GymPsycho vs Stack

The fastest workout tracker built for hypertrophy. Log any set in 3 taps. PRs detected automatically. Science-based volume per muscle group. Don't know what to train? The Plan Generator creates a hypertrophy-optimized training week in 60 seconds. Free to use, forever. BUILT FOR HYPERTROPHY Every feature is engineered around what actually drives muscle growth: progressive overload, weekly volume in the productive range (MEV → MAV → MRV), proximity to failure, and consistency over time. Track sets per muscle group, hit weekly volume targets, see exactly which muscles are progressing. Built for athletes who take training seriously. FAST. REALLY FAST. Weight. Reps. Done. Rest timer starts automatically. Previous weights are always visible. You focus on lifting — the app handles the rest. TRACK EVERY SET LIKE A PRO Supersets with guided alternation. Warm-up, drop, and failure set tagging. Optional per-set RIR (Reps in Reserve) — so your trends reflect true effort, not just numbers. Edit completed workouts anytime. Smart rest alerts on phone and watch. SWITCHING FROM HEVY, STRONG OR ALPHA PROGRESSION? Import your complete training history with one tap. Keep all your PRs, exercises, and session data — nothing gets lost. YOUR STRENGTH & MUSCLE, VISUALIZED Personal records are detected and celebrated automatically — weight PRs, rep PRs, and estimated one-rep max. Tap any PR to see your full progress with interactive charts and trend analysis. The Progress Check tells you if each muscle group is progressing — productive, stagnating, or needs more volume. Hit a hypertrophy plateau? The on-device AI spots it. After an injury or break? Reset your PRs and start fresh. PLAN GENERATOR Don't know what to train? Answer 8 evidence-based questions about your goals, experience, equipment, and schedule — get a complete, personalized hypertrophy or strength plan in under 60 seconds. Volume targets grounded in current sport science, smart exercise selection, and muscle priority. Your plan, ready to use. Share any plan with friends via a simple code — all free, no Pro needed. 419 EXERCISES WITH ANIMATED DEMOS Choose from 419 exercises — each with an animated demonstration showing proper form. Precise muscle group mapping. Barbell, dumbbell, cable, Smith Machine, bodyweight, and cardio. Tap any exercise to see the animation, target muscles, and your progress. Or create your own custom exercises. HEALTH & FITNESS Syncs with Apple HealthKit: sleep quality, daily steps, resting heart rate, and body weight. Workouts are exported automatically. Body Weight Intelligence detects bulking, cutting, and maintenance phases — essential for matching nutrition to your hypertrophy phase. LEVEL UP Track your growth from Starter to GymPsycho. Your Athlete Profile score reflects real effort, consistency, and progression — no shortcuts. APPLE WATCH & LIVE ACTIVITY Log sets from your wrist. See your workout on the Dynamic Island and lock screen. Control your rest timer without pulling out your phone. 100% PRIVATE No account. No ads. No social feed. Works offline. iCloud sync between your devices. Export your data anytime as a full backup. Your data stays yours. GYMPSYCHO PRO — TRY FREE FOR 14 DAYS Unlock the analytics that drive real hypertrophy progress: ▸ VOLUME INTELLIGENCE — Per-muscle weekly set targets (MEV → MAV → MRV). See where to push, hold, or deload. ▸ AI WEIGHT SUGGESTIONS + PROGRESS CHECK — Smart predictions based on your history. Per-muscle verdict on what's progressing. ▸ PROFESSIONAL TRAINING REPORTS — PDF Reports for you or your coach, with volume analysis, PR history & muscle distribution. PLUS: • Exercise Progress Charts • Multiple Gyms • Body Weight Intelligence Cancel anytime. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gympsycho.com/privacy.html

Less tapping. More time lifting. See how far you have come. Stack is a workout log for strength training. Walk in with a routine ready, keep your last session's numbers close and see your progress over time. Start free, with no account required. With Stack Pro, get a target for your next set, skip the plate math and repeat a set from your iPhone Lock Screen without reopening the app. KEEP YOUR WORKOUT MOVING Log weight and reps with controls made for the time between sets. Your previous session's numbers are prefilled, so you can pick up where you left off. Build routines, add your own exercises and train in pounds or kilograms. SEE WHAT YOUR WORK IS ADDING UP TO Revisit your workout history, follow strength trends and track personal records. Explore the muscle map to see which muscles your logged sets worked. Your workout log, history, basic trends and muscle map are free. GIVE YOUR NEXT SESSION A DIRECTION WITH PRO - Know what to lift next. Smart Targets suggest weight and reps based on your logged sets. - Keep logging from your Lock Screen or Dynamic Island. Repeat your previous set and add rest time on iPhone. - Load the bar without the math. See the plates to put on each side for your chosen weight. - Turn a weekly gap into a plan. Compare planned sets with your muscle targets, preview a routine change and save it when it fits your week. - See progress beyond the numbers. Compare progress photos and work toward your next max attempt with guided one-rep max testing. Pro also includes Gym Mode, suggested exercise replacements, extra themes and custom appearance controls. YOUR TRAINING, WITH YOU Log workouts offline. Export and import your training data, and choose optional iCloud sync. No account is needed to start training. Start with your next workout. Keep a record you can build on. STACK PRO Optional monthly or yearly subscription, or a lifetime purchase. Subscriptions renew automatically until cancelled. Manage or cancel your subscription in your App Store account settings. Lifetime is a one-time purchase. Terms of Service: https://stack.lauterstar.com/terms.html