Solstice: Intermittent Fasting
James Grusy Health & Fitness iPhoneiPadiPod touchApple Watch
Solstice: Intermittent Fasting is a free Health & Fitness app for iPhone and iPad by James Grusy. Rated 5.0/5 from 1 ratings. Requires iOS 18.2.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Sep 28
- 2026 · v1.1.67
Screenshots
About Solstice: Intermittent Fasting
Track your fasts with elegance, biological precision, and zero clutter. Solstice is an intermittent fasting tracker built with a clean, battery-efficient design. Track your circadian rhythms, monitor real-time metabolic stages (fat burning, autophagy, deep ketosis), and build consistent fasting habits without subscriptions or paywalls. KEY FEATURES: • Elegant Circular Timer: Real-time progress with tactile dial adjustments. • 5 Metabolic Fasting Stages: Understand when your body enters Blood Sugar Reset, Glycogen Depletion, Fat Burning, Autophagy, and Deep Ketosis. • Flexible Fasting Protocols: Choose 16:8, 18:6, 20:4 (Warrior), 14:10, 23:1 (OMAD), or customize your own. • Visual Calendar Heatmap: Glanceable monthly consistency view with active streak counters. • Solar & Dark Mode Themes: Deep midnight OLED dark mode and radiant solar accents. • 100% Private & On-Device: No account required, no ads, no trackers. Your health data stays on your device. DISCLAIMER: Solstice provides general wellness tracking and is not a substitute for professional medical advice. Always consult a healthcare provider before beginning any fasting routine.
What’s new
Version 1.1.67 · Updated September 28, 2026
Welcome to Solstice 1.1! In this release: • Apple Watch Companion App: Start, view, and end your fasts directly from your wrist. • Home Screen & Lock Screen Widgets: Track your fasting progress and current metabolic stage at a glance. • Automatic System Appearance: Seamlessly matches your device's Light or Dark mode setting. • Performance improvements and refined animations.
App privacy
The developer, James Grusy, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Solstice: Intermittent Fasting | 5.0 / 5 (1 rating) | Free | September 28, 2026 | |
| Fern: Intermittent Fasting | – | Free | Sep 5, 2026 | Compare |
| Peara: AI Calorie Tracker | – | Free | Sep 22, 2026 | Compare |
| Pregnancy+Baby Growth Tracker | 3.0 / 5 (2) | Free | Dec 28, 2023 | Compare |
| Period Tracker: Cycle Diary | 5.0 / 5 (5) | Free | Oct 20, 2026 | Compare |
| CalOrange - AI Calorie Tracker | 3.0 / 5 (1) | Free | Oct 19, 2026 | Compare |
| FitMe: Home Workout for Women | 3.5 / 5 (6) | Free | Sep 30, 2026 | Compare |