Card.io is the ultimate gamified fitness game that transforms outdoor cardio into a thrilling team-based turf war. Perfect as a run tracker, workout app, or mile tracker, Card.io makes every step count. Featured on Shark Tank, it’s your gateway to fun, fitness, and friendly competition. Here's why you'll love it:

Join a Team

Connect with friends, brands, or communities to create your fitness squad. Participate in group running challenges, virtual running events, or outdoor cardio adventures. Whether for fun or competition, Card.io is the best social fitness app for building your fitness community.

Claim Your Turf

Turn your outdoor cardio—running, walking, or biking—into a city-wide turf war. Claim and defend real-world territories, track your routes, and compete for dominance in this outdoor cardio app. Pace and calories don’t matter—your effort does.

Track Your Progress

Card.io isn’t just a fitness tracker app; it’s your personal motivator. Log essential stats like distance, pace, and calories burned while chasing your fitness goals.

Rise Up the Ranks

Climb your team’s leaderboard by claiming turf and completing challenges. From daily workouts to marathon training, the more you play, the more rewards you earn in this exercise tracker app.

Earn Real Rewards

Win prizes, gear, and exclusive offers by completing challenges or dominating the leaderboards. Card.io turns your fitness efforts into tangible rewards.

Customize Your Adventure

From personalizing your avatar to strategizing with your team, Card.io makes cardio fun and engaging. It’s the ideal fitness game for anyone—from casual walkers to competitive runners.

Compete & Collaborate

Stay motivated with features like player taunts, real-time turf updates, and team gameplay. Enjoy bonuses when you claim turf together, or compete head-to-head in running games and fitness challenges.

Whether you're looking for a running game, a mile tracker, or a gamified workout app, Card.io transforms exercise into an adventure you’ll love.