Built for Athletes
Train Smarter.
Get Stronger.
873 exercises. AI-generated workouts in seconds. Recovery-based daily programming. Every rep tracked—gym or no wifi.
873 exercises. AI-generated workouts in seconds. Recovery-based daily programming. Every rep tracked—gym or no wifi.
No fluff. Every feature exists to make you stronger, more consistent, and better prepared.
Strength, plyometrics, Olympic lifts, stretching. Step-by-step instructions and muscle targeting for every movement.
Set your goal. Get a complete program in 3-6 seconds. AI picks the exercises, sets, and reps.
Muscle fatigue tracking tells you exactly what to train today. No guessing, no overtraining.
No signal? No problem. Full functionality without internet. Syncs when you're back online.
Pull in workouts from Apple Watch and Health. All your training data, one dashboard.
Rest timer, rep counter, weight logger. Track every set as you go. No paper logbooks.
Fast, focused, one-hand operation. Designed to be used between sets, not after your workout.
Tell it your goal, equipment, and experience. The AI does the programming. You do the lifting.
Consistent training. Intelligent programming. Real transformations.
"The AI workouts pushed me harder than I ever would on my own. 12 weeks in and I can't believe the difference."
"I love that it tells me exactly what to train each day. No more guessing, no more skipping leg day."
"Down 35 lbs and counting. The offline mode meant I never missed a workout, even traveling for work."
"Finally an app that doesn't assume women only want cardio. The exercise library is insane."
"The recovery recommendations were a game changer. Training smarter, not just harder."
"At 48, I'm in the best shape of my life. The daily recommendations keep me consistent."
Results shown are illustrative. Individual results vary based on diet, training consistency, and other factors.
Download to first workout in under 60 seconds.
Available on iOS. Quick onboarding. Start with a free trial.
Set your level, goals, and equipment. The AI calibrates to you.
AI programs your workouts. You show up and lift. Track every rep.
Start with a free trial. Monthly or yearly plans available.
No fluff. Straight answers about KRIO.
Yes! KRIO offers a free trial so you can experience all features — 873 exercises, AI-powered workout generation, smart daily recommendations, and more — before committing. Choose between monthly ($4.99/mo) or yearly ($29.99/yr) plans.
Select your goal, available equipment, experience level, and time—our AI generates a complete workout plan in 3-6 seconds, selecting the optimal exercises from our library of 873. It includes optional warmup and cooldown phases.
KRIO uses a muscle fatigue vector algorithm that tracks which muscles you've worked recently and how recovered they are, then recommends the optimal workout to keep you balanced and progressing. It even considers your Apple Health data.
Absolutely. KRIO is offline-first—all your data, exercises, and workouts are stored locally on your device. When you're back online, everything syncs automatically across your devices.
Yes. KRIO integrates with Apple HealthKit to import workouts from other apps and your Apple Watch, giving you a unified view of all your training in one place. It also factors this data into your daily recommendations.
873 exercises covering strength training (613), stretching (120), plyometrics (61), Olympic lifting (38), cardio (21), and strongman (20). Each includes step-by-step instructions, muscle group targeting, and images.
KRIO is currently available on iOS. Android is coming soon—stay tuned for updates!
Yes, you can cancel your Pro subscription at any time through your App Store account settings. You'll keep Pro features until the end of your current billing period. Your data is always yours.
873 exercises. AI programming. Recovery intelligence. Try it free.
Start your free trial today. Cancel anytime.