Grind75 vs Stack

Grind75 is a flexible habit tracker and challenge tracker designed to help you complete 75 Hard, 75 Soft, or any custom self-improvement challenge. Build discipline, stay consistent, and track your daily habits—without rigid rules or burnout. Whether you're working on fitness, routine building, or personal growth, Grind75 adapts to your lifestyle. Start Any Challenge Choose from 21, 30, 60, 75, or 100-day challenges—or create your own custom challenge tailored to your goals. Build routines that work for you. Multiple Challenge Modes ● Hard Mode – for strict 75 Hard-style discipline ● Medium Mode – balanced and structured ● Soft Mode – sustainable and flexible habits ● Parent Mode – designed for busy parents Parent Mode – Built for Real Life Stay consistent while balancing responsibilities: ● Realistic daily goals ● Grace days ● Audiobook-friendly reading ● Quiet-time tracking Habit Tracker for Daily Consistency Track habits like: ● Workouts & fitness ● Water intake (with reminders) ● Reading (books or audiobooks) ● Diet & nutrition ● Outdoor activity ● Daily steps (Health integration) ● Custom habits Stay accountable, build streaks, and improve every day. Track Progress & Transformation ● Capture progress photos ● Compare before & after results ● Track milestones throughout your challenge ● View past challenges with stats and insights Stay Motivated ● Generate shareable transformation cards ● Completion recognition screen for finished challenges ● Celebrate wins and milestones ● Stay consistent through your journey Flexible & Forgiving System Missed a day? Keep going. ● Restart anytime ● Pause, stop, or resume your challenge ● Focus on progress over perfection Smart Features That Make It Easy ● Browse 21 ready-made tasks across 6 categories ● Add, edit, delete, or reorder tasks ● Swipe to manage your habits ● Automatic step tracking with Health integration ● Set multiple water reminders ● Localized water units (oz / mL) No Subscriptions. No Ads. Grind75 keeps it simple: ● Start free ● Unlock everything with a one-time purchase ● No ads ● No subscriptions ● Just results Why Grind75? ● Perfect for 75 Hard & 75 Soft challenges ● Flexible habit tracking system ● Designed for real-life consistency ● Built for discipline without burnout Your challenge. Your rules. Let’s grind.

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