Fat FightersFat Fighters
Log in

Once-a-day weight tracking with friends

Simple. Private. No calories. No diaries.

Built for people who want accountability without obsession. Check in daily with a small trusted group and see real trends over time.

Not another calorie app. Not a public leaderboard. Fat Fighters is about shared accountability in small, private groups.
Create a free group — start tracking todayUse it solo →
No calorie tracking. No workouts. No public weigh-ins.
Fat Fighters calendar and trend viewFat Fighters calendar and trend view (dark mode)
Why people stick with it

Designed to remove the usual friction

  • Missed days don’t reset progress
  • Fix mistakes without shame
  • Private groups — no public weigh-ins or humiliation
  • One daily check-in, nothing else required
  • Trends over time, not daily noise
  • Solo use supported, groups encouraged
  • Clear trends instead of noisy charts
  • Designed for people tired of calorie counting
What early groups notice quickly

Small habits compound fast

“We’ve stuck with the group every day for 6 weeks — accountability changed everything.”

— Alex, group of 4
4 friends · daily check-ins · 6 weeks active
1. Create a private group

Start free and invite the people you trust.

2. Check in once daily

No diaries, no calories — just a quick weigh-in.

3. Watch trends, not daily noise

See steady progress and stay accountable together.

With friends, done properly

Fat Fighters works best in small, private groups — friends, partners, families. Everyone sees progress relative to their own starting point. Raw weights are never exposed.

Accountability without embarrassment. Competition without humiliation.

Data and trust

Your data stays yours. Export everything as CSV anytime. API access is available if you want to automate logging.

Progress is shown relative to each person’s starting point. No raw weights, just steady trends.
Pricing

Start free. Upgrade when your group grows.

One simple price. No trials, no add-ons. Cancel anytime.

Free
£0
Perfect for starting a small group or trying it solo.
  • 1 group
  • Up to 2 members
  • Calendar + trend view
  • Daily reminders (optional)
Create a free group
Pro
£2.99
/ month
For groups that want to grow.
  • Multiple groups
  • Larger teams
  • All current + future features
Go Pro

Who this is for / not for

This is for:
  • People who want a single daily habit
  • Small groups who already trust each other
  • Anyone tired of over-engineered fitness apps
This is not for:
  • Calorie counting
  • Workout plans
  • Public leaderboards or social feeds
Start your first group — it’s free and simple
Log today. Come back tomorrow. That’s the whole system.