Terms of Service
Dayfast — Intermittent Fasting Tracker
Effective date: August 04, 2026 Last updated: August 04, 2026
Medical Disclaimer: Dayfast is not a medical device, diagnostic tool, or health treatment. The app and all its content are for general informational and personal tracking purposes only and do not constitute medical advice, diagnosis, or treatment. Intermittent fasting is not suitable for everyone. Consult a healthcare professional before starting a new dietary regimen — especially if you are pregnant or breastfeeding, under 18, have diabetes or blood sugar disorders, have a history of eating disorders, or take medication. If you feel unwell during a fast, stop immediately.
1. Acceptance
By downloading, installing, accessing, or using Dayfast (the "Service"), you agree to these Terms of Service ("Terms") and our Privacy Policy at https://dayfast.app/en/privacy. If you do not agree, do not use the Service.
These Terms are a legally binding agreement between you and ICI Tech Teknoloji A.Ş. ("Company", "we", "us", "our"), registered in Turkey.
2. Definitions
Service means the Dayfast iOS app, Android app, website at https://dayfast.app/, and all features. User / you means any person who accesses or uses the Service. Account means a registered user profile. Fasting Data means fasting session records, dietary notes, activity logs, progress statistics, and related personal tracking data.
3. Eligibility
To use the Service, you must be at least 18 years of age and capable of forming a legally binding contract. Intermittent fasting is not appropriate for minors.
An account is required to use Dayfast.
4. Account Registration
You agree to: provide accurate registration information; keep credentials confidential; notify us at app@icitech.com.tr of suspected unauthorized access; and maintain only one account.
5. What Dayfast Is and Is Not
Dayfast IS a personal fasting tracker designed to help you time your intermittent fasting windows, record meal and activity notes, monitor your progress, and stay motivated through reminders and streak tracking.
Dayfast IS NOT:
- A medical device or health monitoring system
- A diagnostic tool or clinical instrument
- A substitute for professional medical, nutritional, or dietary advice; a dietary therapy
- A treatment or therapy for any health condition
- A health guarantee or weight loss guarantee
Dayfast helps you track time. It does not evaluate your health, diagnose conditions, or make medical recommendations.
6. Medical and Safety Disclaimer
Please read this section carefully.
Intermittent fasting is a personal dietary practice that is not appropriate for everyone. By using Dayfast, you acknowledge and agree that:
You are solely responsible for determining whether intermittent fasting is appropriate for your personal health situation. You will consult a qualified healthcare professional before beginning or modifying an intermittent fasting regimen, particularly if you are pregnant or breastfeeding, under 18, have diabetes or blood sugar disorders, have a history of eating disorders, or are taking medication.
If you feel unwell, dizzy, faint, or experience any adverse effects during a fast, stop the fast immediately and seek medical attention if necessary.
The Company is not liable for any health outcome, adverse effect, or physical consequence resulting from your use of Dayfast or your practice of intermittent fasting. Health decisions are your sole responsibility.
7. Content Disclaimer
Fasting tips, educational content, motivational messages, and nutritional information provided in the app are for general informational purposes only. They do not constitute medical advice, nutritional therapy, or clinical recommendations. Individual health needs vary — what works for some users may not be appropriate for you. Always prioritize advice from your healthcare professional over app content.
8. Free Service
Dayfast is currently provided free of charge. We do not charge for access to the Service at this time. If we introduce paid features or subscription plans in the future, we will notify you in advance and publish separate pricing and subscription terms. Any paid features will require your explicit agreement to the applicable terms before charges are applied.
9. Acceptable Use
Use the Service for lawful personal fasting tracking and wellness purposes in accordance with these Terms and applicable law.
10. Prohibited Conduct
You agree not to: use the Service if under 18; attempt to reverse engineer or extract source code; use automated tools to interact with or scrape the Service; introduce malware or interfere with the Service; create multiple accounts to abuse any feature; violate applicable law.
11. Intellectual Property
All Company Content — including the Dayfast name, logo, app design, progress ring visuals, and software — is owned by or licensed to ICI Tech Teknoloji A.Ş. You receive a limited, non-exclusive, non-transferable, revocable licence to use the Service for personal, non-commercial purposes.
Your Fasting Data belongs to you. We process it only to provide the Service. Fasting tracking data and dietary notes are health-related and processed only with your explicit consent; you may withdraw consent via Settings → Privacy → Manage Consents.
Feedback you submit grants us a perpetual, royalty-free licence to use it without obligation.
12. Privacy
Your use is governed by our Privacy Policy at https://dayfast.app/en/privacy. For EEA/UK users, our GDPR Privacy Notice at https://dayfast.app/en/privacy/gdpr also applies.
13. Third-Party Services and Platforms
Apple App Store (iOS): These Terms are between you and ICI Tech Teknoloji A.Ş. — not Apple. Apple has no obligation to maintain or support Dayfast. Apple and its subsidiaries are third-party beneficiaries of these Terms and may enforce them against you.
Google Play (Android): Google Play is not a party to these Terms.
14. Availability and Changes
We aim for continuous availability but do not guarantee uninterrupted access. We may modify, suspend, or discontinue features with reasonable notice. We are not liable for interruptions outside our reasonable control.
15. Disclaimer of Warranties
To the maximum extent permitted by applicable law, the Service is provided "as is" without warranties including: that fasting tracking will produce any health, weight, or wellness outcome; that app content is medically accurate or appropriate for your situation; or uninterrupted operation.
16. Limitation of Liability
To the maximum extent permitted by applicable Turkish law, ICI Tech Teknoloji A.Ş. shall not be liable for: any health consequence or adverse effect from intermittent fasting; any reliance on app content as medical advice; indirect, incidental, special, consequential, or punitive damages; or any damages exceeding ₺500.
Nothing limits our liability for gross negligence, fraud, or any liability that cannot be excluded under mandatory Turkish law.
17. Termination
Delete your account via Settings → Account → Delete Account.
We may suspend or terminate access for breach of these Terms. Sections 5, 6, 7, 11, 15, and 16 survive termination.
18. Governing Law and Disputes
Governed by the laws of the Republic of Turkey, including the Turkish Code of Obligations and Law on Consumer Protection No. 6502. Disputes subject to Istanbul (Çağlayan) court jurisdiction. EEA and UK consumers retain mandatory local consumer protection rights.
19. Changes to These Terms
Material changes notified at least 14 days in advance. Current version at https://dayfast.app/en/terms.
20. Contact Us
Email: app@icitech.com.tr Subject: "Terms — Dayfast" Website: https://dayfast.app/
We respond within 5 business days.