Best C3 Fitness Science Apps

203+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our c3 fitness science list covers 203+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for C3 Fitness Science

Built With Science+#3

Built With Science+ by Built With Science Holdings Corp

Science-Backed Fitness
Worth Considering
💪 Health & Fitness
4.7😊(1.1K ratings)
FreeIn-App Purchases
Built With Science+ screenshot 1
Built With Science+ screenshot 2
Built With Science+ screenshot 3
Built With Science+ screenshot 4
Built With Science+ screenshot 5

This intelligent fitness companion offers personalized workout plans and nutrition advice based on scientific insights. It adapts to your progress with real-time feedback, providing guidance for continuous gains and informed health decisions.

What We Love

  • 👍 Comprehensive fitness and nutrition tracking
  • 🚀 Convenient all-in-one app
  • 📚 Helpful educational lessons
  • 💪 Science-backed program

Room to Improve

  • 🐛 Occasional performance issues and bugs
  • 🔍 Limited food database and recipe options
  • 📱 Lack of integration with other fitness apps and devices

More C3 Fitness Science apps to explore

4
Camp Gladiator
Camp Gladiator
Camp Gladiator
Outdoor Group Fitness
Free

Participate in award-winning outdoor group fitness classes led by certified personal trainers. Designed for all fitness levels, this app offers fun, challenging workouts to help you achieve your goals with motivation and accountability. New classes start every 5 minutes, ensuring a convenient option for everyone.

Award-winning group fitness classesCertified personal trainersSuitable for all fitness levels
💪 Health & Fitness
(12K)
free with in-app purchases
5
Orangetheory Fitness
Orangetheory Fitness
Orangetheory Fitness
The smartest one-hour workout
Free

This app offers a science-backed, coach-inspired group workout experience. It allows users to easily book classes, track workout statistics in real-time, and manage their fitness progress. Achieve life-changing results with this streamlined fitness companion.

Book and cancel classesSearch and manage favorite studiosTrack workout stats in real time
💪 Health & Fitness
(487K)
free
6
FitGrid: Fitness Class App
FitGrid: Fitness Class App
FitGrid: Fitness Class App
Stream Yoga Pilates HIIT Spin
Free

Discover and stream virtual or in-studio fitness classes with friends. This app uses AI to recommend workouts and allows you to connect with instructors and classmates. Track your progress, set goals, and earn rewards for attending classes.

AI-powered class recommendationsStream virtual and in-studio classesConnect with friends and instructors
💪 Health & Fitness
(118)
free
7
JIM Stoppani
JIM Stoppani
JIM Stoppani
by Bowleg Media, LLC
Free

Access thousands of articles, training programs, videos, and diet plans from a leading authority in exercise science. Track your progress with detailed workout logs and calorie tracking, and get personalized feedback.

Thousands of articlesTraining programsDiet plans
💪 Health & Fitness
(5.5K)
subscription
8
Dōse
Dōse
Dōse
More Muscle. More Life.
Free

This app provides evidence-based fitness guidance for fat loss, muscle gain, and sustainable body composition goals. It offers video demonstrations for exercises, a macro calculator, educational mini-lectures, and personalized coaching tips. Engage with a community and track progress with Apple Health integration.

Evidence-based fitness guidanceVideo exercise demonstrationsMacro calculator and guidelines
💪 Health & Fitness
(303)
free with in-app purchases
9
MOXI3
MOXI3
MOXI3
by Bourne Nation LLC
Free

Experience a premier wellness hub offering indoor cycling, strength training, and high-intensity group fitness. Access state-of-the-art recovery services like cryotherapy and infrared saunas. Achieve full-body training and revitalization with elite instructors.

Indoor cycling classesStrength trainingHigh-intensity group fitness
💪 Health & Fitness
(877)
ad-supported
10
barre3: Studio Fitness Class
barre3: Studio Fitness Class
barre3: Studio Fitness Class
by B3 Studios LLC
Free

Book local strength and low-impact fitness classes designed for all levels. Experience energizing workouts that build strength, stability, and confidence. Features include studio booking, schedule management, and childcare reservations.

Book local fitness classesManage workout schedulePurchase memberships and packages
💪 Health & Fitness
(7.4K)
subscription
11
FitGroup USA - Fitness Classes
FitGroup USA - Fitness Classes
FitGroup USA - Fitness Classes
Instruct Fitness Classes
Free

This app connects fitness instructors with local class opportunities. Discover classes matching your expertise, receive real-time notifications for new openings, and track your instructional performance. Manage your profile and find ways to inspire and earn.

Discover fitness classes nearbyReal-time notifications for new classesDetailed class information
💪 Health & Fitness
(482)
free
12
X3 Tracker
X3 Tracker
X3 Tracker
Official X3 Workout Tracker
Free

This is the official free workout tracking tool designed for the Jaquish Biomedical X3® exercise device. It helps users log and monitor their progress while using the specialized equipment.

Official workout trackingCompatible with X3 deviceFree to use
💪 Health & Fitness
(23)
free
13
Max Fitness CSRA
Max Fitness CSRA
Max Fitness CSRA
Max Fitness CSRA
Free

This app helps users manage their health and fitness journey. It allows for class scheduling, tracking workouts, and managing membership details. Stay motivated and organized with this comprehensive fitness tool.

Class schedulingWorkout trackingMembership management
💪 Health & Fitness
(4)
free
14
Pocket Prep Fitness 2026
Pocket Prep Fitness 2026
Pocket Prep Fitness 2026
Pass NASM, CSCS, ACE, ACSM CPT
Free

Prepare for fitness and exercise science certification exams with thousands of practice questions and mock exams. Reinforce key concepts and build confidence for exam day with expert-authored content and detailed explanations.

Thousands of practice questionsExpert-authored contentDetailed explanations
📚 Education
(3.9K)
freemium
15
Studio Three: Official App
Studio Three: Official App
Studio Three: Official App
by Third Degree Chicago Llc
Free

Book fitness classes at a boutique studio offering Interval, Cycle, Pilates, and Yoga. Access world-class instructors and versatile formats adaptable to any fitness level. Manage your bookings, track attendance, and earn rewards.

Book classes and reserve spotsFilter by class, instructor, and locationPurchase classes easily
💪 Health & Fitness
(1.2K)
free with in-app purchases
16
Traverse Fitness
Traverse Fitness
Traverse Fitness
Denver Fitness Elevated
Free

This app is your gateway to a Denver-based fitness studio offering group HIIT and Altitude Studio training. Book classes, manage your account, and discover premium recovery amenities and social events.

Book classesView class schedulesManage account
💪 Health & Fitness
(250)
ad-supported
17
B3 U
B3 U
B3 U
B3 Sciences
Free

Revolutionize your fitness with Blood Flow Restriction (BFR) training. Access expert-led live workouts, personalized plans, and educational resources to achieve better results in less time. Connect with a supportive community and professional coaches.

Expert-led live workoutsCustom training plansBFR education and resources
🎬 Entertainment
(1)
subscription
18
LVL Fitness
LVL Fitness
LVL Fitness
LVL Fitness
Free
💪 Health & Fitness
(0)
19
CHALK IT PRO
CHALK IT PRO
CHALK IT PRO
Workout Programming & Tracking
Free

This app allows gym owners, personal trainers, and athletes to create and track personalized workouts. It supports multi-level programming, private revenue-generating tracks, and community engagement features.

Multi-level workout programmingPrivate revenue-generating tracksWorkout database
💪 Health & Fitness
(51)
subscription
20
Lumin Fitness
Lumin Fitness
Lumin Fitness
Smart Fitness Studio
Free

Experience a personalized group and individual training environment powered by AI and motion tracking. Select your preferred in-ear trainer and music to enhance your workout. Track your progress in key fitness areas and earn rewards.

AI-powered immersive workoutsPersonalized in-ear trainersCustomizable workout music
💪 Health & Fitness
(14)
free with in-app purchases

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