Best Undrdog Fitness Apps & Games

208+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Every iPhone needs a few good undrdog fitness apps. We benchmark 208+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Undrdog Fitness

Stealth Fitness#2

Stealth Fitness by Stealth Body Fitness, LLC

Turn Fitness into a Fun Game!
Strong Contender
💪 Health & Fitness
4.6😊(8.2K ratings)
FreeIn-App Purchases
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This app transforms exercise into an engaging game by using your body as the controller. It pairs with specialized fitness equipment to make workouts fun and fast, allowing you to achieve fitness goals through interactive gameplay.

What We Love

  • 🚀 Fun and engaging way to exercise
  • 👍 Sturdy and well-built device
  • 💪 Effective for core strengthening
  • 🎮 Games make planking enjoyable

Room to Improve

  • 💰 Expensive subscription for additional games
  • 🐛 Occasional app crashes and glitches
  • 🔒 Login and account issues
Camp Gladiator#3

Camp Gladiator by Camp Gladiator Inc.

Outdoor Group Fitness
Worth Considering
💪 Health & Fitness
4.9😞(12K ratings)
FreeAdsIn-App Purchases
Camp Gladiator screenshot 1
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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.

What We Love

  • 💪 Great workouts
  • 🤝 Awesome community
  • 🤩 Fun and challenging
  • 🏆 Effective for fitness goals

Room to Improve

  • 🐛 Buggy and unreliable app
  • 🤬 Difficult to cancel membership
  • 📍 Inaccurate location information

More Undrdog Fitness apps to explore

4
DDP Yoga Fitness & Motivation
DDP Yoga Fitness & Motivation
DDP Yoga Fitness & Motivation
Best Rated Low Impact Workout
Free

This app offers a low-impact fitness program combining yoga, rehab therapy, and calisthenics. It provides a variety of workouts, motivational content, progress tracking, and healthy recipes. Designed for all fitness levels, it aims to improve strength, flexibility, and reduce pain without high-impact movements.

Low-impact workoutsYoga, rehab, and calisthenics fusionWorkouts for limited mobility
💪 Health & Fitness
(15K)
subscription
5
Virtuagym: Fitness & Workouts
Virtuagym: Fitness & Workouts
Virtuagym: Fitness & Workouts
Health, Tracker, Home & Gym
Free

Achieve your fitness goals with personalized AI-driven workout plans and a vast library of 3D exercises. Track progress, access diverse video workouts, and manage nutrition and mindfulness for a holistic approach to health.

AI Coach for personalized workout plansLibrary of over 5,000 3D exercisesVideo workouts (HIIT, cardio, yoga)
💪 Health & Fitness
(8K)
freemium
6
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Functional Fitness Training
Free

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.

AI-personalized workoutsStrength and conditioningFull body training
💪 Health & Fitness
(5.9K)
free with in-app purchases
7
CoryG Fitness
CoryG Fitness
CoryG Fitness
30 Minute Workouts
Free

Access quick, daily 30-minute workouts designed for busy schedules. Get new routines weekly, monthly programs for strength and leanness, and nutrition guidance. Join a supportive community and track your progress with extensive resources.

Daily 30-minute workoutsNew workouts weeklyMonthly transformation challenges
💪 Health & Fitness
(2.7K)
subscription
8
Gym Workout Planner - Gym Plan
Gym Workout Planner - Gym Plan
Gym Workout Planner - Gym Plan
Weight Lifting Muscle Tracker
Free

This app helps you plan and track your gym workouts for faster progress. Choose from a variety of workout plans or customize your own, track sets, reps, and weights, and monitor your personal bests to stay motivated.

Workout plan selectionCustomizable routinesProgress tracking
💪 Health & Fitness
(673)
subscription
9
MyARC Fitness
MyARC Fitness
MyARC Fitness
Train With The Best In Fitness
Free

Access a comprehensive library of fitness routines, from HIIT to strength training, led by influencers. Track your progress automatically and customize workouts to your fitness level with interactive guidance.

Hundreds of streaming workoutsInfluencer-led routinesHIIT, strength, bodyweight options
💪 Health & Fitness
(281)
free
10
Fitify: Home Workout, AI Coach
Fitify: Home Workout, AI Coach
Fitify: Home Workout, AI Coach
Bodyweight exercises & Fitness
Free

Achieve your fitness goals at home with personalized workout plans and over 900 exercises. Track your progress with a body fat scanner and enjoy routines that require no equipment or utilize various fitness tools. Work out anytime, anywhere with voice coaching and HD video demonstrations.

Personalized fitness plansOver 900 exercises (bodyweight & tools)Body fat and muscle mass tracking
💪 Health & Fitness
(12K)
freemium
11
Gym Workout Fitness Tycoon Sim
Gym Workout Fitness Tycoon Sim
Gym Workout Fitness Tycoon Sim
Build Own Exercise Empire Game
Free

Manage a virtual gym, build muscle, and become a fitness hero. Engage in various workout routines, healthy eating, and outdoor activities to grow your empire and compete in gymnastics.

Build muscle with 3D graphicsManage your fitness studioUse gym equipment
🎮 Games
(2.2K)
ad-supported
12
GAINSBYBRAINS: Fitness & Food
GAINSBYBRAINS: Fitness & Food
GAINSBYBRAINS: Fitness & Food
Female Fitness App
Free

This app guides you on a personalized fitness and nutrition journey. Design custom workouts, explore diverse programs, and discover delicious, healthy meals to support your goals. Achieve a stronger, more confident you with expert-led content and a flexible schedule.

Personalized workout journeysCustomizable training schedulesDiverse fitness programs
💪 Health & Fitness
(941)
free with in-app purchases
13
Outperform: Workout Tracker
Outperform: Workout Tracker
Outperform: Workout Tracker
Functional Fitness Analysis
Free

Track your workouts, log results, and analyze your performance over time. Discover and share workouts with a global community of athletes. Premium features offer deeper insights and community comparisons.

Log and track individual workoutsCustomize workout routinesTrack performance over time
💪 Health & Fitness
(1)
freemium
14
HIIT | Down Dog
HIIT | Down Dog
HIIT | Down Dog
A new workout every time!
Free

This app offers a dynamic high-intensity interval training (HIIT) experience with over 1000 unique exercises, ensuring you never do the same workout twice. It's beginner-friendly with customizable workout lengths, exercise types, and music to keep you motivated and prevent plateaus.

Over 1000 unique exercisesCustomizable workout length and intervalsSelectable exercise categories (upper body, core, etc.)
💪 Health & Fitness
(48K)
subscription
15
MERACH:Fitness Freedom at Home
MERACH:Fitness Freedom at Home
MERACH:Fitness Freedom at Home
Your All-in-One Smart Home Gym
Free

Transform your home into a smart fitness hub. Connect your MERACH equipment for guided workouts, real-time control, and diverse on-demand classes. Achieve your fitness goals with structured programs and detailed performance tracking.

Smart Instant Connection via BluetoothThree Core Training Modes (Free, Timed, Distance)Direct Automated Equipment Control
💪 Health & Fitness
(4)
free with in-app purchases
16
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
17
cult.fit Gym Workout & Fitness
cult.fit Gym Workout & Fitness
cult.fit Gym Workout & Fitness
Health, Weight Loss & Yoga
Free

This app offers a comprehensive fitness experience, combining fun gym workouts, yoga, and dance sessions with expert trainers. It also provides access to sports facilities and home fitness programs for a holistic health journey.

Gym workoutsYoga sessionsDance fitness
💪 Health & Fitness
(2.4K)
free with in-app purchases
18
Stark Fitness
Stark Fitness
Stark Fitness
Exercise Workout Trainer
Free

Create custom workouts or follow guided routines with video instructions. Access a vast library of exercises and trainer-designed programs for any fitness goal, at home or in the gym. Integrates with Apple Health.

Video-guided workoutsCustom workout builder700+ exercise videos
💪 Health & Fitness
(806)
free with in-app purchases
19
Keep Trainer: Gym Workout Log
Keep Trainer: Gym Workout Log
Keep Trainer: Gym Workout Log
by Calorie Tech Ltd.
Free

This app offers a comprehensive fitness coaching experience with a vast library of exercises and expert-designed workout routines. It provides personalized training plans, video guidance, and options for all fitness levels, allowing users to achieve their health and fitness goals at home.

400+ exercises database100+ expert-designed workoutsVideo guidance from trainers
💪 Health & Fitness
(14K)
free with in-app purchases
20
GYDMONE - Gym Workout Planner
GYDMONE - Gym Workout Planner
GYDMONE - Gym Workout Planner
Fitness Weight Lifting Tracker
Free

This app serves as a personal trainer, offering guided workout videos for home or gym. It helps users build muscle, lose weight, and improve fitness with comprehensive plans and smart tracking features. Users can create custom routines or follow expert programs to achieve their fitness goals.

Guided workout videosComprehensive workout plansPersonalized training
💪 Health & Fitness
(348)
free with in-app purchases