Best apps like Undersun Fitness

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated July 2026

Undersun Fitness is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

simply. nutrition tips

simply. nutrition tips by simply advisory LLC

that help you get healthy.
💪 Health & Fitness
5.0(17 ratings)
FreeIn-App Purchases
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Get daily nutrition tips from certified nutritionists with a subscription to this app, and start your journey to a healthier lifestyle. With features like customizable notifications, saved tips, and a tip tracker, you can easily incorporate healthy habits into your daily life.

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Top Alternatives to Undersun Fitness

FLEXVIT® - Bands Reloaded#2

FLEXVIT® - Bands Reloaded by Flexible Sports GmbH

Functional Band Training
Strong Contender
💪 Health & Fitness
3.0(2 ratings)
FreeAds
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This app offers a comprehensive library of over 300 resistance band exercises and training plans for all fitness levels. It focuses on functional movements and daily basic human patterns to optimize strength, speed, endurance, coordination, and mobility. Users can create personalized workouts, share them with a community, and access follow-along videos.

HarambeFit#3

HarambeFit by Harambe System LLC

Get Fit with Harambe Fit!
Worth Considering
💪 Health & Fitness
4.5(150 ratings)
FreeIn-App Purchases
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This app provides access to official fitness programs and allows users to create and customize their own workout routines. It guides users through exercises with timed rests and rep suggestions, and offers shareable workout summaries. Track all your equipment and exercises, from barbells to calisthenics.

More apps like Undersun Fitness

4
Rubber Bands
Rubber Bands
Rubber Bands
Resistance band workouts
Free

This app provides personalized resistance band workouts for strength, mobility, and muscle building. It features a comprehensive exercise library with video guidance, progress tracking, and support for various band types and popular systems.

Personalized workout plansVideo-guided exercisesResistance band manager
💪 Health & Fitness
(118)
subscription
5
Weller: Gain Muscle with Bands
Weller: Gain Muscle with Bands
Weller: Gain Muscle with Bands
Resistance bands workouts
Free

This app offers simplified resistance band workouts designed to boost motivation and achieve fitness goals. It features voice-assisted guidance and cherry-picked exercises targeting specific muscles. Premium features include personalized programs, custom workout creation, and detailed exercise analytics.

Simplified workouts for motivationTargeted exercises for specific musclesVoice-assisted workout guidance
💪 Health & Fitness
(632)
free with in-app purchases
6
Resistance Band Training App
Resistance Band Training App
Resistance Band Training App
30 Day Resistance band workout
Free

This app provides full workout sessions using resistance bands to improve strength, posture, and balance. It offers various challenges, a large library of workouts, and custom timers for guided exercise. Track your progress and create personalized routines anytime, anywhere.

Monthly resistance band challengesLarge library of 5-30 minute workoutsCustom workout timer with audio/visual cues
💪 Health & Fitness
(141)
free with in-app purchases
7
Band Bar Fit - X3 Tracker
Band Bar Fit - X3 Tracker
Band Bar Fit - X3 Tracker
X3 Resistance Band Workout Log
Free

Log your resistance band workouts, track repetitions, and remember band colors. Unlock advanced features like progress charts and workout customization with a Pro upgrade.

Log exercise repetitionsTrack band color usageView recent rep progress
💪 Health & Fitness
(3)
freemium
8
Funk Roberts Fitness Shred App
Funk Roberts Fitness Shred App
Funk Roberts Fitness Shred App
Get It DONE!
Free

This app offers a comprehensive library of HIIT and metabolic training workouts, including follow-along videos and structured 28-day programs. It caters to various fitness levels and goals, with new content added monthly to help users burn fat, build muscle, and achieve their fitness objectives.

HIIT and Metabolic Training WorkoutsFollow-along workout videos28-day structured programming
💪 Health & Fitness
(41)
free with in-app purchases
9
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
10
BODYLAST - Home Workouts
BODYLAST - Home Workouts
BODYLAST - Home Workouts
Living Room Exercise Videos
Free

Access a vast library of on-demand home workout videos for all fitness levels. Burn fat, build muscle, and increase mobility with guided routines and challenges, all from your living room. No gym or equipment needed for many exercises.

Over 6000 home workout videosOn-demand fitness routinesNo equipment workouts
💪 Health & Fitness
(26)
free with in-app purchases