Grip Strength vs PowerSphere

Ready to crush your grip goals? MrGripper is built for athletes, climbers, calisthenics athletes, martial artists, and anyone in rehab who wants to log, test, and improve hand strength—with clear numbers, not guesswork. What you can do • Your gear, your routines — Pick what you own and get 30 routines filtered to that gear, from beginner to elite. • Guided workouts — Press play: count-ins, live reps and holds, rest timers on the Lock Screen, and a PR celebration at the finish. • Exercise guides — Setup, cues and common mistakes for 35 movements, one tap away. • Fast workout logging — Reps, sets, notes, and grip-specific exercises in a few taps. • Dynamometer grip tests — Measure left, right, or both hands and see progress clearly. • Per-hand tracking — Log hands together or separately for more accurate trends. • Reps or timed holds — Max reps and max-duration holds, with a built-in timer for dead hangs and static holds. • Gear library — Grippers, hangboards, pinch blocks, wrist rollers and custom tools in one place. • Personal records — PRs that match how you actually train (exercise, equipment, load, hand). • Trends built from your real sets — Progress against your PR line, weekly volume, sessions per week, and hand symmetry over time. • Home and Lock Screen widgets — Today's plan, your streak, and your training week at a glance. • Share the wins — Turn a PR, a session, or a symmetry score into a clean image card. • Offline first — Log and review anywhere; no connection required. • Your setup — kg/lbs, light or dark mode, and settings that stay out of your way. What's free, what's Pro • Free: the routine library (browse and start), unlimited workouts and custom exercises, 5 pieces of equipment, dynamometer tests, 7- and 30-day trends, 30 days of history, and three saved routines. • Pro: per-equipment and per-load PRs, equipment photos, 90-day, 1-year and all-time windows, unlimited saved routines, and CSV export. Who it's for • Grip sport and heavy-gripper training • Climbers and boulderers working hangs, pinch, and contact strength • Strength athletes who want carry and pull strength when it counts • Martial artists focused on grip in grappling and holds • Rehab and return-to-training—steady, measurable progress Why MrGripper • Purpose-built for hand and grip work—not a generic gym log bolted onto “grip.” • Native, uncluttered iOS UI so you spend time training, not hunting through menus. • Reliable logging and PR logic you can trust when you're chasing real numbers. Train your grip with the same focus you bring to everything else. Terms of Use: https://domanovdev.com/mrgripper/terms Privacy Policy: https://domanovdev.com/mrgripper/privacy

PowerSphere brings the thrill of a wrist power ball right to your fingertips. Spin, build speed, and feel the resistance — all without needing a physical device. Whether you're looking to strengthen your wrists and forearms or just enjoy the satisfying physics of a gyro spinner, PowerSphere delivers an authentic simulation experience. The intuitive controls let you start spinning with a simple gesture. As you build momentum, you'll feel the gyroscopic resistance grow through realistic haptic feedback. Track your RPM, challenge your personal records, and watch your speed climb on the live dashboard. PowerSphere is perfect for quick exercise sessions during breaks, rehabilitation exercises for wrist strength, or simply as a fun fidget activity. No batteries, no noise, no lost balls — just pure spinning satisfaction anytime, anywhere. Features: • Realistic gyroscopic physics simulation • Haptic feedback that grows with speed • Live RPM counter and speed dashboard • Personal records and achievement tracking • Multiple ball styles and colors to unlock • Clean, distraction-free interface