Now Available on iOS

Run smarter.
Train harder.
Reach your best.

FluxRun tracks every step with precision GPS, analyzes your performance with AI coaching, and helps you break personal records — all in one powerful app.

4.9 / 5  ·  Loved by runners worldwide
Live Run
RECORDING
5:42
Pace /mi
3.8
Distance mi
158
Heart Rate bpm
AI
AI Coach Great pace! Ease off by 8 sec/mi to stay in your aerobic zone for this segment.
4.9★
App Store
AI
Smart Coach
4.9★
App Store Rating
GPS
Precision Tracking
AI
Powered Coaching
Free
To Download
Core Features

Everything you need to
run at your best

From your first jog to race-day pacing, FluxRun adapts to every level and goal.

Precision GPS Tracking
Ultra-accurate GPS records your exact route, pace, elevation, and splits in real time — even in dense urban environments.
Live map
AI Run Coach
Personalized coaching that analyzes your performance history and delivers actionable insights to help you train smarter.
FluxRun Pro
Heart Rate Monitoring
Connect any Bluetooth heart rate monitor or use Apple Watch. Track zones, recovery, and aerobic fitness trends over time.
BLE & Apple Watch
Segments & PRs
Compete on local course segments and automatically track your personal records. Get notified in real time when you set a new best.
Auto-detected
Advanced Analytics
Dive deep into your training load, weekly mileage, VO2 max trends, and recovery scores from a beautiful health dashboard.
FluxRun Pro
Running Clubs
Join local running clubs, share your activities, cheer on friends, and stay motivated with a community of runners.
Social
Apple Health & Watch
Seamlessly syncs all workouts to Apple Health. The FluxRun Watch app shows live metrics on your wrist mid-run.
Native integration
Route Planning & GPX
Import GPX routes from any platform. Plan your run ahead, follow the route on the live map, and export your data anytime.
GPX Import/Export
Siri Shortcuts
Start, pause, or stop runs with your voice. "Hey Siri, start a run in FluxRun" — no hands, no taps required.
Hands-free
How It Works

Up and running in
under 60 seconds

1
Download & Create Your Profile
Get FluxRun free on the App Store. Sign up in seconds with Apple ID, Google, or email. Set your goals and running preferences.
2
Lace Up and Tap Record
Hit the record button, step outside, and run. FluxRun locks onto GPS instantly and begins tracking your pace, distance, and heart rate in real time.
3
Review Your Performance
After every run, get a detailed breakdown — split pacing, elevation map, heart rate zones, and calories. Your history builds a complete training log.
4
Get Coached by AI
Upgrade to FluxRun Pro and unlock personalized AI coaching — weekly training plans, recovery recommendations, and performance insights tailored just for you.
Weekly Training Load
This week+12% vs last week
Aerobic Fitness (VO₂ Max)
Estimated52.4 ml/kg/min
Recovery Score
Today88 / 100 — Ready
Segment PRs This Month
3 of 6 goals hitKeep going!
Runner Reviews

Loved by runners everywhere

Real feedback from our community of runners.

"The AI coaching feature is unlike anything I've used before. It actually adapts to how I'm feeling week to week. Hit my half marathon PR using FluxRun's training plan."

S
Sarah M.
Half Marathon Runner

"GPS accuracy is dead-on — even in Manhattan. The segment PR feature makes every neighborhood run feel like a competition. Best running app I've tried."

J
James T.
Daily Runner · NYC

"The Apple Watch integration is seamless. I get all my metrics on my wrist, and the health dashboard gives me insights I never had before. Worth every penny of Pro."

A
Aisha K.
Triathlete

Start your best run today.

Download FluxRun free and join runners who are training smarter, running faster, and loving every mile.

Free to download  ·  FluxRun Pro available via in-app subscription  ·  iOS 16+ required