🧠 Personalized Science
Mifflin-St Jeor BMR, TDEE math, and evidence-based macro targets.
AI FITNESS COACH
Meet TJAI.
Take the adaptive assessment for a free preview. Unlock one full personalized TJAI plan for $10.
Analyzing your profile...
Calculating BMR, TDEE, and macros...
Building your 12-week training split...
Quiz preview is free. Full plan generation is paid at checkout.
What TJAI does
📅 12-Week Plan
Weekly training schedule + daily meals, sets, reps, rest, and structure.
📊 Science-Based Numbers
BMR, TDEE, and evidence-based macros. Calculated for YOUR body using Mifflin-St Jeor formula.
🔄 Adaptive
If progress stalls, TJAI updates training load and nutrition targets.
See what a TJAI plan looks like
| Day | Workout | Exercises | Duration |
|---|---|---|---|
| Monday | Push Day | Bench, OHP, Dips | 45 min |
| Tuesday | Pull Day | Deadlift, Rows, Curls | 45 min |
| Wednesday | Legs | Squat, RDL, Split Squat | 50 min |
Choose your level
Core (Free)
Adaptive preview + metrics snapshot Preview the system before buying
Choose →Pro ($6/mo)
Unlimited TJAI chat Discount code + early access Daily meal email (early access)
Choose →Apex ($10/mo)
Everything in Pro Full regeneration Advanced meal swaps + deeper adaptation
Choose →One-time TJAI ($10)
Generate one adaptive plan Download PDF No subscription required
Choose →FAQ
How accurate is TJAI?
What languages does TJAI support?
Is TJAI a replacement for a personal trainer?
Can TJAI handle dietary restrictions?
How is TJAI different from MyFitnessPal / other apps?