StreakFast: Fasting Tracker

StreakFast is an intermittent fasting timer and tracker built around one thing: a streak you won't want to break. Run
16:8, 18:6, 20:4 or OMAD fasts, watch your body move through ketosis and autophagy, and build a lasting habit instead
of just counting hours. No account. No cloud. Your data never leaves your phone.

━━━ WHAT MAKES STREAKFAST DIFFERENT ━━━

Most fasting apps try to sell you a subscription before you can even start a timer. StreakFast does the opposite. This is a fasting tracker that puts the timer first, the paywall never, and your privacy always.

No ads. No nagging upsells. What's free stays free — we will never take away a feature you already rely on.

🔥 STREAK-FIRST DESIGN
Every intermittent fasting app has a timer. Only StreakFast has a Consistency Score — a metric that shows how steady your practice really is. Not just "did you tap a button," but how consistently you show up day after day. Hit milestones at 3, 7, 14, 21, and 30 days. Chase your personal best streak. This is what turns a fasting tracker into a fasting habit.

🧠 6 METABOLIC STAGES, EXPLAINED
Follow the typical six metabolic stages your body may move through as you fast: Digestion → Glucose Depletion → Ketosis Onset → Fat Burning → Deep Ketosis → Autophagy. See where you are in the metabolic timeline as your body shifts from burning sugar toward burning fat. Real-time progress for each stage. No subscription required — stages are free, forever.

🖤 PURE BLACK OLED INTERFACE
A true black (#000000) fasting tracker designed for AMOLED displays. Better battery life. Better contrast at night. No white backgrounds. No visual noise. Just you and your fast.

🔒 100% PRIVATE. 100% LOCAL.
Unlike other intermittent fasting apps, StreakFast requires no account, stores nothing in the cloud, and runs zero analytics or trackers.
• No account creation — install and start fasting in seconds
• No cloud storage — every record stays on your device
• No analytics, no trackers, no data harvesting
• One-tap "Delete My Data" in Settings
• You own your data — full CSV + JSON export & backup with Pro
• Privacy policy in plain English

━━━ FASTING PLANS — FREE FOREVER ━━━

No paywall on the essentials:
• 16:8, 18:6 and 20:4 intermittent fasting plans — pick a fasting schedule and the timer handles the rest
• Streak counter + personal best record
• Consistency Score + monthly statistics
• 6 metabolic stage insights on every fast
• Achievements — streak milestones (3–30 days) + lifetime fast counts (10, 25, 50, 100+)
• Water tracking
• Body weight log with trend charts
• Home screen widget — your streak and fasting timer at a glance
• Daily reminder — an optional evening nudge if you haven't fasted yet, so you never break your streak by accident
• Fasting history — your last 7 days
• Edit or delete past fasts — fix a wrong start or end time
• Share your streak — turn any milestone into a card and post it anywhere

━━━ STREAKFAST PRO ━━━

Cancel anytime, right from your phone — no website redirects, no surprise charges. Pro unlocks extras; it never locks away anything you already use for free.

Unlock the full fasting toolkit:
• OMAD · 36h · 48h extended fasting + custom durations
• Full fasting history — every fast you've ever logged (the free version keeps your last 7 days)
• CSV + JSON backup & export — never lose your streak

━━━ BUILT BY CLUSTLE STUDIO ━━━

An independent developer making health tools that respect you. No investors. No ad networks. No data brokers. Just software that works for the person using it.

Contact: [email protected]
Privacy Policy: https://clustlestudio.github.io/privacy-policy.html
Data Deletion: https://clustlestudio.github.io/data-deletion.html

StreakFast — The intermittent fasting tracker that builds habits, not harvests data.