The Mechanics
Of Hypertrophy.
Jakd isn't just a logger; it's a motivating feedback loop for your training. We've distilled the science of muscle growth into a game that rewards consistency.
The Mechanics
Of Mastery.
We converted the science of hypertrophy into a high-stakes dopamine loop. Consistency is the only secret—we just made it addictive.
XP Economy
Every set earns you 10 XP. Hit a PR for a 50 XP bonus. Your volume is your currency.
Routine Mastery
Each routine has its own rank. Stay consistent to raise routine rank and unlock XP multipliers.
Squad Battles
Weekly leaderboards with your circle to keep accountability high and momentum rolling.
AI Spotter
Analyzes your workout history, flags stalls, and prescribes next-session set/rep/load targets.
Overload Intelligence
See 'Ghost' values from your last session to ensure you're always pushing forward.
Progress Milestones
Track how your training compounds over time with milestones and badges that reflect real consistency.
Spotter Insights
Your History In.
Clear Coaching Out.
The Spotter reads your recent training, flags stalls, and prescribes your next set/rep/load adjustments. No guesswork. Uses your own workouts, not generic templates.
Remotion concept demo
Preview Scenario
The Spotter
Example coaching conversation using your training data
Tool Call: getTrainingSnapshot
ResultWorkouts
14
Volume
184,320
PRs
4
Streak
6d
+18% volume
Top Wins
- Barbell Bench Press: 235 weight
- Weighted Pull-up: 11 reps
Flagged Stall
Romanian Deadlift: 225 ➜ 230
Pressing volume is moving in the right direction. Next lower session, bump RDL to 230 and keep your streak alive.
Ready to evolve?
Start Building MomentumLearn More
Apply the product mechanics with step-by-step training guides
Explore practical guides for workout logging, progressive overload, and hypertrophy tracking so your plan turns into repeatable results.