Terms of Service

1. Acceptance of Terms

By creating an account, accessing our website, or using any of our services (including calculators, PDF tools, QR code generators, developer tools, and calibration services), you acknowledge that you have read, understood, and agree to be bound by these Terms and our Privacy Policy.

If you are using the Service on behalf of an organization, you represent and warrant that you have the authority to bind that organization to these Terms.

2. Eligibility

You must meet the following requirements to use our Service:

• Be at least 13 years of age (or the age of majority in your jurisdiction)
• Have the legal capacity to enter into a binding contract
• Not be prohibited from using the Service under applicable laws
• Provide accurate and truthful information during registration

3. User Accounts

3.1 Account Creation

To access certain features, you must create an account. You agree to:

• Provide accurate, current, and complete information
• Maintain and promptly update your account information
• Keep your password secure and confidential
• Notify us immediately of any unauthorized use of your account
• Accept responsibility for all activities that occur under your account

3.2 Account Security

You are solely responsible for:

• Safeguarding your login credentials
• All activities conducted through your account
• Notifying us of security breaches
• Logging out after each session on shared devices

4. Subscription Plans and Billing

4.1 Subscription Tiers

Irin offers four subscription tiers:

4.2 Billing and Payments

• Billing Cycle: Subscriptions are billed on a monthly recurring basis
• Payment Method: We accept major credit/debit cards via Stripe
• Automatic Renewal: Subscriptions renew automatically unless cancelled
• Price Changes: We will notify you 30 days before any price changes
• Failed Payments: Service may be suspended if payment fails after retry attempts

4.3 Refund Policy

4.4 Cancellation

You may cancel your subscription at any time through your account settings. Upon cancellation, you will retain access to premium features until the end of your current billing period. No refunds will be provided for the remaining portion of that period unless within the 7-day refund window.

5. Free Tier Services

Free tier users have access to:

• All 100+ calculators with full functionality
• Single PDF operations (one file at a time)
• Single QR code generation
• Developer tools with basic features

Limitations: Free tier may include advertisements, does not include access to batch operations, project management, history/dashboards, or calibration services.

6. Premium Services

Premium subscribers receive additional benefits:

Premium ($4.99/month)

• Ad-free experience
• QR code batch generation and project management
• PDF operation history and dashboard
• Priority customer support
• Advanced export options

Calibration ($6.99/month)

• Everything in Free
• Professional tank calibration charts (dry & wet methods)
• PDF certificate generation
• Calibration history and management

Complete ($11.99/month)

• Everything in Premium
• Professional tank calibration charts (dry & wet methods)
• PDF certificate generation with custom branding
• Calibration history and compliance audit trails
• Multiple tank management
• Dedicated support

7. Acceptable Use

You agree to use the Service only for lawful purposes and in accordance with these Terms. You agree:

• To comply with all applicable laws and regulations
• To use the Service in a manner consistent with its intended purpose
• To respect the rights of other users and third parties
• Not to interfere with or disrupt the Service or servers
• Not to attempt to gain unauthorized access to any part of the Service

8. Prohibited Activities

You may NOT:

9. User Content and Files

9.1 Your Ownership

You retain all ownership rights to files and content you upload to our Service. We do not claim ownership of your content.

9.2 License to Us

By uploading content, you grant us a limited, non-exclusive license to process, store, and transmit your content solely for the purpose of providing the Service to you.

9.3 Your Responsibilities

• You are solely responsible for your uploaded content
• You warrant that you have rights to upload and process the content
• You will not upload content that violates laws or third-party rights
• You understand that we may delete content for violations of these Terms

10. Intellectual Property Rights

The Service and its original content (excluding user content), features, functionality, and underlying software are and will remain the exclusive property of Sparse Technologies Limited and its licensors.

Our trademarks, service marks, and logos may not be used without prior written consent.

Generated Output: Calculations, converted PDFs, generated QR codes, and calibration charts created using our Service are your property, but were generated using our proprietary tools and algorithms.

11. Calibration Services (Premium Feature)

12. Disclaimers and Warranties

13. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, SPARSE TECHNOLOGIES LIMITED SHALL NOT BE LIABLE FOR:

• Indirect, incidental, special, consequential, or punitive damages
• Loss of profits, data, use, goodwill, or other intangible losses
• Damages resulting from unauthorized access to your account or content
• Damages resulting from third-party conduct or content
• Damages resulting from service interruptions or modifications

Maximum Liability: Our total liability for any claims arising from these Terms or the Service shall not exceed the amount you paid us in the 12 months prior to the claim, or $100, whichever is greater.

14. Indemnification

You agree to indemnify, defend, and hold harmless Sparse Technologies Limited, its officers, directors, employees, and agents from any claims, liabilities, damages, losses, costs, or expenses (including reasonable attorneys' fees) arising from:

• Your use or misuse of the Service
• Your violation of these Terms
• Your violation of any rights of another party
• Your content uploaded to the Service

15. Termination

15.1 By You

You may terminate your account at any time through your account settings. Upon termination, your subscription will continue until the end of the current billing period.

15.2 By Us

We may suspend or terminate your account immediately if you:

• Breach these Terms
• Engage in fraudulent or illegal activities
• Fail to pay subscription fees
• Create risk or legal exposure for us

15.3 Effect of Termination

Upon termination: (a) your right to use the Service ceases immediately, (b) we may delete your account and content within a reasonable timeframe, (c) certain provisions of these Terms will survive termination, including intellectual property rights, disclaimers, and limitations of liability.

16. Modifications to Service and Terms

We reserve the right to modify or discontinue the Service (or any part thereof) at any time, with or without notice. We will not be liable to you or any third party for any modification, suspension, or discontinuance of the Service.

We may revise these Terms from time to time. We will notify you of material changes via email or through the Service. Your continued use of the Service after changes become effective constitutes acceptance of the revised Terms.

17. Governing Law and Disputes

17.1 Governing Law

These Terms shall be governed by and construed in accordance with the laws of the Federal Republic of Nigeria, without regard to its conflict of law provisions.

17.2 Dispute Resolution

In the event of any dispute arising from these Terms:

1. You agree to first contact us to attempt to resolve the dispute informally
2. If informal resolution fails within 30 days, disputes may be submitted to mediation
3. Any legal action must be brought in the courts of Nigeria

18. General Provisions

19. Contact Information

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