Best Functional Effect Fitness Apps

224+ iOS apps curated and reviewed

4.4 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

This app offers high-intensity functional fitness training combining strength and conditioning. It uses an AI algorithm to personalize your workouts, track progress, and provide instructional videos. Workouts can be done anywhere, with or without equipment.

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

This app provides a comprehensive guide to achieving elite physical fitness inspired by Navy SEAL training. It includes over 220 exercises, instructional videos, and numerous calculators and reference materials covering exercise physiology, training principles, and nutrition.

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  • 🕰️ Some information may be outdated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

This app provides functional fitness and resilience training designed for athletes and hunters. It offers daily workouts, mental toughness programs, and expert coaching to build physical and mental strength for demanding activities and everyday life.

Functional fitness workoutsMental toughness trainingDaily workout programs
💪 Health & Fitness
(3.2K)
subscription
5
Effect Fitness On Demand
Effect Fitness On Demand
Effect Fitness On Demand
Watch live classes and PERFORM
Free

Access a variety of live and on-demand fitness classes from home. Track your subscription, view class schedules, and participate in live sessions with instructors. Stay motivated with a comprehensive fitness experience.

Workouts On DemandEffect Live classesPersonal account management
💪 Health & Fitness
(285)
subscription
6
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
Personal Fitness Coach For Men
Free

This app acts as a digital personal trainer, offering customized workout plans and expert guidance to help users achieve their fitness goals. It provides step-by-step instructions, video tutorials, and motivational support, with a focus on science-based training and efficient recovery.

Customized workout routinesStep-by-step exercise guidanceVideo tutorials for proper form
💪 Health & Fitness
(576)
free with in-app purchases
7
Functional Bodybuilding
Functional Bodybuilding
Functional Bodybuilding
by Cliff Kohut
Free

Access all your Functional Bodybuilding resources in one place. This app houses everything from PERSIST programs to FBB ebooks, providing a centralized hub for your training materials.

Access to PERSIST programsFBB ebooks libraryAll offerings in one app
💪 Health & Fitness
(121)
free
8
TRX FORCE
TRX FORCE
TRX FORCE
by Fitness Anywhere, LLC
Free

This app offers an enhanced digital version of a 12-week military-grade conditioning program. It includes an extensive exercise video library, randomized workouts, benchmark tests, and adjustable timers to maximize training effectiveness for users of all fitness levels.

12-week tactical conditioning programIndexed exercise video libraryRandomized workout selector
💪 Health & Fitness
(771)
free with in-app purchases
9
Eric Leija - Primal Fitness
Eric Leija - Primal Fitness
Eric Leija - Primal Fitness
Primal FIT
Free

Access training methods from a renowned fitness leader to enhance movement, mobility, and physique. This app offers a no-nonsense approach with conventional and unconventional exercises for lasting results and pain-free performance.

Extensive library of instructional videosBuild custom workoutsMobility warm-ups and cool-downs
💪 Health & Fitness
(136)
subscription
10
Kettlebell Functional Training
Kettlebell Functional Training
Kettlebell Functional Training
By Adriell Mayes
Free

Achieve your fitness goals with custom workout programs designed for an integrated, balanced approach. This app focuses on varied exercises to prevent injuries and plateaus, maximizing your results and motivating you to move, look, and feel your best.

Custom workout programsIntegrated, balanced approachExercise variety
💪 Health & Fitness
(248)
free with in-app purchases
11
Gray Institute
Gray Institute
Gray Institute
Leader in Functional Movement
Free

This app helps movement professionals assess clients, design custom workouts, and track progress using functional science. It integrates with a client-facing app to set habits and access educational resources for continuous, measurable client improvement.

3DMAPS® Screening ToolRelative Success Code analysisExtensive exercise library
💪 Health & Fitness
(6)
free with in-app purchases
12
XPT Life®
XPT Life®
XPT Life®
by MVMNT Inc.
Free

This app offers challenging workouts, patented breathing protocols, and expert-led research to enhance your performance, health, and resilience. Access diverse training programs, recovery routines, and educational content from a community of performance experts.

Performance Breathing™ routinesGoal-oriented training programsUnconventional workouts
💪 Health & Fitness
(860)
free with in-app purchases
13
Fitstop Fitness
Fitstop Fitness
Fitstop Fitness
by FITSTOP IP PTY LIMITED
Free

This app offers a holistic functional fitness program inspired by athletes. It combines strength, metabolic conditioning, and endurance to help users improve movement and overall well-being through group training.

Functional fitnessAthlete-inspired approachGroup training
💪 Health & Fitness
(130)
free
14
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
15
FLO Functional Training
FLO Functional Training
FLO Functional Training
by Colin Pasque
Free

Enhance strength, mobility, and endurance with tailored workouts for any level. Train at home or the gym with daily routines, progress tracking, and expert guidance. Join a supportive community to achieve sustainable fitness success.

Home and gym workout programsTailored fitness levels (beginner to advanced)Exclusive program library
💪 Health & Fitness
(16)
free
16
LEAN With Lilly
LEAN With Lilly
LEAN With Lilly
Lilly Sabri Workouts & Recipes
Free

This app offers structured, science-based fitness programs combining Pilates, strength, and cardio. It provides personalized meal plans, physiotherapy support, and tools for tracking progress and habits to foster a holistic approach to well-being.

Structured fitness programsHybrid strength, cardio, and PilatesPersonalized meal plans
💪 Health & Fitness
(6.3K)
subscription
17
WELLFIT FITNESS
WELLFIT FITNESS
WELLFIT FITNESS
by WELLFIT Health & Fitness, Inc.
Free

This app offers a comprehensive fitness experience by integrating personalized training programs, smart equipment, and data-driven health management. It aims to make fitness more intelligent and efficient for individuals and businesses.

Personalized training programsSmart fitness equipment integrationData-driven health management
💪 Health & Fitness
(100)
free
18
Fitness First - UK
Fitness First - UK
Fitness First - UK
by FITNESS FIRST CLUBS LIMITED
Free

This app helps users train smarter and improve their fitness journey. It offers features like contactless check-in, personalized workouts, class booking, and progress tracking. Connect your fitness tracker for a comprehensive view of your activity and recovery.

Contactless check-inBioAge insightsPersonalized workout booking
💪 Health & Fitness
(15)
free
19
The Butcher Shop Fitness
The Butcher Shop Fitness
The Butcher Shop Fitness
by Butcher Shop Fitness Ltd.
Free

Experience a high-intensity, low-impact total body workout on a specialized machine. This unique fitness method targets slow-twitch muscles for a long, lean physique, integrating strength, flexibility, balance, cardio, and core.

50-minute total body workoutHigh-intensity, low-impactMegaformer machine
🌟 Lifestyle
(202)
free with in-app purchases
20
X4 FIT
X4 FIT
X4 FIT
The Perfect Fitness Formula!
Free

This app facilitates booking and managing fitness classes at a boutique gym. It offers efficient, full-body functional workouts with on-screen demos and varied routines. Members can easily register, book classes, and purchase memberships or retail items.

Coach-led group fitness classes50-minute full-body workoutsOn-screen exercise demos
💪 Health & Fitness
(211)
free with in-app purchases