Terms of Service

Stella is a Chrome browser extension designed to help users scan, extract, and organize invoice data from their Gmail accounts. The Service provides the following functionality:

• Automated scanning of Gmail emails to identify invoices and bills
• AI-powered extraction of invoice data including vendor names, amounts, dates, and other relevant fields
• Export capabilities to Google Sheets for data organization and analysis
• PDF attachment processing and data extraction (Pro plan)
• Vendor management and categorization
• Scheduled automatic scanning (Pro plan)

The Service operates as a client-side browser extension with secure cloud processing. We access your Gmail data solely through Google's official OAuth 2.0 authentication system and only with your explicit permission.

To use Stella, you must:

• Age Requirement: Be at least 16 years of age. If you are under 18, you confirm that you have obtained parental or guardian consent to use the Service.
• Google Account: Have a valid Google account with access to Gmail.
• Browser Compatibility: Use a compatible version of Google Chrome or Chromium-based browser that supports Manifest V3 extensions.
• Legal Capacity: Have the legal capacity to enter into a binding agreement under applicable law.
• Compliance: Agree to comply with these Terms and all applicable laws and regulations.

By using the Service, you represent and warrant that you meet all eligibility requirements. We reserve the right to refuse service, terminate accounts, or cancel subscriptions at our discretion if we reasonably believe you do not meet these requirements.

3.1 Google OAuth Authentication

Stella uses Google OAuth 2.0 for secure authentication. When you connect your Google account:

• You authorize Stella to access specific Gmail data necessary for the Service's functionality
• We never see, store, or have access to your Google password
• OAuth tokens are stored securely and encrypted
• You can revoke access at any time through your Google Account security settings

3.2 Account Security

You are responsible for:

• Maintaining the security of your Google account and any devices used to access the Service
• All activities that occur under your account
• Immediately notifying us of any unauthorized use or security breach

3.3 Data Permissions

The Service requires read-only access to your Gmail messages to scan for invoices. We request only the minimum permissions necessary to provide the Service. Detailed information about data handling is available in our Privacy Policy.

Stella offers the following subscription plans:

Pricing Changes: We reserve the right to modify pricing with at least 30 days' notice. Price changes will not affect your current billing period and will only apply upon renewal. Existing subscribers will be notified via email before any price changes take effect.

Plan Limits: Usage limits reset at the beginning of each billing cycle. Unused allowances do not roll over to subsequent periods.

5.1 Payment Processor

All payments are processed securely through Paddle, our authorized Merchant of Record. Paddle handles all payment processing, invoicing, VAT/tax collection, and compliance on our behalf. When you make a purchase, you are entering into an agreement with Paddle for payment processing.

5.2 Billing

• Pro subscriptions are billed monthly in advance
• All prices are displayed in Euros (EUR) and include applicable VAT for EU customers
• Paddle may display prices in your local currency for convenience
• Invoices are provided by Paddle and sent to your registered email address

5.3 Payment Methods

Paddle accepts various payment methods including major credit cards, PayPal, and other regional payment methods. The available payment methods may vary based on your location.

5.4 Failed Payments

If a payment fails, Paddle will attempt to process the payment again. If payment continues to fail, your subscription may be suspended or downgraded to the Free plan. You will be notified of any payment issues via email.

5.5 Taxes

Paddle, as Merchant of Record, is responsible for calculating and collecting applicable VAT, GST, or other sales taxes based on your location. Tax amounts will be clearly displayed during checkout.

6.1 How to Cancel

You may cancel your Pro subscription at any time through:

• The subscription management section in the Stella extension
• The Paddle customer portal (link provided in your billing emails)
• Contacting us at hello@stillkettle.com

6.2 Effect of Cancellation

• Your subscription will remain active until the end of your current billing period
• After the billing period ends, your account will be downgraded to the Free plan
• You will retain access to your previously scanned data
• No partial refunds are provided for unused time in the current billing period (except as required by law or our money-back guarantee)

6.3 Reactivation

You may reactivate your Pro subscription at any time. Your previous settings and data (subject to our data retention policies) will be restored upon reactivation.

7.1 Eligibility

• Available for first-time Pro subscribers only
• Refund request must be made within 14 days of the initial subscription purchase
• Not applicable to subscription renewals

7.2 How to Request a Refund

To request a refund under this guarantee, contact us at hello@stillkettle.com with your account email and reason for the refund request. We aim to process refunds within 5-10 business days.

7.3 Refund Processing

Approved refunds will be processed through Paddle to your original payment method. The time for the refund to appear in your account depends on your payment provider and may take up to 10 business days.

When using Stella, you agree NOT to:

• Use the Service for any illegal purpose or in violation of any applicable laws
• Attempt to gain unauthorized access to other users' accounts or data
• Reverse engineer, decompile, or disassemble any part of the Service
• Use automated systems or bots to access the Service beyond its intended functionality
• Circumvent or attempt to circumvent usage limits or access controls
• Share your account credentials or allow others to access your account
• Use the Service to collect data from emails you do not have authorization to access
• Interfere with or disrupt the Service or servers connected to the Service
• Upload or transmit viruses, malware, or other harmful code
• Use the Service in a way that could damage, disable, or impair the Service
• Resell, sublicense, or commercially exploit the Service without our written consent
• Violate Google's Terms of Service or Gmail policies

Violation of this Acceptable Use Policy may result in immediate suspension or termination of your account without refund.

9.1 Our Intellectual Property

The Service, including but not limited to its software, code, design, graphics, logos, user interface, and documentation, is owned by Still Kettle and protected by copyright, trademark, and other intellectual property laws. The Stella name, logo, and all related marks are trademarks of Still Kettle.

9.2 License Grant

Subject to these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to use the Service for your personal or internal business purposes. This license does not include the right to:

• Modify, copy, or create derivative works of the Service
• Sublicense, sell, or transfer the Service to third parties
• Use the Service for competitive analysis or to build a competing product

9.3 Your Data

You retain all ownership rights to your data. By using the Service, you grant us a limited license to process your data solely for the purpose of providing the Service to you. We do not claim ownership of any data you process through the Service.

10.1 Service Provided "As Is"

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT.

10.2 No Guarantee of Accuracy

We do not guarantee 100% accuracy in data extraction. The Service uses AI and machine learning technologies that may occasionally produce errors, misread data, or fail to extract information correctly. You acknowledge that:

• Extracted data should be verified before being used for financial, legal, or other important decisions
• The Service is intended as a productivity tool, not a replacement for professional accounting or legal services
• Results may vary based on email format, invoice structure, and image quality

10.3 Third-Party Services

The Service integrates with third-party services including Google (Gmail, Sheets) and Paddle (payments). We are not responsible for the availability, accuracy, or reliability of these third-party services.

10.4 No Professional Advice

The Service does not provide accounting, tax, legal, or financial advice. Any data processed through the Service should not be considered a substitute for professional advice. Always consult qualified professionals for financial and legal matters.

11.1 Exclusion of Damages

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL STILL KETTLE, ITS DIRECTORS, EMPLOYEES, PARTNERS, AGENTS, SUPPLIERS, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING WITHOUT LIMITATION:

• Loss of profits, revenue, or data
• Business interruption
• Cost of substitute services
• Inaccurate data extraction results
• Unauthorized access to or alteration of your data

11.2 Cap on Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, OUR TOTAL LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE SHALL NOT EXCEED THE GREATER OF: (A) THE AMOUNT YOU PAID TO US FOR THE SERVICE IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR (B) ONE HUNDRED EUROS (€100).

11.3 Exceptions

The limitations in this section do not apply to: (a) liability arising from our gross negligence or willful misconduct; (b) death or personal injury caused by our negligence; (c) fraud or fraudulent misrepresentation; or (d) any other liability that cannot be excluded or limited under applicable law, including mandatory consumer protection laws in your jurisdiction.

12.1 Right of Withdrawal (14-Day Cooling-Off Period)

Under the EU Consumer Rights Directive (2011/83/EU), you have the right to withdraw from your purchase within 14 days of subscribing, without giving any reason. To exercise this right, you must inform us of your decision by a clear statement (e.g., email to hello@stillkettle.com).

12.2 Exception for Digital Content

If you have started using the Service during the withdrawal period, you acknowledge that:

• You have expressly consented to the immediate performance of the Service
• You acknowledge that you lose your right of withdrawal once the Service has been fully performed
• If you withdraw before full performance, you may be required to pay for the Service provided up to the point of withdrawal

Despite the above, our 14-day money-back guarantee provides protection beyond the statutory minimum.

12.3 Consumer Guarantees

Nothing in these Terms affects your statutory rights as a consumer under EU law, including rights under the Consumer Sales Directive and Digital Content Directive. These rights cannot be waived or limited by contract.

12.4 Model Withdrawal Form

To withdraw from your contract, you may use the following text (not mandatory): "I hereby give notice that I withdraw from my contract for the provision of Stella Pro subscription service. Ordered on [date]. Name: [your name]. Email: [your email]. Date: [today's date]." Send to: hello@stillkettle.com

These Terms shall be governed by and construed in accordance with the laws of Hungary, without regard to conflict of law principles.

For consumers residing in the EU, you will benefit from any mandatory provisions of the law of the country in which you are resident. Nothing in these Terms, including the choice of law provision, affects your rights as a consumer to rely on such mandatory provisions of local law.

Any disputes shall be subject to the exclusive jurisdiction of the courts of Budapest, Hungary, except where consumers are entitled under applicable law to bring proceedings in their country of residence.

14.1 Informal Resolution

Before initiating any formal dispute resolution, you agree to first contact us at hello@stillkettle.com to attempt to resolve the dispute informally. We will attempt to resolve any disputes within 30 days of receipt.

14.2 EU Online Dispute Resolution (ODR)

Our email address for ODR purposes is: hello@stillkettle.com

Neither party shall be liable for any failure or delay in performing its obligations under these Terms if such failure or delay results from circumstances beyond the reasonable control of that party, including but not limited to:

• Acts of God, natural disasters, or extreme weather events
• War, terrorism, riots, or civil unrest
• Government actions, laws, or regulations
• Epidemics or pandemics
• Power failures or internet outages beyond our control
• Third-party service failures (including Google or Paddle outages)
• Cyber attacks or security breaches affecting infrastructure providers

The affected party shall promptly notify the other party of such circumstances and shall use reasonable efforts to minimize the impact and duration of any such event.

If any provision of these Terms is held to be invalid, illegal, or unenforceable by a court of competent jurisdiction:

• That provision shall be modified to the minimum extent necessary to make it valid, legal, and enforceable while preserving its original intent
• If modification is not possible, the provision shall be severed from these Terms
• All other provisions of these Terms shall remain in full force and effect
• The invalidity of any provision in one jurisdiction shall not affect its validity in other jurisdictions

We reserve the right to modify these Terms at any time. When we make changes:

• Material Changes: We will provide at least 30 days' notice before material changes take effect, via email and/or prominent notice within the Service
• Non-Material Changes: Minor changes may be made without prior notice, with the updated Terms posted on our website
• Effective Date: All changes will include a new "Last Updated" date at the top of these Terms

Your continued use of the Service after changes become effective constitutes acceptance of the revised Terms. If you do not agree with any changes, you must stop using the Service and cancel your subscription before the changes take effect.

We encourage you to periodically review these Terms to stay informed of updates. Previous versions of the Terms may be requested by contacting us.

If you have any questions, concerns, or requests regarding these Terms, please contact us:

We aim to respond to all inquiries within 5 business days.