The gym tracker that tells you the next weight — with a free AI Coach and no sign-up.
Let's Workout is a workout log built for the middle of a set: big buttons, last session's numbers on screen, and a straight answer to "what do I lift today?". Logging works offline, and you never need an account.
WHY THIS ONE
• It tells you the next weight. Tap the weight on a set and it suggests the load: hit all your reps last time and it says go up; fall short and it says hold.
• A free AI Coach, no sign-up. Ask about a lift or your week, get a recap after each workout and a weekly note, and build or improve a routine in seconds. Free within daily limits. Loads come from the app's rules; the AI never picks one on its own.
• Genuinely offline. Logging, history, charts, plans and the written guides work with no signal. The AI Coach needs a connection.
• Your data, your rules. Free CSV export, import from Hevy or Strong, and one tap to delete your data or your account.
FAST WORKOUT LOGGING
• Big buttons, a custom number pad and smart weight/reps prefills
• Last session's numbers (PREVIOUS) on every set — beat them, tap, done
• Log a set by voice: say "Bench press, 80 kilos, 10" and check it before saving
• Optional voice coach: spoken rest cues with a 3-2-1 countdown
• Warm-up, drop and failure sets, plus a one-tap warm-up generator
• Auto rest timer with per-exercise overrides and a live notification
• Plate calculator, supersets, reordering, notes and "repeat workout"
• Cardio too: log time and distance
AI COACH — OPTIONAL AND FREE
• Ask the coach: "How is my bench press going?" or "Which lifts are stalled?"
• A recap after every workout and a coach's note on your week
• Build my program: answer a few questions — quick mode offline, or with AI
• Improve a routine and see why each alternative fits when you swap an exercise
• Physique check: from a front photo (and a back one if you like), see on your muscle map which muscles could use more training, with weekly set targets you review before anything changes. Separate consent, 18+.
SEE YOURSELF GETTING STRONGER
• Estimated 1RM, volume and consistency charts per exercise
• Personal records tracked automatically, with a trophy the moment you beat one
• Muscle heat map, body weight trend and monthly history stats
1,100+ EXERCISES WITH DEMOS AND GUIDES
• Animated demos and anatomy diagrams of the muscles worked
• A written guide for every exercise: setup, how-to, common mistakes, safety
• Search by name, muscle or equipment; add your own exercises
WORKOUT PLANS AND HABIT
• Ready-made routines: ABC split, hypertrophy, 5×5 strength, glutes, calisthenics and more
• Plan your week by weekday or as a rotation
• Weekly goal with streaks, achievements and a weekly recap
• Share a workout card or a routine your training partner can open and save
APPLE WATCH AND APPLE HEALTH
• Start today's routine, log sets and follow the rest ring on Apple Watch; cardio sets record time and distance
• Rest timer on the Lock Screen as a Live Activity, with +15s and Skip (iOS 17 or later)
• Optional Apple Health sync for finished workouts and body weight
Let's Workout is free: logging, library, charts, plans and CSV export. The AI Coach is free within daily limits.
Not a medical device: it does not diagnose, treat, cure or prevent any condition. AI Coach answers are general fitness information, not medical advice. Consult a healthcare professional for medical advice.
Train. Track. Evolve.
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