Bring back simple apps!
Remember when apps were supposed to make our lives easier? Solstice harkens back to that time. No subscriptions, extraneous notifications, or bloat! More developers should take note!
Free
About
Track your intermittent fasting with biological precision and a clean, clutter-free design. Monitor metabolic stages and build consistent habits without subscriptions or paywalls. Offers elegant timers, visual progress tracking, and privacy-focused, on-device data storage.
✓Elegant circular timer with tactile adjustments
✓5 metabolic fasting stages tracking
✓Flexible and customizable fasting protocols
✓Visual calendar heatmap for consistency
✓Solar and dark mode themes
✓100% private and on-device data
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What's New in Solstice
1.0
September 10, 2026
User reviews
FAQ
Does Solstice have ads?
No, Solstice is completely ad-free. The app is designed with a focus on privacy and a clutter-free user experience, ensuring no advertisements interfere with your tracking.
What fasting protocols does Solstice support?
Solstice supports popular protocols like 16:8, 18:6, 20:4 (Warrior), 14:10, and 23:1 (OMAD). You can also customize your own fasting schedule to fit your needs.
How does Solstice track metabolic stages?
Solstice monitors your fasting progress to estimate when your body enters key metabolic stages, including Blood Sugar Reset, Glycogen Depletion, Fat Burning, Autophagy, and Deep Ketosis.
Is my health data private with Solstice?
Yes, Solstice is 100% private and operates entirely on-device. No account is required, and your health data is not shared or tracked, ensuring maximum privacy.
Can I see my fasting consistency with Solstice?
Solstice features a visual calendar heatmap that provides a glanceable monthly view of your fasting consistency, along with active streak counters to motivate your progress.
What devices does Solstice support?
Currently, Solstice is supported on iPhone devices. The app is designed to be battery-efficient and offers a clean interface for tracking.
How often is Solstice updated?
Solstice was last updated on September 10, 2026, with version 1.0. As a new release, users can anticipate future updates based on user feedback and ongoing development.
What is the rating for Solstice?
Solstice has received a perfect rating of 5.0 stars from 1 rating, indicating a highly positive initial reception from its users.