trAIner - AI Strength Coach

New: a Readiness score computed from your actual training — on your phone, no wearable needed. Plus free next-set guidance: exact weight and reps, every workout.

trAIner tells you what to do next — not just what you already did.

Most lifting apps are just a logbook. trAIner's offline suggestion engine tells you the exact weight and reps to hit on your next set — tuned to your training history, your equipment, and how hard your last session actually felt. No internet, no account, no guesswork.

NEW — KNOW WHEN TO PUSH trAIner now scores your readiness 0–100 from your actual training — recent workload, session intensity, and how you said you felt. Check it on the home-screen widget before you even open the app, and see how hard every workout really was (Light to Very Hard) on your post-workout summary. Computed on your phone. No wearable required.

WHAT YOU GET FREE

• A smart engine that prescribes your next set, fully offline
• Readiness score + home-screen widget
• An intensity read on every finished workout
• Apple Watch app — start, track, and finish from your wrist
• Apple Health — writes finished workouts to your rings
• Plate calculator, PRs, and volume & consistency stats
• A 600+ exercise library

trAIner PRO — YOUR AI COACH Upgrade for an AI coach that reasons over your training, not generic templates:

• Daily, weekly & monthly insight — what changed, what's working, what to push next
• An adaptive program that plans your training in blocks and adjusts when it drifts
• A post-workout recap — the coach's read on every session you finish
• Query Coach — ask anything about your training, form, or program
• Per-exercise form cues tuned to your goal, experience, and any injuries you flag

PRIVATE BY DEFAULT No accounts. No ads. No tracking. Your data lives on your device and syncs through your own iCloud. The AI works out of the box — no login or API key needed.

Built by a lifter, AI-paired. If you've outgrown a spreadsheet and want structured progression with a coach's judgment, trAIner is built for you.

— trAIner Pro is an auto-renewable subscription: $7.99/month or $39.99/year, with a 14-day free trial. Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless auto-renew is turned off at least 24 hours before the current period ends. Manage or cancel anytime in your Apple Account settings.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bgale06.github.io/trainer-privacy/