Terms of Service
Last Updated: 16 November 2025
Introduction
Welcome to Sairina Science ("we," "our," or "us"). These Terms of Service ("Terms") govern your use of the Sairina Science GCSE flashcard study application (the "App" or "Service").
By using the App, you agree to these Terms. If you do not agree, please do not use the App.
If you have any questions, please contact us at: [YOUR-EMAIL@example.com]
Quick Summary
What this means for you:
✅ Free to use - No payment required
✅ Educational purpose - Use for studying GCSE Science
✅ Your data is yours - Export and own your study progress
✅ No guarantees - Content provided "as is"
✅ Respectful use - Don't abuse or misuse the service
✅ UK law applies - Governed by UK law
Please read the full Terms below for complete details.
1. Acceptance of Terms
1.1 Agreement to Terms
By accessing or using the Sairina Science app, you agree to be bound by these Terms of Service and our Privacy Policy.
1.2 Age Requirements
You must:
Be at least 13 years old to use this AppIf under 16, have parental or guardian consentIf under 13, have your parent/guardian use the App with youParents/Guardians:
If your child is using this App, you are responsible for monitoring their use and agreeing to these Terms on their behalf.
1.3 Changes to Terms
We may modify these Terms at any time. Continued use of the App after changes means you accept the new Terms.
We will notify you of major changes by:
Updating the "Last Updated" date at the topDisplaying a banner in the App (for significant changes)Posting on our website
2. Description of Service
2.1 What Sairina Science Provides
Sairina Science is a free educational flashcard application for GCSE students studying:
- Physics
- Biology
- Chemistry
2.2 Features
The App includes:
Flashcard study mode (question/answer cards)Multiple choice question (MCQ) modeSpaced repetition system (Leitner box method)Progress tracking and statisticsExport/import of study progressMobile swipe gesturesReview due cards feature2.3 Service Availability
The Service is provided:
Free of charge (currently)"As is" without warrantySubject to availability (may have downtime)Subject to change (features may be added/removed)We reserve the right to:
Modify or discontinue the Service at any timeChange features without noticeTemporarily suspend access for maintenance
3. User Responsibilities
3.1 Acceptable Use
You agree to use the App only for:
✅ Educational purposes✅ Personal study and revision✅ GCSE exam preparation✅ Learning science concepts3.2 Prohibited Activities
You agree NOT to:
❌ Misuse the Service:
Use bots, scripts, or automated toolsAttempt to hack, reverse engineer, or decompile the AppOverload or disrupt the Service (e.g., denial of service attacks)Bypass rate limiting or security measures❌ Violate Intellectual Property:
Copy, reproduce, or redistribute the content without permissionSell or commercially exploit the questions/answersCreate derivative works based on our content❌ Harmful Activities:
Use the App for any illegal purposeViolate any applicable laws or regulationsHarm other users or the Service❌ Commercial Use:
Use the App for commercial purposes without written permissionResell access to the AppUse content in commercial educational products3.3 Consequences of Violation
If you violate these Terms, we may:
Suspend or terminate your accessReport illegal activity to authoritiesTake legal action if necessary
4. Intellectual Property
4.1 Our Content
We own or have licensed:
All questions and answers in the AppThe App's design, code, and functionalityThe Sairina Science name and brandingAll graphics, text, and materialsProtection:
All content is protected by UK and international copyright law.
4.2 Your Content
You own:
Your study progress data (stored locally in your browser)Exported backup filesYou grant us:
No rights to your personal data - we don't collect or store it!
4.3 License to Use
We grant you a limited, non-exclusive, non-transferable, revocable license to:
Access and use the App for personal, non-commercial purposesStudy the educational contentExport your own study progressYou may NOT:
Sublicense, sell, or transfer this licenseUse content outside the App without permissionCreate commercial products based on our content
5. Content Accuracy and Educational Disclaimer
5.1 Content Accuracy
We strive for accuracy, but:
Content is provided "as is"We do not guarantee 100% accuracyScience knowledge evolves - content may become outdatedErrors may exist despite our best effortsYou should:
Verify information with official GCSE textbooksConsult your teacher if unsureUse multiple study resourcesNot rely solely on this App for exam preparation5.2 Not a Substitute for Official Materials
This App is supplementary to:
Official GCSE curriculum materialsTeacher instructionApproved textbooksExamination board resourcesWe are NOT:
An official GCSE examination boardEndorsed by AQA, Edexcel, OCR, or WJECA replacement for classroom teachingResponsible for exam outcomes5.3 Educational Use Only
This App is designed for:
Self-study and revisionSupplementing classroom learningPractice and reinforcementNot suitable for:
Professional or commercial useMedical, scientific, or technical decisionsPublication or academic citation
6. Limitation of Liability
6.1 No Warranty
THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT ANY WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED.
We do NOT warrant that:
The App will be error-free or uninterruptedContent is accurate or up-to-dateThe App will meet your requirementsData will not be lostResults will be achieved (e.g., exam success)6.2 Limitation of Damages
TO THE MAXIMUM EXTENT PERMITTED BY LAW, WE ARE NOT LIABLE FOR:
❌ Exam-Related:
Exam failures or poor gradesMissed questions or incorrect answersReliance on inaccurate content❌ Data-Related:
Loss of study progress or dataFailure to back up dataBrowser data deletion❌ Technical Issues:
App downtime or unavailabilityBugs, errors, or crashesCompatibility issues with your device❌ Indirect Damages:
Lost time or productivityEmotional distressConsequential or incidental damages6.3 Maximum Liability
Our maximum liability is limited to:
- £0 (zero pounds) - The App is free
If you paid for any features:
Amount you paid in the last 12 months6.4 Essential Basis
These limitations are an essential basis of our agreement. Without these limitations, we could not offer the App for free.
7. Data and Privacy
7.1 Privacy Policy
Your use of the App is also governed by our Privacy Policy.
Key points:
We don't collect personal informationYour study progress is stored locally in your browserYou control your data (export, delete anytime)Third parties: Sentry (error tracking), Railway (hosting)7.2 Your Data Responsibilities
You are responsible for:
Backing up your study progress regularly (using Export feature)Securing your device (password/PIN)Not sharing your device with untrusted personsClearing data if selling/sharing your deviceWe are NOT responsible for:
Data loss due to browser cache clearingData loss due to device loss or theftFailure to back up data7.3 Data Deletion
You can delete all your data by:
1. Clicking "Clear All Progress" in the App
2. Clearing your browser's localStorage
3. Uninstalling the App
This action is permanent and cannot be undone.
8. Service Availability and Modifications
8.1 No Guarantee of Availability
We do NOT guarantee that:
The App will always be availableThere will be no downtimeService will be uninterruptedReasons for downtime may include:
Scheduled maintenanceServer issuesThird-party service failures (Railway, Sentry)Technical problems8.2 Maintenance and Updates
We may:
Take the App offline for maintenanceUpdate the App without noticeFix bugs and improve featuresAdd or remove functionalityWe will try to:
Minimize downtimeGive advance notice for major changesPerform maintenance during low-usage hours8.3 Service Modifications
We reserve the right to:
Add new featuresRemove existing featuresChange the App's design or functionalityIntroduce paid features (currently free)If we introduce paid features:
Current free features will remain freeYou'll be notified in advanceYou can choose not to upgrade8.4 Discontinuation of Service
We may discontinue the Service at any time:
With or without noticeFor any reason or no reasonTemporarily or permanentlyIf we discontinue:
We'll try to give 30 days' noticeYou can export your data before shutdownNo refunds (Service is free)
9. Termination
9.1 Termination by Us
We may suspend or terminate your access if:
You violate these TermsYou engage in abusive behaviorYou attempt to hack or damage the ServiceRequired by lawAt our sole discretionTermination may be:
Immediate and without noticeTemporary (suspension) or permanent (ban)9.2 Termination by You
You may stop using the App at any time by:
Simply not accessing the AppClearing your browser dataUninstalling the App (if installed as PWA)No notice required.
9.3 Effect of Termination
Upon termination:
Your license to use the App ends immediatelyYour locally stored data remains (unless you clear it)These Terms survive termination where applicableSections that survive termination:
Intellectual Property (Section 4)Limitation of Liability (Section 6)Governing Law (Section 11)
10. Third-Party Services
10.1 Third-Party Dependencies
The App uses third-party services:
Sentry (Error Tracking):
Purpose: Monitor and fix errorsPrivacy: https://sentry.io/privacy/Terms: https://sentry.io/terms/Railway (Web Hosting):
Purpose: Host the AppPrivacy: https://railway.app/legal/privacyTerms: https://railway.app/legal/terms10.2 No Endorsement
We do not endorse or control third-party services.
You agree:
Their terms and policies applyWe're not liable for their actionsThey may change or discontinue at any time10.3 Links to External Sites
The App may contain links to external websites (e.g., official GCSE resources).
We are NOT responsible for:
Content on external sitesPrivacy practices of external sitesAccuracy of external informationUse external links at your own risk.
11. Governing Law and Jurisdiction
11.1 Governing Law
These Terms are governed by the laws of England and Wales, United Kingdom.
Why UK law:
GCSE is a UK qualificationApp is designed for UK studentsHosted in UK/EU11.2 Jurisdiction
Disputes will be handled in:
Courts of England and WalesFor EU residents: Your local courts may also have jurisdiction (under EU consumer protection laws)11.3 Dispute Resolution
If you have a complaint:
1. Email us at [YOUR-EMAIL@example.com]
2. We'll try to resolve within 30 days
3. If unresolved, you may pursue legal action
For EU residents:
You may use the EU Online Dispute Resolution platform: https://ec.europa.eu/consumers/odr/
12. Miscellaneous
12.1 Entire Agreement
These Terms, together with our Privacy Policy, constitute the entire agreement between you and Sairina Science.
These Terms replace:
Any prior agreementsAny oral or written representationsAny other understandings12.2 Severability
If any part of these Terms is found to be invalid or unenforceable:
The rest of the Terms remain in effectThe invalid part will be modified to be enforceableOther sections are not affected12.3 Waiver
Our failure to enforce any right or provision does NOT mean:
We waive that rightWe won't enforce it in the futureIt's no longer validAll rights reserved.
12.4 Assignment
You may NOT:
Transfer these Terms to anyone elseAssign your rights or obligationsWe may:
Transfer these Terms to a successorAssign our rights if the App is sold or transferred12.5 Force Majeure
We are not liable for failure to perform due to circumstances beyond our control:
Natural disastersWar or terrorismInternet outagesGovernment actionsActs of God12.6 No Partnership
These Terms do not create:
A partnership between you and usAn employment relationshipAn agency relationshipA joint venture12.7 Headings
Section headings are for convenience only and do not affect interpretation.
13. Contact Information
13.1 General Questions
For questions about these Terms:
Email: [YOUR-EMAIL@example.com]
Subject: "Terms of Service Question - Sairina Science"
13.2 Legal Notices
For legal notices or complaints:
Email: [YOUR-EMAIL@example.com]
Subject: "Legal Notice - Sairina Science"
13.3 Response Time
We will respond to:
General questions: Within 30 daysLegal notices: Within 14 daysUrgent issues: Within 72 hours
14. Special Terms for Students
14.1 For Students
You should:
Use the App responsiblyDon't share login information (if we add accounts later)Ask a teacher if you find incorrect contentUse multiple study resources (don't rely only on this App)You should NOT:
Share your device with strangersUse the App during exams (that's cheating!)Copy content for homework without citing sources14.2 For Parents/Guardians
If your child is using this App:
You can review their study progress (it's visible in the App)You can export their data to see what they're studyingYou can delete all data if neededYou're responsible for monitoring their useThis App is safe because:
No personal information collectedNo communication features (no chat or messaging)No advertisingEducational content only
15. Summary of Key Points
What you can do:
✅ Use the App for studying GCSE Science✅ Export and own your study progress✅ Use on multiple devices (but data is per-browser)✅ Stop using at any timeWhat you can't do:
❌ Copy or redistribute our content❌ Use for commercial purposes❌ Hack or abuse the Service❌ Rely solely on this App for examsWhat we provide:
✅ Free educational flashcard app✅ GCSE Science content✅ Spaced repetition system✅ Progress trackingWhat we don't guarantee:
❌ 100% accuracy of content❌ Exam success❌ Always-available service❌ Data backup (you must export)Your rights:
✅ Export your data✅ Delete your data✅ Stop using at any time✅ Complain if you have issuesOur rights:
✅ Modify or discontinue the Service✅ Terminate access for violations✅ Update these Terms✅ Change features
16. Legal Disclaimer
IMPORTANT - PLEASE READ:
This Terms of Service is provided for informational and contractual purposes. By using this App, you acknowledge that you have read, understood, and agree to be bound by these Terms.
If you do not agree to these Terms, you must not use the App.
Effective Date: 16 November 2025
Thank you for using Sairina Science! We're here to help you succeed in your GCSE Science studies.
*These Terms of Service comply with UK Consumer Rights Act 2015, Unfair Contract Terms Act 1977, and applicable EU consumer protection laws.*