Best Functional Effect Fitness Apps

224+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our functional effect fitness list covers 224+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Functional Effect Fitness

Keelo - Strength HIIT Workouts#2

Keelo - Strength HIIT Workouts by Throwdown Labs, Inc

Functional Fitness Training
Strong Contender
💪 Health & Fitness
4.8😊(5.9K ratings)
FreeIn-App Purchases
Keelo - Strength HIIT Workouts screenshot 1
Keelo - Strength HIIT Workouts screenshot 2
Keelo - Strength HIIT Workouts screenshot 3
Keelo - Strength HIIT Workouts screenshot 4
Keelo - Strength HIIT Workouts screenshot 5
Keelo - Strength HIIT Workouts screenshot 6

Get real, measurable results with our high-intensity functional fitness app. As featured by top health and fitness publications, it's your go-to for strength and conditioning workouts. Start your fitness journey today!

What We Love

  • 🚀 Efficient workouts
  • 👍 Customizable to equipment
  • 👍 Variety of exercises
  • 👍 Motivating and challenging

Room to Improve

  • 🐛 Buggy and glitchy
  • 🔍 Lack of customer support
  • 💰 Expensive subscription
Navy SEAL Fitness#3

Navy SEAL Fitness by Calculated Industries, Inc.

Calcs and Helpful References
Worth Considering
💪 Health & Fitness
4.9😊(214 ratings)
$1.99
Navy SEAL Fitness screenshot 1
Navy SEAL Fitness screenshot 2
Navy SEAL Fitness screenshot 3
Navy SEAL Fitness screenshot 4
Navy SEAL Fitness screenshot 5
Navy SEAL Fitness screenshot 6

Improve your health, strength, and endurance with an app that provides over 220 exercises, 90 movies, 20 calculators, and in-depth reference material inspired by Navy SEAL fitness training. Train like an elite Navy SEAL and access bonus nutritional resources for peak physical performance.

What We Love

  • 🚀 Comprehensive fitness guide
  • 👍 Detailed and informative content
  • 🔍 Valuable reference for all fitness levels
  • 💪 Effective training techniques

Room to Improve

  • 🔍 Lacks structured workout programs
  • 🔀 Navigation and organization could be improved
  • 🕰️ Some information may be outdated

More Functional Effect Fitness apps to explore

4
MTNTOUGH Fitness & Resilience
MTNTOUGH Fitness & Resilience
MTNTOUGH Fitness & Resilience
Hunting / Tactical Training
Free

Get fit and strong from home with personalized workout plans and coaching based on real mountain training techniques. Train like an athlete with daily challenges, tracking progress, and reaching peak performance. Start your journey to becoming MTNTOUGH today!

💪 Health & Fitness
(3K)
5
Effect Fitness On Demand
Effect Fitness On Demand
Effect Fitness On Demand
Watch live classes and PERFORM
Free

Get fit on your own schedule with Effect On Demand! Access workouts anytime, view daily class schedules, and join live classes from home. Subscribe for unlimited access to all features. Start your fitness journey today!

💪 Health & Fitness
(283)
6
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
Personal Fitness Coach For Men
Free

Discover a user-friendly application that assists in organizing daily tasks, setting reminders, and prioritizing activities efficiently. Stay on top of your schedule with ease - try it now!

💪 Health & Fitness
(576)
7
Functional Bodybuilding
Functional Bodybuilding
Functional Bodybuilding
by Cliff Kohut
Free

This app is a centralized hub for Functional Bodybuilding resources, offering access to a range of tools and materials, including the PERSIST program and FBB ebooks. Explore and download the content to elevate your fitness journey.

💪 Health & Fitness
(121)
8
TRX FORCE
TRX FORCE
TRX FORCE
by Fitness Anywhere, LLC
Free

Enhance your training with the ultimate digital version of the TRX Tactical Conditioning Program used by US Military branches and athletes worldwide. Access a vast exercise video library, randomized workouts, benchmarks tests, and tailored timers to take your fitness to the next level. Start your mission to peak fitness today.

💪 Health & Fitness
(771)
9
Eric Leija - Primal Fitness
Eric Leija - Primal Fitness
Eric Leija - Primal Fitness
Primal FIT
Free
💪 Health & Fitness
(136)
10
Kettlebell Functional Training
Kettlebell Functional Training
Kettlebell Functional Training
By Adriell Mayes
Free

Get in top shape with personalized workout programs through I.A.H. Functional Training. Our integrated approach focuses on diverse exercises to prevent injury and optimize results. Experience the ultimate fitness journey today!

💪 Health & Fitness
(248)
11
Gray Institute
Gray Institute
Gray Institute
Leader in Functional Movement
Free

This application is a comprehensive tool for movement professionals to streamline client assessments, design customized workouts, and track progress using functional science. It offers a range of features to enhance practice, including assessment and analysis tools, exercise libraries, and coaching resources, to help clients achieve optimal health and performance.

💪 Health & Fitness
(6)
12
XPT Life®
XPT Life®
XPT Life®
by MVMNT Inc.
Free

Experience peak performance with the XPT Life app, offering diverse workouts, patented performance breathing routines, training programs, recovery sessions, and expert content. Join to unlock a range of benefits, including exclusive discounts, early event access, and seamless integration with Apple Health. Start your free 7-day trial today and elevate your fitness journey!

💪 Health & Fitness
(860)
13
Fitstop Fitness
Fitstop Fitness
Fitstop Fitness
by FITSTOP IP PTY LIMITED
Free

Fitstop Fitness is a comprehensive fitness application that offers a holistic approach to training. It combines strength, metabolic conditioning, and endurance exercises to help users move more and live more. The application's focus on performance and progression caters to those seeking an athlete-inspired group training experience.

💪 Health & Fitness
(7)
14
Lumin Fitness
Lumin Fitness
Lumin Fitness
Smart Fitness Studio
Free

Experience the future of fitness with a smart studio that combines AI, digital display, and motion tracking for an immersive workout. Download the app to personalize your fitness journey, track progress, and access a community of like-minded individuals, with features such as customizable workouts, music selection, and rewards.

💪 Health & Fitness
(14)
15
FLO Functional Training
FLO Functional Training
FLO Functional Training
by Colin Pasque
Free

Enhance your strength, mobility, and endurance with personalized functional fitness workouts from our app. Tailored for all levels, with daily routines, detailed guidance, and a supportive community to help you achieve sustainable results. Start your fitness journey today!

💪 Health & Fitness
(2)
16
LEAN With Lilly
LEAN With Lilly
LEAN With Lilly
Lilly Sabri Workouts & Recipes
Free

Get fit with personalized workouts from Lilly Sabri! Achieve your fitness goals with tailored exercise routines and meal plans designed to help you stay healthy and active. Start your fitness journey today!

💪 Health & Fitness
(6.3K)
17
WELLFIT FITNESS
WELLFIT FITNESS
WELLFIT FITNESS
by WELLFIT Health & Fitness, Inc.
Free

Experience intelligent fitness solutions with cutting-edge technology at your fingertips! Personalized training programs, smart fitness equipment, and data-driven health management systems await. Join us for a smarter fitness journey today!

💪 Health & Fitness
(100)
18
Fitness First - UK
Fitness First - UK
Fitness First - UK
by FITNESS FIRST CLUBS LIMITED
Free

Get the most out of your Fitness First gym membership with the Fitness First UK app. Enjoy contactless check-in, book classes, connect with Personal Trainers, set goals, access workouts, and utilize FFX On Demand. Email app support at appsupport@fitnessfirst.co.uk for more information.

💪 Health & Fitness
(15)
19
The Butcher Shop Fitness
The Butcher Shop Fitness
The Butcher Shop Fitness
by Butcher Shop Fitness Ltd.
Free

Experience a 50-minute total body workout at The Butcher Shop Fitness, a Lagree studio that combines high-intensity, low-impact exercises on a Megaformer machine. Targeting various muscle groups, this workout enhances strength, flexibility, balance, cardio, and core strength. Join us to level up your fitness routine today!

🌟 Lifestyle
(202)
20
X4 FIT
X4 FIT
X4 FIT
The Perfect Fitness Formula!
Free

Get the perfect fitness formula with X4 Fitness! This application utilizes over 30 years of fitness expertise to provide personalized training programs, nutrition plans, and progress tracking. Start your fitness journey today and achieve your goals with X4 Fitness!

💪 Health & Fitness
(202)