The hypertrophy method, in an app

Your 4th set is mostly fatigue.

Strenix is the hypertrophy coach that trains every muscle while it's fresh — so every hard set actually builds it. More frequency. More top sets. More growth.

Coming soon to iPhone · Free to start

Ready to traintoday
GlutesFresh4d
QuadsFresh3d
BackReady2d
ChestRecovering8h
The science

The first hard set builds the most muscle. Every set after does less.

By your fourth set, fatigue has gutted your output — same reps, a fraction of the stimulus. Pile them into one weekly session and most of your "volume" is just accumulated fatigue.

Set 1
Set 2
Set 3
Set 4
The shift

Stop training muscles once a week.

The old way · high volume

Chest, once a week

Set 1 is excellent. Set 2 is solid. By sets 3 and 4, you're grinding through junk volume for a sliver of the stimulus. You leave wrecked — and the muscle sits idle for six days.

One good set, buried under tired ones.

The Strenix way · high frequency

Chest, three times a week

Every session the muscle is recovered, so every top set lands at peak performance. Three fresh, high-quality stimuli a week instead of one — same time in the gym.

Far more of the stimulus that actually grows muscle.

The method

Effective Reps, operationalized.

Strenix scores your training by stimulus — not ego, not volume. Four ideas drive everything.

Top sets, not junk sets

Your first near-failure set on a muscle each day drives the most growth. Strenix tracks it — and counts your quality sets per week.

Higher frequency

Hit each muscle 2–3× a week — the natural lifter's sweet spot — instead of one exhausting weekly blast.

Train fresh

A recovery board shows exactly which muscles are recovered and ready — so you train each one at peak, not too soon or a week late.

No junk volume

Strenix tells you when you've earned the stimulus and the next set is just fatigue. Do less, grow more.

For everyone serious about growth

Built for glutes, too.

Glutes recover fast and grow best with frequency — which makes them the perfect muscle for this method. Skip the endless burnout sets of influencer "booty" programs. Strenix shows you when your glutes are fresh, counts the quality sets that actually build them, and adds load week over week. Same for chest, back, quads, and arms — every muscle you want to grow.

The app

Everything points at growth.

Recovery board

See which muscles are fresh, ready, or still recovering — before you train.

Method-built programs

Generate a split that hits each muscle 2–3× a week, tuned to your schedule — or build your own.

Top-set tracking

Log working sets fast, with effective reps and RIR built in. Double progression tells you when to add weight.

Strength trends

e1RM charts and PRs that separate real progress from day-to-day noise.

Fast nutrition + AI

Log a meal in seconds — search, barcode, or just snap a photo and let AI handle the macros.

Adaptive diet coach

Strenix reads your weight trend and tunes your calories to hit your goal — automatically.

Pricing

Free to start. Pro when you're serious.

Free
The full method, forever
$0
  • Unlimited workout logging
  • The recovery board
  • One method-built program
  • Manual & barcode nutrition
  • 5 free AI meal logs
Strenix Pro
Everything that compounds your results
$4.99 / mo · or $29.99 / yr
  • Unlimited AI photo & describe logging
  • Adaptive diet coach
  • Trends & real expenditure
  • Unlimited programs
  • Everything in Free
Train by stimulus

Build more muscle — same time in the gym.

Be first to know when Strenix hits the App Store. No spam, just launch day.

You're on the list — see you at launch. 💪