Fasted

Fasted is the intermittent fasting app that gives you a timer, a program, and a partner — everything you need to actually stick with it.

No account required. No paywalled timer. Start fasting tonight.

FAST WITH A BUDDY — ONLY ON FASTED

Pair with a friend and see their fasting timer in real time. Send reactions, leave comments, watch each other hit fat-burning and ketosis phases. The only intermittent fasting app with a live partner system.

Accountability beats willpower. Every time.

FASTING PROGRAMS

Build structured multi-week fasting plans. Assign protocols per day, set auto-start times, and run on autopilot. Like a fasting coach built into your pocket.

INTERMITTENT FASTING TIMER

One tap starts your fast. Fasted tracks every phase your body moves through:

- Fed State (0-4h)

- Catabolic (4-8h)

- Fat Burning (8-12h)

- Ketosis (12-16h)

- Deep Ketosis (16h+)

Live timer on your home screen. Updates in real time so you never lose track.

ALL FASTING PROTOCOLS — INCLUDED

- 16:8 Intermittent Fasting — The most popular plan. Fast 16 hours, eat in an 8-hour window.

- 18:6 Fasting — Push your fat-burning window further.

- OMAD — One Meal A Day. Maximum simplicity.

- 5:2 Diet — Eat normally five days, restrict two.

- 20:4 Fasting — For advanced fasters targeting deep ketosis.

- Custom Fasting Window — Set your exact start time and duration.

- STREAKS & ACHIEVEMENTS

Every completed fast builds your chain. Fasted tracks your streak, fires confetti at milestones, and gives streak freezes for real life. 18 achievements to unlock across 5 categories — and share cards to prove it.

COMPLETE HEALTH TRACKING

Log everything that matters alongside your fasting:

• Water intake with daily goal

• Weight log and progress chart

• Electrolytes: sodium, potassium, magnesium

• Body measurements: waist, hips, chest, thighs

• Blood levels: ketones (mmol/L) and glucose (mg/dL)

• Hunger intensity — mapped across 24 hours × 7 days

EVERYTHING FREE — NO CATCHES

Fasted believes your core tools should always be free.

Free forever:

• Intermittent fasting timer with all 5 metabolic phases

• All 6 fasting protocols (16:8, OMAD, 5:2, 18:6, 20:4, 12:12)

• Streak tracking and full history calendar

• Water logging

• Share cards (completion, streak, achievement)

• Data export — CSV and JSON

• No account required

FASTED PRO

Unlock the full experience:

→ Buddy system — fast with a partner in real time

→ Multi-week fasting programs with auto-scheduling

→ Weight, electrolyte & blood level tracking

→ Hunger map and fasting heatmap

→ Body measurements tracker

→ Advanced stats and long-term trends

→ Custom fasting protocols

→ Unlimited streak freezes + fast notes

WHY INTERMITTENT FASTING WORKS

Intermittent fasting works because it's simple. You don't cut food groups. You don't count every calorie. You control when you eat. Research consistently shows intermittent fasting reduces body fat, improves insulin sensitivity, triggers autophagy (cellular repair), and for most people — it's the approach that finally sticks.

Whether you're starting 16:8 for the first time or building toward OMAD, Fasted gives you the timer, the tracking, the programs, and the partner to make intermittent fasting a permanent habit.

Start tonight. It's free.

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