Train Smarter, Not Just Harder

The first training app that balances strength, cardio, and isometric workouts with science-backed training load analysis to prevent injury and optimize progress.

App Store (Coming Soon) Google Play (Coming Soon)
3-in-1 Training Types
ACWR Load Analysis
AI Smart Recommendations
Cross App Dashboard

Built for Hybrid Athletes

Whether you're a runner who lifts or a lifter who runs, Cross helps you balance both without overtraining.

Strength Training

Track weight, reps, sets, and rest times with intelligent progression tracking.

Cardio Workouts

Log distance, pace, heart rate, and elevation for running, cycling, or HIIT.

Isometric Holds

Track plank times, wall sits, and other isometric exercises with RPE ratings.

ACWR Analysis

Monitor training load with Acute:Chronic Workload Ratio to stay in the sweet spot.

AI Recommendations

Get personalized workout suggestions based on your performance and goals.

Cloud Sync

Secure backup with Supabase and access your data across all devices.

Beautiful, Intuitive Interface

Cross combines powerful analytics with a clean, modern design that makes tracking workouts effortless.

Cross Dashboard Screen

Dashboard

Quick overview of your training load, streak, and upcoming workouts at a glance.

Cross Active Workout Screen

Active Workout

Track sets, reps, RPE, and rest times with built-in timer and exercise library.

Cross Progress Analytics Screen

Progress Analytics

Monitor training load with ACWR charts to stay in the optimal training zone.

Cross Routines Screen

Workout Routines

Create, edit, and organize custom workout routines with our intuitive editor.

Cross Achievements Screen

Achievements

Stay motivated with badges, streaks, and challenges that celebrate your progress.

Cross Settings Screen

Settings & Profile

Customize notifications, training alerts, and manage your account preferences.

Train Smarter with ACWR

Cross implements the Acute:Chronic Workload Ratio (ACWR) – the same science elite athletes use to prevent injury and optimize performance.

  • AU Calculation: Session RPE × Duration
  • Acute Load: 7-day training fatigue
  • Chronic Load: 28-day fitness base
  • Sweet Spot: 0.8-1.3 ACWR for optimal progress
  • Personalized Targets: Recommended weekly AU based on your history
Start Training Smarter
SAFE ZONE
0.8-1.3 ACWR
CAUTION
1.3-1.5
DANGER
>1.5
Your ACWR: 1.12 ✅

Ready to Cross-Train Better?

Join the waitlist for early access to the only training app built specifically for hybrid athletes.

Join iOS Waitlist Join Android Waitlist

Currently in development. Expected release: Q2 2026