Really helpful
Definitely surprised at how much I’ve learned already. I’ve only done the practice sessions but it’s awesome to know exactly what I need to try and improve each workout. Already more confident for my race in October
Free
In-App Purchases
About
This app creates personalized fueling plans for endurance races like marathons and ultras. It considers your goal time, body's fuel burn rate, sweat rate, course details, preferred products, and race day weather to optimize performance. It also provides live race-day guidance and training instructions to improve gut capacity.
✓Individualized fueling plans
✓Race course integration
✓Personalized to body and goal
✓Weather-adaptive plans
✓Live race-day guidance
✓Gut training instructions
✓Product preference integration
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What's New in CarbRate
1.0
September 9, 2026
3
Subscriptions & In-App Purchases
Pro Monthly
Full race plan, weather re-planning and live cues
$9.991 Month
User reviews
Developer apps
FAQ
What is CarbRate?
CarbRate is an app designed to create personalized fueling plans for endurance races. It helps athletes determine exactly how much, when, and what to eat and drink to maximize their race day performance.
How does CarbRate personalize my fueling plan?
CarbRate considers your goal time, how fast your body burns glycogen, your measured sweat rate, the race course, your preferred gels and drinks, and the weather on race day to build your plan.
Can CarbRate help me train my gut?
Yes, CarbRate provides detailed practice instructions to train your gut before the race. It guides you on how to gradually increase your fuel intake during long runs to improve your stomach's capacity.
Does CarbRate offer live guidance during a race?
Yes, on race day, CarbRate provides live guidance with calm voice prompts that announce each gel and drink before it's due, ensuring you stick to your plan without needing to constantly check your phone.
What features are available for free in CarbRate?
The free version provides your carb and fluid targets for the entire race, a mile-by-mile fuel level chart, the first hour of your race-day schedule, the first course lesson, one guided sweat test, and a race countdown with daily fueling tips.
What are the subscription options for CarbRate?
CarbRate offers 'Pro Monthly' for $9.99 per month and 'Pro Annual' for $89.99 per year, providing access to all premium features.
Is CarbRate available on multiple devices?
Based on the provided data, CarbRate is currently supported on iPhones. Information regarding Android or other device compatibility is not available.
How often is CarbRate updated?
CarbRate was last updated on September 9, 2026, with version 1.0. This indicates it is a new release, and future update frequency will depend on the developer's release schedule.
