Strontr

Strontr

Strength & Cardio Tracker

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Free

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Details

  • Released
  • Updated

Features

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About

Strontr is the workout app built for lifters, runners, and anyone who wants structured training without the spreadsheet. Plan your gym splits, log every set, track runs and walks, and watch your fitness evolve week after week. WORKOUT PLANNING • Build custom training splits with any number of days • Merge days into combined sessions when life gets busy • Assign workouts to specific days, or leave them flexible with "Any Day" • Merged days stay pinned to the top so you can find them fast SMART LOGGING • Quick set logging with weight, reps, RPE and notes • Rest timer that starts automatically between sets • Exercise history at a glance — see your last performance on every lift • Personal records tracked silently in the background EVOLVE PLANS • Let Strontr progress your program for you • Automatic weight and rep adjustments based on how your last sessions went • Consistent exercise naming so your history never breaks CARDIO & RUNNING • Quick-start a run, walk, or hike with a single tap — no setup, no program • Or follow a structured running program with intervals and pacing • Track distance, pace, time, and route until you manually end the session CLEAN, FAST, FOCUSED • Designed for one-handed use between sets • Works offline at the gym • No ads, no clutter, no social feed — just training Strontr is the clean, focused workout app for strength training and cardio. Build gym splits, log every set, follow evolving programs, track runs and walks, and keep your training organized without the spreadsheet. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in Strontr

10.15.17

August 2, 2026

Strontr is completely free right now, and it’s our way of saying thanks: join before August 11 and you’ll keep Lifetime PRO, free for life — even after paid plans arrive. This update makes Strontr’s Evolve Plan even smarter: * Machine taken? Carry any exercise to later that week — your Evolve Plan counts it like you did it on the day; * Swap any exercise for a smart same-muscle alternative that fits your equipment — for today or for good. Evolve remembers what you drop, and brings it back if you ever add it again; * Each exercise now adapts individually to your recent performance — cleaner rep ladders, smarter weight progression; * Set your goal (Strength, Hypertrophy, Endurance, or General) and Evolve tunes rep ranges and increments to match; * Your existing Evolve Plan picks all this up on its own — nothing to recreate. New to cardio? Strontr’s Cardio Evolve Plan now eases you in properly — starting with walks at your chosen session length and growing week by week into walk/run intervals and full runs. Plus: smarter day merging, auto-adjusting rest timers, a clearer NEXT UP set, better translations across all 11 languages, and various fixes. Train heavier. Run further. Own the streak.

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