Lose weight andstay fitwith the community

Track your progress, join challenges with friends and reach your goals with the support of a motivated community.

10K+
Active users
50K+
Kg lost
5K+
Challenges completed

Track your weightwith scientific precision

The biological curve shows you the ideal path. Points below the curve are victories, those above are opportunities for improvement.

Start
85 kg
Current weight
73.2 kg
Goal
70 kg
8580757065123456Goal
months
-11.8 kg
Lost so far
-3.2 kg
To go

Visualize your futurewith AI

Artificial intelligence shows you how you could look when you reach your goal.

+40%more likely to reach your goal by visualizing it
After transformation
Before transformation
Before
After

Drag to see the transformation

Share every momentof your journey

The community supports you every step of the way. Share your progress and inspire others.

9:41

Feed

All
Tribe
Challenges
E
Emma
FoodPublic

2 hr ago

When you say "just one plate" but already know you'll eat 4 😂

💪8🔥31❤️47
23
J
James
WorkoutPublic

39 min ago

Trekking in the snow with Max 🏔️

Video
💪24🔥18❤️142
12
S
Sophie
WalkPublic

yesterday

3 km mountain walk 🏔️

💪67🔥22❤️95
7
L
Liam
WorkoutPublic

1 day ago

A bit of movement today too 🚶‍♂️

Video
💪41🔥19❤️108
15
E
Emma
FoodPublic

2 hr ago

When you say "just one plate" but already know you'll eat 4 😂

💪8🔥31❤️47
23
J
James
WorkoutPublic

39 min ago

Trekking in the snow with Max 🏔️

Video
💪24🔥18❤️142
12
S
Sophie
WalkPublic

yesterday

3 km mountain walk 🏔️

💪67🔥22❤️95
7
L
Liam
WorkoutPublic

1 day ago

A bit of movement today too 🚶‍♂️

Video
💪41🔥19❤️108
15
Home
Feed
Challenges
Profile

Group challengesto win together

Join challenges with friends and reach your goals faster.

Summer Challenge 2026

Goal: -5kg in 30 days

8 participants
18
days left
23.5
kg lost by group
J
James-4.2kg
92%
E
Emma-3.8kg
85%
M
Michael-3.5kg
78%
O
Olivia-3.2kg
72%
W
William-2.9kg
65%
S
Sophia-2.6kg
58%
D
Daniel-2kg
45%
I
Isabella-1.3kg
32%

AI Meal Planpersonalized for you

Artificial intelligence generates a complete weekly meal plan with ingredients, quantities, and preparation instructions tailored to your goals.

9:41

AI Meal Plan

Premium Feature

Daily average

🔥1497kcal/day
Balanced
M

Monday

1550 kcal

🍌

BREAKFAST

300 kcal

Oat porridge

50g oat flakes · 200ml almond milk · 1 banana

🍳PREPARATION

Cook oat flakes in almond milk until creamy. Serve with sliced banana on top.

🍏

SNACK

200 kcal

Apple with peanut butter

1 apple · 1 tbsp peanut butter

🍳PREPARATION

Slice the apple and spread peanut butter on the slices. Serve fresh.

🥗

LUNCH

450 kcal

Quinoa salad

80g quinoa · 100g chicken · cherry tomatoes · cucumbers

🍳PREPARATION

Cook quinoa and chicken. Mix with diced vegetables and dress with oil and lemon.

Home
Feed
Challenges
Profile

7-day weekly plan

Precise quantities for every ingredient

Preparation instructions

Customized for allergies and preferences

AI Shopping Listfrom your Meal Plan

Automatically generate your shopping list from your meal plan. Choose how many days and check off ingredients as you shop.

9:53

AI Shopping List

from your Meal Plan

For how many days?

Monday

4/10
🥬Fruits & Vegetables(5)
1 banana
50g mixed fruit
100g mixed salad
200g broccoli
1 tbsp lemon
🥩Meat & Fish(2)
150g chicken breast
150g salmon
🥛Dairy & Eggs(2)
Home
Feed
Challenges
Profile

1 day, 2 days, 3 days, Week

For how many days?

Fruits & Vegetables

Meat & Fish · Dairy & Eggs · Grains & Legumes

0/10

Monday, Tuesday, Wednesday...

AI Chefyour personal nutritionist

Generate personalized healthy recipes with artificial intelligence. You can also share them with the community!

Mediterranean Grilled Chicken
AI Generated

Mediterranean Grilled Chicken

25 min
🔥 380 kcal
💪 42g protein
Chicken breastCherry tomatoesOlivesFetaArugulaOlive oil

Share with community

GPS Trackerfor your walks

Track your routes, monitor distance, time and calories burned. Share your walks with the community!

9:41

Walk

5
GPS walking route map
2.45
km
24:32
Time
147
kcal
Working out now · 3
LIVE
M
Mark
2.1km · 18'
E
Emma
3.4km · 26'
J
Jake
1.8km · 14'
Home
Feed
Challenges
Profile
Live workout buddies only

Walkie-talkieduring your workout

Talk in real time with a workout buddy. Press and hold to talk, release to listen. Perfect for walks, runs and bike rides.

  • Low-latency live audio
  • One-finger push-to-talk
  • Works with screen locked
  • Synced with the GPS tracker
Hold to talk
LIVE
9:41

Camminata

Live workout selfieLive workout selfieLive workout selfieLive workout selfieLive workout selfie
LIVE
Live sharing

Live photos & videosduring your workout

While walking or running, you can snap photos and short videos directly from the tracker and share them instantly with the community. At the end of the workout, the post is automatically completed with the GPS map and stats.

  • Real-time photos during exercise
  • Short videos (max 60 sec) on the move
  • GPS route map attached to the post
  • Stats calculated automatically
National Leaderboard🇮🇹 IT
🥇
Marco47.2 km
🥈
Giulia42.8 km
🥉
Luca38.5 km
4
Sofia35.1 km
👤
Tu24.6 km
🔔 Push notifications when overtaken
Compete with your country

National Leaderboardin real time

Climb the leaderboard of your country every week. Compete on km, weight lost and completed activities. You'll get push notifications when you're on the podium.

  • National Top 1 every Monday
  • Ranking by country, city and friends
  • Push notifications when overtaken
  • Weekly and monthly history
Change language whenever you want

Available in 6 languagesglobal community

Slimmy speaks your language. The app, notifications and even support chat adapt automatically.

🇮🇹Italiano
🇬🇧English
🇪🇸Español
🇧🇷Português
🇩🇪Deutsch
🇫🇷Français

Start free,unlock Premium whenever you want

All core features are free. Premium adds unlimited AI, meal plans, full leaderboards and more.

First 1,000 users: free Lifetime Premium 🎁

Free

$0forever
  • Unlimited weight tracker
  • Community challenges
  • GPS walk
  • Social feed with photos & videos
  • Walkie-talkie with challenge buddies
  • LIVE photos & videos during workout
⭐ Recommended

Premium

$4.99/ month
  • Everything in Free
  • Weekly AI Body Transformation
  • Personalized AI meal plans
  • AI Chef for tailored recipes
  • Detailed leaderboards & history
  • Advanced stats
100% Free

Start your journey today

All features are completely free. No hidden costs, no mandatory subscription.

No credit card required • Free forever

Need help?

Write to us for information or support requests.

Contact us

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