Terms of Use for Decaf
Effective Date: February 17, 2026
Last Updated: February 17, 2026
Agreement to Terms
Welcome to Decaf. These Terms of Use ("Terms") govern your access to and use of the Decaf mobile application ("App"), developed and operated by Blue Sparrow ("we," "our," or "us"), an independent software developer based in India.
By downloading, installing, or using the App, you agree to be bound by these Terms. If you do not agree to these Terms, please do not use the App.
Contact Information:
- Website: https://bluesparrow.dev
- General Inquiries: info@bluesparrow.dev
- Privacy Inquiries: privacy@bluesparrow.dev
1. Description of Service
1.1 What Decaf Does
Decaf is a mobile application designed to help users track their caffeine-free journey. The App provides:
- Daily check-in functionality to track caffeine-free status
- Symptom logging and tracking (headaches, energy, mood, etc.)
- Withdrawal timeline information and educational content
- Progress analytics and pattern visualization
- Streak tracking and milestone celebrations
- Optional cloud backup functionality
1.2 What Decaf Does NOT Do
Decaf is not a medical application and does not:
- Provide medical advice, diagnosis, or treatment
- Replace consultation with professionals
- Guarantee specific outcomes
- Claim to treat caffeine addiction or withdrawal medically
2. Eligibility
2.1 Age Requirements
To use Decaf, you must be:
- At least 13 years of age in the United States
- At least 16 years of age in the European Union (or younger if permitted by your country’s laws)
- At least the age of digital consent in your jurisdiction
- Able to form a binding agreement under applicable law
2.2 Account Responsibility
If you use an optional Google sign-in / backup feature:
- You are responsible for maintaining the security of your account
- You must provide accurate account information
- You must not share your account credentials with others
3. License and Permitted Use
3.1 License Grant
Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to:
- Download and install the App on your personal mobile device
- Use the App for your personal, non-commercial purposes
- Access and use the features provided within the App
3.2 Restrictions
You agree NOT to:
- Copy, modify, or create derivative works of the App
- Reverse engineer, decompile, or disassemble the App
- Remove or alter any proprietary notices or labels
- Use the App for any commercial purpose without authorization
- Distribute, sublicense, lease, or rent the App to third parties
- Use the App in any way that violates applicable laws or regulations
- Attempt unauthorized access to the App’s systems or networks
- Introduce malicious code, viruses, or other harmful technology
- Use automated systems to extract data from the App
- Interfere with or disrupt the App’s functionality or servers
4. User Content and Data
4.1 Your Data
You retain ownership of all data you input into the App, including check-in responses, symptom logs, and notes.
4.2 Data Usage
By using the App, you grant us a limited license to:
- Process your data locally on your device to provide App functionality
- Store your data in cloud backup (only if you enable this feature)
- Use anonymized, aggregated data for App improvement
4.3 Data Accuracy
You are responsible for ensuring the accuracy of data you input. We are not liable for consequences arising from inaccurate data entry.
4.4 Data Export and Deletion
You may export or delete your data at any time through the App’s settings. Please refer to our Privacy Policy for details.
5. General Disclaimer
5.1 Not Medical Advice
IMPORTANT: Decaf is a personal habit tracking tool, NOT a medical application.
The App's features are strictly limited to:
- Personal self-tracking: Allowing you to log your own experiences during caffeine reduction
- Data visualization: Displaying charts and trends based on your self-reported data
- General educational content: Providing general information about caffeine withdrawal based on published research
The App does not:
- Provide medical advice, diagnosis, or treatment
- Offer clinical assessments or therapeutic interventions
- Replace consultation with professionals
- Use clinical algorithms to assess or diagnose any condition
- Claim to treat, cure, or manage any medical condition
5.2 Consult Professionals
- Consult a qualified professional before making significant changes to caffeine consumption
- Seek immediate medical attention if you experience severe symptoms
- Do not rely solely on the App for professional guidance
- Inform your doctor about your caffeine reduction plans
5.3 Individual Results May Vary
- Withdrawal symptoms and timelines vary between individuals
- The App’s predictions and insights are estimates
- Your experience may differ from the information provided
5.4 No Guarantees
We make no guarantees regarding the accuracy of withdrawal predictions, outcomes from quitting caffeine, or effectiveness of strategies.
6. Intellectual Property
The App and its original content, features, and functionality are owned by Blue Sparrow and protected by copyright, trademark, and other intellectual property laws.
7. Premium Features and Purchases
Certain features may require payment. Purchases are processed through the Google Play Store and subject to Google’s terms and policies.
8. Third-Party Services
The App may integrate with third-party services including Google Play Services, Google Firebase (optional sign-in, account storage, push notifications), RevenueCat (subscription management), Google Sign-In, and Google Drive (optional cloud backup). Your use of third-party services is governed by their respective terms and privacy policies.
9. Availability and Modifications
We strive to maintain availability but do not guarantee uninterrupted access. We reserve the right to modify, suspend, or discontinue aspects of the App at any time.
10. Disclaimer of Warranties
THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11. Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BLUE SPARROW BE LIABLE FOR INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES. OUR TOTAL LIABILITY SHALL NOT EXCEED THE AMOUNT YOU PAID TO US (IF ANY) IN THE 12 MONTHS PRECEDING THE CLAIM.
12. Indemnification
You agree to indemnify, defend, and hold harmless Blue Sparrow from claims arising from your use or misuse of the App or violation of these Terms.
13. Termination
You may stop using the App at any time by uninstalling it. We may suspend or terminate access for conduct that violates these Terms or is harmful.
14. Governing Law and Dispute Resolution
These Terms shall be governed by the laws of India. Before initiating formal dispute resolution, you agree to contact us to attempt informal resolution.
15. Regional Provisions
Local consumer protection laws may provide additional rights that cannot be waived. Where required, such laws apply to the extent they override these Terms.
16. General Provisions
- Entire Agreement: These Terms and the Privacy Policy constitute the entire agreement regarding use of the App
- Severability: If any provision is unenforceable, the remaining provisions remain in effect
- Headings: For convenience only
- Language: English prevails if translated
17. Changes to These Terms
We may modify these Terms at any time. We will update the "Last Updated" date, and continued use signifies acceptance.
18. Contact Information
If you have questions about these Terms, contact:
- Website: https://bluesparrow.dev
- General Inquiries: info@bluesparrow.dev
- Privacy Inquiries: privacy@bluesparrow.dev
19. Acknowledgment
By using Decaf, you acknowledge that you have read and understood these Terms of Use and agree to be bound by them.
Thank you for using Decaf. We wish you success on your caffeine-free journey.
© 2026 Blue Sparrow. All rights reserved.