hybridAF
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01Strength
Strength index81
Squat1.9 ×bw
Deadlift2.3 ×bw
Bench1.3 ×bw
Indexed against bodyweight, not ego
02Engine
VO₂ · trailing 12 wkEngine 74
03Fusion
Strength 71 × Engine 7472
One number you can't fake by being good at half of it.
Get yoursIt moves with your training · it falls when you stop
04The instrument
Fig. 03 · Production unit27 sources · the science ▸
05Measure yourself
What's your number?
Your estimated Hybrid Score
35
Warrior III
≈ top 65%
± 22 points
Estimate accuracy0%
Add more below to sharpen it: the number tightens as you do.
Strengthest35
Engineest35
This is an estimate. The app measures the real thing: it logs your lifts, syncs your runs, and the number moves with you. Free on the App Store.
You
Strength
best set · kgSquat×
Bench×
Deadlift×
Overhead press×
Engine
06The first two minutes
Step 1
Download
Free on the App Store. No card, no plan to pick.
Step 2
Connect or log
One-tap Apple Health and Strava sync. Or log one lift and one run by hand.
Step 3
Read your number
Strength, engine, and the Hybrid Score, graded against published population standards.
Median time from signup to first score, measured across the 31 accounts that have reached one: 6 seconds
07Straight answers
- Is the score real or made up?
- Both pillars grade against published population standards on one ladder. All 27 sources are public at /science, which also states plainly which parts are our own design choices.
- I already pay for Strava, Whoop, or a coach.
- It does not replace them. It reads from them and produces the one verdict none of them do: whether the way you split your week is making you more complete.
- I don't race HYROX.
- Neither do most users. HYROX is one supported goal type, not the point.
- I don't have a wearable.
- The engine index falls back to a recent hard run. Everything else can be logged by hand.
- Is my health data sold or used for ads?
- No. Never.