Comparison

Stretch+Flexibility~Bend Flex vs STACK DAYS Elite Training

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stretch+Flexibility~Bend Flex

This app offers structured 28-day plans to improve flexibility, reduce pain, and enhance overall well-being. It features short, guided routines with video demonstrations suitable for all levels and busy schedules.

Highlights
  • Personalized 28-Day Stretch Plans
  • Quick & Effective Stretch Routines (3-10 min)
  • Beginner-Friendly Guidance
  • HD Video Demonstrations
  • Progress Tracking & Motivation
  • Customized plans based on goals and details
Features
Read full description

Transform Your Flexibility & Well-Being with the 28-Day Stretch Plans! Are you ready to unlock a more flexible, pain-free, and energized version of yourself? Whether you're a complete beginner or looking to enhance your stretching practice, or someone who is eager to incorporate stretching into your daily routines, BendFlex is your ultimate companion for improving mobility, reducing tension, and enhancing overall well-being. Designed specifically for men and women of any age, this app makes stretching easy, enjoyable, and effective! Benefits of Stretching with BendFlex: · Increase Flexibility & Mobility: Loosen tight muscles and improve joint range of motion for better movement in daily life. · Relieve Pain & Tension: Alleviate discomfort in your back, neck, hips, and shoulders caused by sitting, stress, or workouts. · Balance & Coordination: Improve your balance and coordination for better body control. · Enhance Posture & Strength: Strengthen your core, correct imbalances, and stand taller with improved alignment. · Boost Recovery & Performance: Speed up muscle recovery after workouts and enhance athletic agility. · Reduce Stress & Improve Sleep: Calm your mind, release tension, and enjoy deeper, more restful sleep. · Improve Circulation & Energy: Stimulate blood flow for better energy levels and overall vitality. Features Designed for Beginners & Busy Lifestyles: Personalized 28-Day Stretch Plans: No guesswork—just structured, progressive routines tailored to your flexibility level. Each week focuses on different muscle groups, ensuring balanced improvement without overwhelm. Quick & Effective Stretch Routines: Short on time? Choose from 3-10 minute sessions that fit seamlessly into your day—perfect for mornings, work breaks, or before bed. Beginner-Friendly Guidance: You’ll receive clear, step-by-step instructions and modifications to ensure that you can perform each stretch confidently and accurately. HD Video Demonstrations: Follow along with clear, high-quality videos that show correct technique, helping you avoid injuries and maximize benefits. Progress Tracking & Motivation: Stay motivated with flexibility progress tracker, receive daily reminders & tips, and earn achievement badges. Stretch Anytime, Anywhere. How It Works: · Set Your Goals – Choose your focus (flexibility, pain relief, relaxation, etc.). · Input Your Details – Age, fitness level, and any problem areas. · Get Your Custom Plan – Receive a 28-day roadmap tailored just for you. · Stretch Daily & Track Progress – Follow guided routines and watch your flexibility improve. Start Your Journey Today! Your body deserves to move freely and feel amazing. With FlexGo, you’ll build a daily habit that enhances your flexibility, reduces stress, and boosts overall wellness. Download now and take the first step toward a looser, stronger, and more balanced you! SUBSCRIPTION INFORMATION Get a 7M Supporter subscription and enjoy full access to all features and content. The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends, the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Note: This app is developed for informational purposes only. You should always consult your physician or doctor before starting any new fitness program. This app integrates with the Apple Health app. Terms of use: https://www.workoutinc.net/terms-of-use Privacy policy: https://www.workoutinc.net/privacy-policy

About

STACK DAYS Elite Training

Features
Read full description

STACK DAYS Pro Training is built on a simple philosophy: dominate your moments one day at a time. Rooted in consistency and designed for the daily grind, this app is your partner in achieving strength, resilience, and longevity, whether you are an athlete or simply want to train like one. Powered by Coach Chris, a seasoned Southern California Strength and Conditioning Coach, STACK DAYS Pro Training offers a structured and adaptable approach to fitness. The program focuses on consistent daily actions tailored to your specific needs, helping you achieve your goals through simplicity, recovery, and intentional progress. Key Features: Personalized Training Plans: Workouts designed for your sport, fitness level, or lifestyle. Athletic Performance: Train like an athlete with programs that build strength, mobility, and endurance. Recovery and Longevity: Incorporate essential recovery techniques to support your body for the long haul. Daily Accountability: Stay on track with consistent programming and habit-building tools. In-App Communication: Engage with your coach for support, guidance, and motivation. STACK DAYS Pro Training is more than just an app; it is a movement focused on helping you stack wins every day. Whether you are preparing for game day, building a healthier lifestyle, or striving to reach your peak performance, this app is designed to simplify your journey and maximize your results. Join the STACK DAYS community and start dominating your moments today. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

Screenshots

Stretch+Flexibility~Bend Flex4 screens
STACK DAYS Elite Training3 screens

Verdict

The call

The clearest difference is ads: STACK DAYS Elite Training at none against Stretch+Flexibility~Bend Flex's shown. STACK DAYS Elite Training also leads on update cadence (every 2 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stretch+Flexibility~Bend Flex sells 5 in-app purchases, starting at $14.99 per 3 months and STACK DAYS Elite Training sells 1 in-app purchase, starting at $249.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Stretch+Flexibility~Bend Flex ships an update every 7 months, STACK DAYS Elite Training every 2 months. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
Stretch+Flexibility~Bend Flex versus STACK DAYS Elite Training: the parameters behind the verdict, then further details
ParameterStretch+Flexibility~Bend FlexSTACK DAYS Elite Training
PriceFreeFree
Rating4.6 (63 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings63 — better—
Update frequencyEvery 7 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size331 MB52 MB
Age rating4+17+
DeveloperFast Builder LimitedMobile Trainer, LLC

In-app purchases

5 purchases

Stretch+Flexibility~Bend Flex

Subscriptions5
  • 7M Stretch Pro7 Days trial$14.993 Months
  • Stretching and Flexibility PRO7 Days trial$19.991 Month
  • Get Yearly Premium!7 Days trial$29.991 Year
Show 2 more
  • Premium Stretch Programs7 Days trial$39.991 Year
  • 7M Stretch Pro7 Days trial$49.991 Year
1 purchases

STACK DAYS Elite Training

Subscriptions1
  • STACK PRO$249.001 Month

Questions

Is Stretch+Flexibility~Bend Flex free?
Stretch+Flexibility~Bend Flex is free to download, with in-app purchases available.
Is STACK DAYS Elite Training free?
STACK DAYS Elite Training is free to download, with in-app purchases available.
Do Stretch+Flexibility~Bend Flex or STACK DAYS Elite Training have ads?
Stretch+Flexibility~Bend Flex shows ads; STACK DAYS Elite Training does not.
Which is updated more often, Stretch+Flexibility~Bend Flex or STACK DAYS Elite Training?
Stretch+Flexibility~Bend Flex ships an update every 7 months, and STACK DAYS Elite Training every 2 months. Most recently, Stretch+Flexibility~Bend Flex was updated on October 1, 2026 and STACK DAYS Elite Training on September 20, 2026.

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