technology comprising the Service is owned by Warnvo LLC or its licensors and is protected by intellectual property laws.
✓You may not copy, modify, distribute, or create derivative works from the Service without our written permission.
✓You retain ownership of documents and content you upload. By uploading content, you grant Warnvo a limited license to process and analyze your content solely to provide the Service to you.

7. Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED. WARNVO DOES NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE, OR THAT RESULTS WILL BE ACCURATE OR COMPLETE. SCAN RESULTS, DISPUTE FILINGS, AND ANALYSIS ARE PROVIDED FOR INFORMATIONAL PURPOSES ONLY AND DO NOT CONSTITUTE LEGAL, FINANCIAL, OR PROFESSIONAL ADVICE.

8. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, WARNVO LLC AND ITS OFFICERS, DIRECTORS, EMPLOYEES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING FROM YOUR USE OF THE SERVICE. IN NO EVENT SHALL WARNVO'S TOTAL LIABILITY TO YOU EXCEED THE AMOUNT YOU PAID TO WARNVO IN THE 12 MONTHS PRECEDING THE CLAIM.

9. Indemnification

You agree to indemnify and hold harmless Warnvo LLC and its officers, directors, employees, and agents from any claims, damages, losses, or expenses (including reasonable attorneys' fees) arising from your use of the Service, your violation of these Terms, or your violation of any third-party rights.

10. Governing Law and Disputes

✓These Terms are governed by the laws of the State of Wyoming, without regard to conflict of law principles.
✓Any dispute arising from these Terms or the Service shall be resolved through binding arbitration administered by the American Arbitration Association under its Consumer Arbitration Rules, except that either party may seek injunctive relief in court for intellectual property violations.
✓CLASS ACTION WAIVER: You agree to resolve disputes with Warnvo on an individual basis only. You waive any right to participate in a class action lawsuit or class-wide arbitration.

11. Changes to Terms

We may update these Terms from time to time. We will notify you of material changes by email or through the Service. Your continued use after the effective date constitutes acceptance of the updated Terms.

12. Termination

You may delete your account at any time through your account settings. We may suspend or terminate your access for violations of these Terms, with or without notice. Upon termination, your right to use the Service ceases immediately.

13. Contact

For questions about these Terms, contact us at: Warnvo LLC · [email protected] · warnvo.com

Questions about this policy? Email us at Contact us