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The other apps you already pay for.

Vayl is built to coexist, not replace. WHOOP for the wrist data, Oura for the ring data, Strong for the lifts you log fastest — Vayl pulls them onto a single timeline you can read.

FeatureVaylWHOOPOuraStrongMyFitnessPal
Lifts (sets, reps, RPE)
Macros + foods database
Sleep + HRV + RHR
Substances log + PK curves
Cross-domain correlations
Self-tracked biomarkers
Cycle context (lens, not tracker)
Export PDF + CSV
No proprietary hardware
Offline-first mobile
Price$11.90/mo$30/mo*$6/mo + ring$4.99/mo$9.99/mo

* WHOOP price includes wearable subscription bundle · Oura excludes ring hardware cost