Terms of Service

Last updated: 22 February 2026

1. Acceptance of Terms

By downloading, installing, or using the 555 Notebook mobile application and related services (the "Service"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the Service.

2. Description of Service

555 Notebook is a travel expense splitting application that allows users to:

• Create trips and invite friends to join
• Upload and scan receipts using AI-powered text extraction
• Claim individual items from shared receipts
• Track expenses and calculate fair splits
• Record settlements between trip members
• Export trip data as CSV files

3. Account Registration

To use the Service, you must create an account using a valid email address or Google Sign-In. You are responsible for:

• Providing accurate and complete registration information
• Maintaining the confidentiality of your account credentials
• All activities that occur under your account
• Notifying us immediately of any unauthorized use of your account

4. Credits and Purchases

4.1 Free Features

The following features are always free:

• Manual receipt and expense entry
• Item claiming and splitting
• Settlement tracking and balance calculation
• Editing receipts and expenses
• CSV data export
• Joining unlimited trips
• Push notifications
• Offline mode

4.2 Credit System

Certain actions require credits:

• Creating a trip — 1 credit
• Scanning a receipt with AI — 1 credit
• Duplicating a trip — 1 credit

You receive 10 free credits upon registration. Additional credits can be purchased through Google Play Billing. Credits do not expire.

4.3 Purchases and Refunds

All credit purchases are processed through Google Play. Refund requests for in-app purchases should be directed to Google Play according to their refund policies. We do not directly process payments or issue refunds.

5. Acceptable Use

You agree not to:

• Use the Service for any unlawful purpose
• Upload content that is offensive, harmful, or violates the rights of others
• Attempt to gain unauthorized access to other users' accounts or data
• Interfere with or disrupt the Service or its servers
• Upload malicious files or content designed to exploit the receipt scanning feature
• Create multiple accounts to abuse the free credit system
• Use automated tools, bots, or scripts to interact with the Service
• Reverse engineer, decompile, or disassemble any part of the Service

6. User Content

You retain ownership of the content you upload (receipt images, expense descriptions, trip names). By uploading content, you grant us a limited license to process, store, and display it as necessary to provide the Service.

You are responsible for ensuring that content you upload does not infringe on the rights of any third party.

7. AI Receipt Processing

The AI receipt scanning feature uses machine learning to extract text from receipt images. While we strive for accuracy:

• Extracted data may contain errors and should be reviewed before use
• We are not responsible for financial decisions made based on AI-extracted data
• Users should verify all amounts, items, and totals after scanning

8. Trip Management

• Trip owners can manage members, transfer ownership, settle, and archive trips
• Settled and archived trips are automatically deleted after 30 days
• Inactive trips (no activity for 90 days) may be automatically deleted
• Deleted trips and their associated data (receipts, images, expenses) cannot be recovered

9. Account Suspension and Termination

We reserve the right to suspend or terminate your account if you:

• Violate these Terms
• Engage in fraudulent or abusive behavior
• Attempt to exploit the Service or its credit system

You may delete your account at any time from the app settings. Upon deletion, your personal information is removed, but anonymized financial records in shared trips are preserved to maintain balance integrity for other members.

10. Limitation of Liability

The Service is provided "as is" and "as available" without warranties of any kind, either express or implied. To the maximum extent permitted by law:

• We are not liable for any indirect, incidental, special, or consequential damages
• We are not responsible for the accuracy of AI-extracted receipt data
• We are not liable for disputes between trip members regarding expenses or settlements
• Our total liability shall not exceed the amount you have paid for credits in the past 12 months

11. Privacy

Your use of the Service is also governed by our Privacy Policy, which describes how we collect, use, and protect your data.

12. Modifications to Terms

We may update these Terms from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the Service after changes constitutes acceptance of the revised Terms.

13. Governing Law

These Terms shall be governed by and construed in accordance with the applicable laws of the jurisdiction in which the Service operates, without regard to conflict of law principles.

14. Contact

If you have questions about these Terms, please contact us at:

Email: support@notebook555.com