MaxRep: 1RM Calculator

Never guess your one rep max again. You just hit 225 lbs for 5 reps on the bench. What's your single rep max? MaxRep tells you in milliseconds: 262.5 lb, Epley formula, and which plates to load to attempt it. The strength calculator that replaces your spreadsheet. Enter any weight, any rep count, any lift. MaxRep applies the Epley one rep max predictor, the gold-standard estimator used worldwide, and returns a precise single rep max in real time. Free forever. No account. No tracking pixels. But MaxRep is more than a 1RM calculator. It's the complete computation layer for strength training: plates, percentages, RPE, warmups, strength standards, and 5/3/1 programming. Everything you need between sets, in one app. The numbers are right, and they show their work. Every formula is cited inside the app: Epley for 1RM, Tuchscherer for RPE, Wendler for 5/3/1. And the plate calculator respects the plates your gym actually has, so it never calls for weight you do not own. A calculator you have to double-check is not a calculator. What you get free: • Instant 1RM via the Epley formula, with no account, no limits, no upsell wall • Visual plate calculator that shows exactly which plates to load on the bar to hit any target weight • Percentage table, 40 to 100% training loads for any 1RM, with plate loading per row • Exercise library, 20 preset lifts plus unlimited custom entries • lbs / kg toggle, set once and applied everywhere Unlock Pro ($9.99, one time): • RPE / RIR table: convert perceived exertion to percentage of 1RM instantly, based on Tuchscherer's chart • Warmup ramp generator: progressive warmup sets calibrated to today's working weight, with plate loading per set • Strength level rankings: see where you stand from Beginner to Elite by bodyweight and gender for Bench Press, Squat, Deadlift, and Overhead Press • Backoff set calculator: compute follow-up volume from your top set with plate breakdown • Unlimited history: per-exercise line chart tracks your estimated max day-over-day • Custom plate inventory: configure bars, plates, and collars per gym • Training max toggle: switch the percentage table between true 1RM and 85% / 90% training max • Home screen widget: your latest 1RMs, always current • PDF export: full training history, formatted and printable Coach tier ($19.99 / year or $39.99 lifetime): For serious programmed lifters and competitors. Everything in Pro, plus: • 5/3/1 cycle generator: enter your training maxes, get a full 4-week Wendler block with exact weights and plate loading for every set • Advance Cycle: log your Week-3 AMRAP reps and the app applies Wendler's "5+ to add weight" rule, bumps your training max, and regenerates the next block. Real progression, not a one-shot calculator. • Fatigue detection: trend analysis flags when a lift is declining and suggests deloads • Meet attempt calculator: auto-select opener, second, and third attempts from your estimated max, with plate calls for the platform • Multiple gym profiles: save plate inventories for home, commercial gym, or competition No subscription to use the calculator. Plenty of apps lock the plate calculator or percentage table behind a monthly subscription. MaxRep keeps the core tools free, and Pro is one payment for permanent access, no recurring fee. Coach adds programming and competition tools as a yearly plan or one-time lifetime unlock. Either way your data stays on your phone. Built for: → Powerlifters tracking squat, bench, and deadlift readiness for competition → Strength coaches who need a credible, formula-backed estimate without a spreadsheet → CrossFit athletes logging 1RM benchmarks across a rotating exercise library → 5/3/1 followers who need precise load tables and AMRAP-driven progression each cycle Your training data deserves better than a guess. Download MaxRep free and know your true 1RM in two taps. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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