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Free100% Free · No Credit Card
One Sentence. Full Plan. Zero Cost.
Tell Armstrong your goal — lean bulk, cut, 4-day split — and get a pro-grade training and nutrition plan instantly. Track every macro, log every PR, and chat with your AI fitness coach 24/7.
Generate My Free Plan
Type one sentence about your goal — full workout & meal plan in minutes.
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Free Planning Tools
Diet & Gym Planners — No Signup
Macro calculator
Free Diet Planner
Enter your stats and goal to get daily calories, protein, carbs, fats, and a full four-meal day — no signup.
Open planner →Split builder
Free Gym Planner
Pick days per week, equipment, and experience level. Get a complete workout split with sets, reps, and rest.
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How It Works
Three-step AI workout generator process
Type Your Goal
Drop one sentence: “I want to lean bulk and only have 4 days a week.” That’s it — no forms, no fluff.
Get Your Instant Plan
Armstrong builds your custom split, exercises, sets, and a free bodybuilding meal plan with precise macros — ready before your next session.
Crush It with Your AI Coach
Log sets, hit PRs, track nutrition daily, and ask your 24/7 AI strength coach anything — right from your pocket.
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Built for Serious Lifters
Your Free AI Fitness Coach, Meal Plan & Macro Tracker
Instant workout generator
The One-Sentence Plan Generator
Skip the spreadsheet. Describe your physique goal, schedule, and equipment — Armstrong’s AI workout generator delivers a complete, periodized program built for bodybuilders.
Macro tracking built in
Smart Nutrition Calculator & Tracker
Dial in protein, carbs, and fats with a smart nutrition calculator that adapts to your training. Log meals daily and stay locked on your targets without a separate app.
Always in your corner
The 24/7 AI Strength Coach
Swap, progress, or deload — your AI fitness coach reads your logs and answers in real time. Unlimited guidance without the premium price tag of a human coach.
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No Risk. All Reward.
Explore Everything. Pay Nothing.
Test the full app — custom plans, macro tracking, AI coaching, workout logging — completely free. No credit card, no trial countdown, no paywall surprises.
- Free instant workout & meal plan generation
- Unlimited AI coach conversations
- Daily macro & nutrition tracking included
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FAQ
Frequently asked questions about Armstrong AI fitness coach
Is Armstrong really free to use?
Yes. You can explore the entire app — generate plans, track macros, log workouts, and chat with the AI coach — without paying or entering a credit card.
How accurate is the AI fitness coach?
Armstrong analyzes your actual training logs, PRs, and nutrition data to give personalized recommendations — not generic templates. It adapts as you progress session by session.
Can I track my macros and nutrition daily?
Absolutely. Armstrong includes a smart nutrition calculator and daily food tracker so you can hit protein, carbs, and fat targets alongside your training plan.
How does the one-sentence workout generator work?
Describe your goal in plain English — goal, days per week, experience level, equipment. Armstrong’s AI builds a complete training split and meal plan tailored to your input in minutes.
Do I still need a human coach?
Armstrong gives you 24/7 AI coaching, plan customization, and precision tracking at no cost. Many lifters use it as their primary coach; others pair it with occasional human check-ins.