HeavyMuscle

Most gym apps just record what you already did. HeavyMuscle tells you what to do next — and does the thinking for you.

An AI coach in two modes builds your plan from a single sentence and reshapes each session around your injuries, equipment and recovery. Before you touch the bar, it shows the plates to load, generates your warm-up sets and pre-fills every set with your last numbers. Automatic PR detection and an estimated-1RM curve tell you the moment you get stronger.

873 animated exercises, a real rest timer and a recovery body map, in 6 languages. Create unlimited routines, log unlimited workouts, all offline from the first second.

AI Coach
• Two modes: Conversation for questions and adjustments, and Builder to generate a full plan from scratch.
• Generates a full workout from a single sentence ("30 min chest workout without barbell").
• Adapts today's workout to your injuries, available equipment and experience level.
• Reviews your last session or the full week and gives objective feedback.

Session and training
• Every set pre-filled with your last weight and reps — your previous numbers are right there at the rack.
• Plate calculator: see exactly which plates to load per side, for barbells and dumbbells.
• Warm-up sets generated automatically, ramped to your working weight.
• Rest timer with 3-2-1 beeps, a distinct end sound, vibration and a screen that stays on.
• Set kinds: warmup, drop-set, failure and cluster, plus super-sets.
• Reorder and swap exercises mid-session.
• Quick Start for one-off workouts without a template.
• Build and save unlimited workout templates — create, edit and reorder them freely.
• Retroactive logging: add a past workout from the history screen.
• Share a session as a post-ready image card (volume, sets, muscles).

Effort and progression (RPE/RIR)
• Rate how hard each set felt — RPE or reps in reserve, one tap after the set.
• Next time on the exercise, the app suggests the weight: up when it felt easy, down a notch when it was a grind.
• Suggestions land on weights you can actually load with your plates.

Progress and records
• Automatic PR detection with a record badge the moment you beat a best.
• Near-record hints during your set, so you know when a PR is in reach.
• Estimated-1RM curve per exercise to see your strength trending over time.
• Per-exercise stats screen with your full history and bests.

Exercise library
• 873 exercises, each with an animated demonstration, target and secondary muscles, equipment and difficulty.
• Mark favourite and avoided exercises — the AI Coach and Builder factor them in when generating your workouts.

History and analytics
• Recovery body map (front/back): see what's fatigued, recovering or ready to train today.
• Weekly volume per muscle as a body heatmap or ranked chart, with low/optimal/high zones and a delta vs. the previous period.

Full profile
• Body measurements with dated history.
• 10 injury zones (knee, shoulder, lower back, neck, elbow, wrist, hip, ankle, upper back, pelvis) with automatic filtering in the catalogue.
• Gender-aware workout builder that respects your equipment, goal and experience level.

Privacy and offline
• Works fully offline in anonymous mode: nothing leaves your phone until you sign in.
• Optional Google or e-mail login syncs workouts, templates and measurements to the cloud.
• Optional Health Connect sync on Android: writes your sessions and reads your weight.

Wear OS (smartwatch) — free watch app, unlimited workouts
• Companion app — log sets, run the rest timer and see the time left on your wrist, with live heart rate saved to the session.
• Start-workout Tile and watch-face complication — launch or resume a workout in one tap.

Languages
• English, Portuguese (BR), Spanish, German, French and Italian — switch instantly.

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Recent changes:
Several improvement and fixes