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DQS Mobile vs Saturday: Pro Fuel & Hydration Usage & Stats
This is the official Racing Weight Diet Quality Score App, now with the ability to save your DQS data for as long as you want and view graphs of your progress over time!
This app allows you to calculate your daily Diet Quality Score (DQS) as described in Matt Fitzgerald's book, Racing Weight.
The Diet Quality Score is a simple instrument that allows athletes to measure the overall quality of their diet. The DQS Mobile app was designed to make it as easy as possible to calculate a Diet Quality Score each day.
As you eat throughout the day, enter the servings of each category of food that you consume. Tap a box to consume one serving of that category, tap it again and it will become a half serving, and one more tap will set it back to zero for that box. You can tap the category name to view an explanation of what foods fall under that category. Your total DQS score for the day is shown in the upper right corner of the page. DQS data is saved for each day you track it.
You can also log your weight and body fat % on the bottom of the Tracking page. We recommend you log your weight no more than once per week.
The Graphs page lets you see how you are doing with your Diet Quality Score over time. You can view your data over the last week, month or year. When viewing yearly data, it is displayed as 52 week-long averages. You can view graphs showing your total DQS, your weight, or your DQS score by specific category.
You can set a target weight, body fat % and a target DQS score on the Profile page.
SUBSCRIPTION INFORMATION:
New users: Start with a 7-day free trial!
- Monthly plan - flexible month-to-month access
- Annual plan - significant savings for committed athletes
Note: Users who previously purchased DQS Mobile maintain access to current features at no additional cost. Thank you for being an early supporter!
Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to your Apple account at confirmation of purchase after the free trial ends. Subscriptions may be managed and auto-renewal may be turned off by going to your Account Settings after purchase.
- Apple App Store
- Free
- Health & Fitness
Store Rank
- -
"Saturday has been incredible both with taking the guess work out of fueling and improving my workouts... definitely recommend!" - Dan Laurich, Triathlete
"My half marathon was AMAZING! 7-minute PR! The fuel was great. Everything just clicked. Big confidence boost. I feel ready to get back to my training tomorrow. I’m happy!" - Kasie P., Runner
"If you want to get out of the black box of mid ride/race nutrition needs, Saturday
is the app for you!" - Skip Kastroll - XC & Enduro MTB racer
"I’ve trusted Saturday for everything. From hot laps with the guys to ultra endurance gravel races." - Tarah Romano, Cyclist
"I hate training without it." - Michelle Howe, professional triathlete
Saturday makes elite endurance nutrition accessible and easy so you can be confident and relaxed on race day.
Save your pain tolerance for your big event.
Saturday is designed to deliver the best training session of your life, or your money back.
Gone are the days of shelling out hundreds on hydration products that are just wild guesses or some corporate-influenced industry "standard."
When has anyone wanted to be called "standard" anyway.
You deserve better.
Better science.
Better individualization.
Optimized fuel & hydration tailored to you, your training, and your environment, Saturday will revolutionize your endurance experience.
You deserve more.
More thoughtfulness.
More paying attention to details, so you don't have to.
No more paying premium prices for private nutrition coaching, just to have confidence in your fuel & hydration plan.
We should all be able to fuel the sports we love.
Our science.
Your joy.
Taking you farther.
End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy policy: https://docs.google.com/document/d/1teGFHNdUYyNwoJyGQ12enLSk0CB_U87wZ3B9Z-_7qy0/edit?usp=sharing
- Apple App Store
- Free
- Health & Fitness
Store Rank
- -
DQS Mobile vs. Saturday: Pro Fuel & Hydration ranking comparison
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January 9, 2026