Exact Fuel: Fuel Smarter
Hydration & Nutrition Coach
Free · In‑App Purchases · Designed for iPad
Stop Guessing. Start Performing. Exact Fuel is a data-driven fueling engine built to eliminate the "bonk." By syncing your training history with environmental modeling,we provide the exact carbohydrates and electrolytes needed for any activity.
FUELING DRIVEN BY DATA
Most nutrition apps give you static targets. Exact Fuel is dynamic. We bridge the gap between your physiology and your performance by modeling your sweat rate, electrolyte turnover, and metabolic requirements based on the specific conditions of your event.
UNLOCK THE ENGINE (FREE 2-WEEK TRIAL)
Every plan starts with a 14-day free trial, giving you full access to our predictive modeling and analysis tools.
Event-Specific Planning: Create mile-by-mile fueling strategies for Marathons, Triathlons (Sprint to Ironman), and Gran Fondos. Our engine accounts for heat, humidity, and intensity to forecast your requirements before you start.
Seamless Strava Sync: Connect your account to import your activities automatically. We analyze your pace, heart rate, and power data to turn every workout into a fueling insight.
The "Exact Scoop" Calculator: Using the Exact Fuel Drink Mix? Get specific dosing recommendations tailored to your unique sweat profile—eliminating the guesswork of generic servings.
Post-Workout Analysis: Review your performance after every sync. Understand your sodium and fluid turnover to ensure your recovery is as calculated as your training.
MAP YOUR RACE DAY
Predictive Strategies: Build a strategy for any environment. Whether it’s elevation gains or a predicted heatwave, your plan evolves with the race-day forecast.
Prevent the Bonk: Receive specific carbohydrate and fluid timing to keep your energy stable and your gut happy during high-intensity efforts.
Dynamic Daily Tracking: View your daily targets for Sodium, Carbs, and Water. When you sync a heavy session, your goals auto-adjust to ensure you are fully recovered for the next day.
ANALYZE YOUR BIOLOGY
Sweat Rate Calculator: Use our weigh-in tool to identify your specific sweat rate (L/hr).
Sodium Loss Modeling: Identify your electrolyte turnover to prevent cramping and cardiac drift.
Consistency Tracking: Monitor your fueling efficiency across your season with streak tracking and metabolic PRs.
BUILT BY ATHLETES, FOR ATHLETES
Developed by competitive triathletes and validated by nutrition scientists, Exact Fuel is engineered for Runners, Cyclists, and Hybrid Athletes who prioritize data over generic advice.
SUBSCRIPTION PRICING & TERMS
Exact Fuel offers three tiers to fit your season:
Monthly: $3.99/mo – Flexible performance tracking.
Annual: $29.99/yr – Best value for year-round training.
Lifetime: $149.99 – A one-time investment in your athletic future.
Note: All new users receive a 2-week free trial. Subscriptions can be managed and canceled anytime through your App Store settings.
Download Exact Fuel today and turn your hydration into a competitive advantage.
Medical Disclaimer: Seek a doctor’s advice in addition to using this app and before making any medical decisions
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
Bug fixes & premium features
The developer, IMASSE, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Contact Info
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- IMASSE, LLC
- Size
- 28.4 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Subscription $149.99
- Monthly Subscription $3.99
- Annual Subscription $29.99
- Copyright
- © 2025 Exact Fuel, LLC