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Best 21 alternatives: apps like 21-Day Shape-Up Plan

10+ similar apps compared and reviewed

4.3 avg rating
10 free apps
Updated October 2026
21-Day Shape-Up Plan
21-Day Shape-Up Plan
Samantha Roobol
馃挭 Health & Fitness

Whether you want more options like 21 or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 21

The 30 Day Plank Challenge#3

The 30 Day Plank Challenge by Stefan Roobol

Abs Workout - Sculpt Your Core
Worth Considering
馃挭 Health & Fitness
3.4(5 ratings)
FreeAdsIn-App Purchases
The 30 Day Plank Challenge screenshot 1
The 30 Day Plank Challenge screenshot 2
The 30 Day Plank Challenge screenshot 3
The 30 Day Plank Challenge screenshot 4
The 30 Day Plank Challenge screenshot 5

This app guides users through a 30-day challenge to strengthen their core with plank exercises. It helps improve balance, posture, and tone abs, glutes, and hamstrings without any equipment. Suitable for all ages and fitness levels.

More apps like 21

4
30 Day Weight Loss Challenge
30 Day Weight Loss Challenge
30 Day Weight Loss Challenge
Home Workouts to Lose Weight
Free

This app offers 30-day workout challenges designed by a fitness expert to help users lose weight, reduce body fat, and transform their bodies. It provides no-equipment exercises suitable for home, with increasing intensity and two difficulty levels.

30-day action plansNo equipment exercisesStep-by-step intensity increase
馃挭 Health & Fitness
(22)
free with in-app purchases
Compare with 21
5
30 Day Butt Lift Challenge
30 Day Butt Lift Challenge
30 Day Butt Lift Challenge
Booty Workout Plan for Women
Free

Achieve a sculpted and firmer backside in just 30 days with this targeted workout plan. Designed for women, it offers daily exercises to transform your glutes and help you reach your dream physique.

30-day glute transformation planTargeted butt and booty exercisesDaily workout routines
馃挭 Health & Fitness
(22)
free with in-app purchases
Compare with 21
6
Yoga Workouts for Weight Loss
Yoga Workouts for Weight Loss
Yoga Workouts for Weight Loss
Yoga Poses for Beginners
Free

This app offers a variety of yoga poses designed to help users burn fat, lose weight, build strength, and increase flexibility. It caters to both beginners and advanced practitioners looking to incorporate yoga into their fitness journey for weight loss.

50 yoga asanasWeight loss focusStrength building
馃挭 Health & Fitness
(11)
free with in-app purchases
Compare with 21
7
The 30 Day Abs Challenge
The 30 Day Abs Challenge
The 30 Day Abs Challenge
Flat Belly Home Workout Plan
Free

This 30-day challenge offers daily workouts designed to help you lose belly fat and sculpt your core. It's suitable for all fitness levels, from beginners to advanced users, and requires minimal equipment.

30-day flat belly challengeDaily effective workoutsSculpt six-pack abs
馃挭 Health & Fitness
(9)
free with in-app purchases
Compare with 21
8
Butt And Legs Workout Fitness
Butt And Legs Workout Fitness
Butt And Legs Workout Fitness
Female Buttocks & Booty Coach
Free

This app offers a 30-day workout plan and custom exercise routines to sculpt and tone your butt and legs. Track your progress with detailed statistics and stay motivated with helpful reminders. Exercises are designed for home use and can be performed anywhere.

30-day butt and legs workout planCreate custom butt or leg workoutsAnimated exercise demonstrations
馃挭 Health & Fitness
(238)
free with in-app purchases
Compare with 21
9
Lose Fat Exercises for Women
Lose Fat Exercises for Women
Lose Fat Exercises for Women
Fat Training for Weight Loss
Free

This app offers a free, efficient way for women to burn calories and get fit at home. It features customizable workouts, a calorie tracker, and daily reminders to help users achieve their weight loss goals in 30 days. No equipment is needed, making it convenient for any time or place.

Customizable workoutsCalorie trackerDaily exercise reminders
馃挭 Health & Fitness
(51)
free with in-app purchases
Compare with 21
10
Abs, Butt and Thighs
Abs, Butt and Thighs
Abs, Butt and Thighs
Workout: Abs, Butt and Thighs
Free

This app offers strength and toning exercises for your core, glutes, and thighs. It provides effective workouts for all fitness levels that can be done at home with minimal equipment. Get ready to strengthen and tone these key areas for visible results.

Core strengthening exercisesGlute toning workoutsThigh muscle exercises
馃挭 Health & Fitness
(2)
free with in-app purchases
Compare with 21
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