AI-Powered Nutrition

Track Smarter.
Eat Better.

FuelStack combines macro tracking, structured meal plans, and an AI nutrition coach into one powerful app. Stop juggling three apps for what should be one seamless workflow.

Get Started FreeSee the App
iOS
Android
Coming 2026
1.9M+
Foods in Database
<30s
To Log a Meal
AI
Meal Plan Generator
24/7
AI Nutrition Coach
Our Features

Everything you need to fuel your goals

From quick logging to AI-powered meal planning, FuelStack replaces three separate apps with one seamless workflow.

Lightning-Fast Logging

Search 1.9M+ foods, scan barcodes, or just type naturally. Log a full meal in under 30 seconds with smart recent and frequent food suggestions.

AI Meal Planner

Tell us your goals, dietary preferences, and cooking time. Our AI generates a complete weekly meal plan tailored to your exact macro targets.

Structured Meal Plans

Load coach-provided plans or build your own. See your entire week at a glance with a detailed timeline of meals, prep times, and macros.

Prep & Meal Reminders

Get notified when it's time to start prepping and when each meal is due. Never miss a scheduled meal with smart, contextual reminders.

Progress Analytics

Weight trend charts with smoothed trend lines, weekly macro averages, adherence scoring, and AI-generated weekly insight summaries.

AI Food Swaps

Bored of chicken? Tap any food in your plan and get 3-5 smart alternatives that match the same macro profile. Powered by AI + cached intelligence.

How to Start

Up and running in four steps

From zero to fully coached nutrition tracking in under two minutes.

STEP 01

Set Your Goals

Tell us about your body, goals, and dietary preferences. Our smart onboarding wizard calculates your optimal calorie and macro targets using proven sports-science formulas.

Body metrics & activity levelGoal selection (cut, bulk, maintain)Dietary preferences & allergies
1
Your goal
2
Activity level
3
Dietary prefs
STEP 02

Load or Generate a Plan

Import a plan from your coach, build one manually, or let our AI generate a personalized weekly meal plan in seconds -- fitted to your exact macro targets.

AI-generated meal plansImport from coach or templateFlexible swap-friendly meals
Overnight Oats
420 kcal
Chicken & Rice Bowl
680 kcal
Salmon & Greens
540 kcal
STEP 03

Track & Get Coached

Log meals with barcode scanning, quick search, or just tell the AI coach what you ate. Get real-time feedback, smart swaps, and mid-day adjustments.

Barcode & natural language loggingReal-time macro dashboardAI-powered food swaps
1,560/ 2,400
P 72%
C 58%
F 45%
STEP 04

Review & Improve

See your progress with trend charts, adherence scores, and AI-generated weekly reviews that keep you accountable and help you crush your targets.

Weight & body trend chartsAdherence scoring systemAI weekly insight reports
M
T
W
T
F
S
S
Adherence
92%
Streak
14 days
Built For You

No matter your approach

Whether you follow a strict meal plan or eat flexibly, FuelStack adapts to your style.

The Lifter

Gym-goer following a structured meal plan from a coach. Tracks protein religiously.

Key Need

Load a coach plan, get meal reminders, log macros accurately.

The Dieter

Calorie-deficit focused user trying to lose weight with daily budget visibility.

Key Need

Quick logging, barcode scanning, daily calorie budget at a glance.

The Meal Prepper

Plans and preps meals for the week ahead with batch cooking sessions.

Key Need

Weekly calendar view, prep reminders, batch-create meals.

The Flexible Dieter

Tracks macros but swaps foods freely based on what sounds good.

Key Need

Fast food search, large database, quick-add shortcuts.

AI Nutrition Coach

Your personal coach that never sleeps

Powered by AI that knows your goals, your logs, and your plan. Log food with plain English, get swap ideas, or plan your next meal out.

9:12
5G

AI Nutrition Coach

Powered by Claude · 18/20 messages today

AI provides general nutrition guidance only. Not medical advice. Always consult a healthcare professional for dietary concerns.

Hey Ruan! I can see you've been consistently hitting your protein targets this week. Great work! What can I help you with today?

09:12

What should I eat before my workout this afternoon?

09:13

Based on your training at 16:00 and your current macro budget for the day, I'd suggest eating 60-90 minutes before your session: **Pre-Workout Meal (approx. 350 cal):** - 1 medium banana (105 cal, 27g carbs) - 1 slice whole wheat toast (76 cal, 13g carbs) - 1 tbsp peanut butter (94 cal, 4g protein, 8g fat) - 200ml low-fat milk (80 cal, 7g protein) This gives you a good mix of fast and slow carbs for sustained energy, with some protein. Your remaining dinner budget would still be around 720 cal / 42g protein.

09:13

I'm eating out at Spur tonight, what should I order?

09:15

Great question! With ~720 cal and 42g protein remaining, here are your best options at Spur: **Top Pick: Grilled Chicken Breast (360g)** - ~420 cal, 52g protein, 8g fat - Ask for steamed veg instead of chips - Fits your budget perfectly **Also Good: Flame-Grilled Rump (200g)** - ~380 cal, 48g protein, 18g fat - Skip the sauce, add a side salad Avoid the ribs and burgers -- they'll blow your fat budget. Want me to log one of these for you?

09:15

Ask your AI coach...
Home
Log
Plan
Progress
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Live in the App

Ask anything.
Get answers that fit your plan.

The AI coach sees your daily targets, what you've eaten so far, your weight trend, and your active meal plan. Every response is tailored to your exact situation -- right now, today.

Log food with textMacro-matched swapsRestaurant picksPlan adjustmentsWeekly reportsSnack ideas

20/day

Free messages

<2s

Avg response

24/7

Always online

Try it yourself

Tap a prompt below to see a sample AI conversation

AI Coach

Online

Hey! I'm your AI nutrition coach. I can log food, suggest swaps, help plan meals out, and adjust your plan. Try a prompt below!

Ask anything about nutrition...

What the AI coach can do

Six core capabilities that make FuelStack more than a tracker

Natural Language Logging

Type "2 eggs, toast with peanut butter, coffee with oat milk" and the AI parses it into structured entries with full macros.

Restaurant Guidance

Tell the AI where you're dining and it recommends dishes that fit your remaining calorie and macro budget.

Smart Food Swaps

Tap any food and get 3-5 alternatives with similar macros. Swap chicken for salmon, rice for sweet potato -- instantly.

Context-Aware Suggestions

The AI knows your targets, what you've eaten, your weight trend, and training schedule. Every answer is personal.

Meal Plan Adjustments

"Make tomorrow lower carb" or "I need more protein at lunch" -- the AI restructures your plan keeping targets intact.

Weekly Insight Reports

Every Sunday: macro adherence, calorie consistency, weight trajectory, and specific recommendations for the week ahead.

App Preview

Five screens.
One complete system.

Every screen designed to make nutrition tracking effortless. Explore the real UI that powers FuelStack.

9:41
5G

Tuesday, Feb 18

Good morning, Ruan

Streak
1,847of 2,400 cal
Protein
128g / 180g
Carbs
186g / 240g
Fat
58g / 80g

12

Day Streak

This Week

Avg 162g protein

+8g vs last week

Today's Meals

See All
07:00

Breakfast

Oats, Berries, Whey

520 cal
10:00

Snack

Greek Yoghurt, Almonds

180 cal
13:00

Lunch

Chicken, Rice, Veg

680 cal
19:00

Dinner

Salmon, Sweet Potato

720 cal
Quick Add
Scan
Search
Photo
Home
Log
Plan
Progress
Profile
9:41
5G

Log Food

Logging to:
Search foods...

AI Logging

Try: "Large flat white and 2 slices toast with peanut butter"

Recently Logged

See All

Remaining for Lunch

680

cal

42g

protein

68g

carbs

22g

fat

Home
Log
Plan
Progress
Profile
9:41
5G

Meal Plan

Lean Bulk — Week 3

1,758

cal total

161g

protein

158g

carbs

62g

fat

Breakfast07:00
10 min

Rolled Oats

80g

304 cal10.7g P

Mixed Berries

100g

57 cal0.7g P

Whey Isolate

1 scoop

120 cal27g P
481 cal38.4g protein
Lunch13:00
25 min

Chicken Breast, Grilled

180g

297 cal55.8g P

Basmati Rice

150g cooked

195 cal4g P

Steamed Broccoli

120g

41 cal3.4g P
533 cal63.2g protein
Snack16:00
2 min

Greek Yoghurt 2%

170g

124 cal17g P

Almonds

20g

116 cal4.2g P
240 cal21.2g protein
Dinner19:00
30 min

Atlantic Salmon

150g

312 cal33.8g P

Sweet Potato

200g

172 cal3.2g P

Mixed Salad

100g

20 cal1.5g P
504 cal38.5g protein
Home
Log
Plan
Progress
Profile
9:41
5G

AI Nutrition Coach

Powered by Claude · 18/20 messages today

AI provides general nutrition guidance only. Not medical advice. Always consult a healthcare professional for dietary concerns.

Hey Ruan! I can see you've been consistently hitting your protein targets this week. Great work! What can I help you with today?

09:12

What should I eat before my workout this afternoon?

09:13

Based on your training at 16:00 and your current macro budget for the day, I'd suggest eating 60-90 minutes before your session: **Pre-Workout Meal (approx. 350 cal):** - 1 medium banana (105 cal, 27g carbs) - 1 slice whole wheat toast (76 cal, 13g carbs) - 1 tbsp peanut butter (94 cal, 4g protein, 8g fat) - 200ml low-fat milk (80 cal, 7g protein) This gives you a good mix of fast and slow carbs for sustained energy, with some protein. Your remaining dinner budget would still be around 720 cal / 42g protein.

09:13

I'm eating out at Spur tonight, what should I order?

09:15

Great question! With ~720 cal and 42g protein remaining, here are your best options at Spur: **Top Pick: Grilled Chicken Breast (360g)** - ~420 cal, 52g protein, 8g fat - Ask for steamed veg instead of chips - Fits your budget perfectly **Also Good: Flame-Grilled Rump (200g)** - ~380 cal, 48g protein, 18g fat - Skip the sauce, add a side salad Avoid the ribs and burgers -- they'll blow your fat budget. Want me to log one of these for you?

09:15

Ask your AI coach...
Home
Log
Plan
Progress
Profile
9:41
5G

Progress

This week overview

-0.9 kg

This week

86%

Adherence

5 / 7

Days on target

Weight Trend

-0.9 kg
MonTWTFSS

Daily Calories

Avg: 2361
2380
M
2420
T
2100
W
2350
T
2400
F
2680
S
2200
S
Target: 2,400
*

AI Weekly Insight

You averaged 167g protein this week -- 13g below target. Your weekend carb intake spiked on Saturday. Consider adding a protein shake to your afternoon snack to close the gap.

Home
Log
Plan
Progress
Profile
Dashboard

Your Day at a Glance

Real-time calorie ring, macro bars, meal timeline, and streak tracker -- everything you need in one scroll.

  • Live calorie ring with P/C/F breakdown
  • Macro progress bars updating as you log
  • Meal timeline with logged status
  • Streak counter and daily goal tracking

5

Core Screens

900K+

Foods in Database

<2s

Seconds to Log

24/7

AI Coach Access

Pricing

Simple, transparent pricing

Start for free. Upgrade when you want the full power of AI-driven nutrition coaching.

Free

Everything you need to start tracking.

$0forever
  • Unlimited food logging
  • 1.9M+ food database + barcode scanning
  • 1 active meal plan
  • Prep & meal reminders
  • Smart serving sizes & defaults
  • 3 AI-generated meal plans / month
  • 5 photo scans / month
Get Started Free
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Premium

Full AI power for serious results.

$6.99/month
  • Everything in Free
  • Unlimited AI meal plans
  • Unlimited photo-to-log scans
  • AI Nutrition Coach (20 messages/day)
  • AI food swap suggestions
  • Natural language food logging
  • AI weekly review & insights
  • Adaptive TDEE adjustments
  • Priority support
Start 7-Day Free Trial

Ready to take control of your nutrition?

Join thousands of lifters, dieters, and meal preppers who track smarter with FuelStack. Start free, upgrade when you are ready.

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