Welcome to SparkFast Support
We're here to help you get the most out of your fasting journey. Whether you have questions, need technical assistance, or want to share feedback, we're happy to assist.
Email: support@sparkfast.app
Response Time: We typically respond within 24-48 hours
For the fastest response, please include:
Open SparkFast, set your eating window schedule, and tap "Start Fast" when your eating window closes. The app will track your progress automatically.
SparkFast supports all popular protocols including 16:8, 18:6, 20:4, OMAD, and custom eating windows. You can also track extended fasts (24h, 48h, 72h, and beyond).
Go to Settings > Health Sync to connect with Apple Health. SparkFast can read weight, glucose, ketones, HRV, sleep, and steps data.
Yes! You can adjust your eating window schedule anytime in Settings. Your historical data is preserved.
Simply tap "End Fast" and your progress will be saved. You can start a new fast whenever you're ready.
New users get a 7-day free trial. You won't be charged until the trial ends. Cancel anytime in your App Store subscription settings.
Go to iPhone Settings > [Your Name] > Subscriptions > SparkFast to manage, change, or cancel your subscription.
Full access to all features including fasting tracking, health data sync, SPARK charts, challenges, and future updates.
Try these steps:
Go to iPhone Settings > Notifications > SparkFast and ensure notifications are enabled.
We love hearing from our users! If you have ideas for new features or improvements, please email us at support@sparkfast.app with "Feature Request" in the subject line.
Found a bug? Please email us and share as much information as you can:
