RepEight is the gym app built for lifters who care about every rep. Log workouts with weight, reps, and RPE. Track personal records automatically. See when you're ready to train each muscle again. Train with an AI coach that actually knows your history — on iPhone, Apple Watch, and your Lock Screen.
Whether you're building muscle, chasing strength PRs, or staying consistent, RepEight gives you serious tracking and intelligent coaching in one app.
LOG WORKOUTS LIKE A PRO
• Log sets, reps, weight, RPE, rest time, and notes in real time
• Previous bests shown on every set so you know what to beat
• Built-in rest timer and instant PR alerts when you hit a new best
• Start empty, use a saved routine, or follow a structured program
• Session summary, full workout history, and incomplete set review
1,300+ EXERCISES WITH DEMO ANIMATIONS
Browse 1,300+ strength, cardio, mobility, and bodyweight exercises with animated demonstrations. Search and filter by muscle group. Build custom exercises with RepEight Pro.
PERSONAL RECORDS — AUTOMATIC & SEARCHABLE
RepEight detects PRs as you train — no manual entry needed.
• Track 1RM, max weight, volume PRs, and rep PRs
• Searchable PR hub with muscle group and time period filters
• Strength curves, exercise-level PR history, and share-ready PR cards
RECOVERY INSIGHTS
Per-muscle readiness based on your recent volume — with 24h, 48h, and 72h recovery windows. Train hard when you're ready. Back off when you're not.
27 BUILT-IN PROGRAMS
Structured plans across Strength, Bodybuilding, Hybrid, Yoga, Cardio, and Mobility — including Push/Pull/Legs, Starting Strength 5×5, HIIT, and more. Save your own routines in folders.
KAI, YOUR AI COACH
Kai learns how you train — bodybuilding, powerlifting, hybrid, or general fitness — and adapts to your experience level, from beginner to advanced. Chat anytime, get weekly plans, post-workout debriefs, and proactive check-ins. Generate full workouts tailored to your equipment and goals. The AI workout analyzer scores sessions and tracks progressive overload. Quarterly training review with Pro.
COMPARE & TRAIN WITH FRIENDS
Head-to-head stats for workouts, volume, sets, and duration over 30d, 90d, 1y, or all time. Side-by-side exercise comparisons. Social feed, DMs, group chats, workout sharing, and training badges.
APPLE WATCH & LIVE ACTIVITY
Log weight, reps, and sets from your wrist. Live Activity on Lock Screen and Dynamic Island shows your current exercise, set count, and rest timer (Pro, iOS 16.2+).
PROGRESS & APPLE HEALTH
Workout heatmap, training streaks, muscle group breakdown, body heatmap, and weekly summary. Sync with Apple Health — read steps, energy, and sleep; write workouts back to Health.
WHY LIFTERS CHOOSE REPEIGHT
Serious set logging with RPE and rest timers. Automatic PR detection. Muscle recovery windows. An AI coach that adapts to how you train. 27 programs plus custom routines. Compare stats with friends. Apple Watch and Lock Screen tracking. Share-ready workout and PR cards.
Download RepEight and put a strength tracker, PR log, and AI coach in your pocket.
RepEight Pro
Unlock unlimited AI coach chat and workout generation, advanced analytics, unlimited routines, full PR history, quarterly coach review, Live Activity, and custom exercises.
Plan: RepEight Pro Monthly
Duration: 1 month, auto-renewing
Price: £3.99/month (localized price may vary)
Payment is charged to your Apple ID at confirmation. Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in App Store account settings.
Privacy Policy: https://www.repeight.com/privacy
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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