Comparison

TRNR vs JustStretch | Flex & Mobility

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

Head to head
About

TRNR

Access a wide range of high-quality workout guides with video and image demonstrations. Whether you're a beginner or an experienced athlete, find the equipment and guidance to achieve your fitness goals and maintain a healthy lifestyle. Save your favorite workouts for easy access anytime.

Highlights
  • High-quality workout guides
  • Video and image demonstrations
  • Equipment and guidance for all levels
  • Save and bookmark favorite workouts
  • Achieve fitness goals
  • Stay healthy
Features
Read full description

Welcome to our app! We are proud to offer a wide selection of high-quality workout guides that will help you reach your fitness goals. Our app features video and image guides of our various products , so you can get a feel for how they work and how to use them properly. Whether you're a beginner looking to start a fitness journey or a seasoned athlete looking to up your game, we've got the equipment and guides you need. We've got everything you need to get fit and stay healthy. In addition to our guides, you can save or bookmark your favorite workouts and go through them whenever you want. So why wait? Download our app and start building the body you've always wanted today!

About

JustStretch | Flex & Mobility

This app helps you build a daily stretching habit to improve flexibility, relieve pain, and boost overall well-being. It offers guided routines, custom workout creation, and multimedia instructions for all fitness levels.

Highlights
  • Daily stretching routines
  • Custom workout creation
  • Audio, image, and video guidance
  • Live instructor experience
  • Pain relief and injury prevention
  • Improved posture and sleep
Features
Read full description

Make Stretching a Daily Habit for a Healthier You Welcome to JustStretch, your go-to app for making stretching a seamless part of your daily routine. Our app is designed to help you enhance your flexibility and maintain your natural range of motion, no matter your age or fitness level. JustStretch Routines: - "Morning Energizer": Kickstart your day with stretches that boost energy and prepare your body for the day ahead. - "Desk Break": Counteract the effects of sitting with these seated stretches that target the shoulders, back, and neck. - "Full Body Flow": A comprehensive routine that targets key muscles and joints throughout your entire body. - "Relax & Unwind": Gentle stretches to help you relax and prepare for a restful night's sleep. - "Flexibility Challenge": Advanced routines for those looking to push their flexibility to new heights. Create Custom Workouts Design personalized stretching routines to meet your fitness goals. Multimedia Guidance Choose from audio, image, or video instructions for clear guidance on every move. Favorite Workouts at a Glance Save your favorite sessions for quick and easy access. Live Instructor Experience Enjoy the motivation and accuracy of real instructor-led classes from anywhere. Easy-to-Use Interface: JustStretch guides you through each stretch with custom illustrations and a built-in timer. Detailed instructions and benefits are provided for every exercise Benefits of Stretching with JustStretch: - Enhanced Flexibility: Boost your muscle and joint mobility for a greater range of motion. - Pain Relief: Alleviate discomfort in key areas like the lower back, neck, hips, and shoulders. - Safety in Motion: Lower your risk of injuries during sports and other physical activities. - Better Sleep & Energy: Improve sleep quality and maintain high energy levels throughout the day. - Posture & Strength: Strengthen your core and improve your posture for better overall alignment. - Stress Management: Reduce stress and anxiety with regular stretching sessions. - Performance Enhancement: Boost your athletic performance with increased agility and strength. - Circulation Improvement: Enhance blood flow for overall health and well-being. - Rapid Recovery: Speed up muscle recovery after workouts or physical exertion. - Balance & Coordination: Improve your balance and coordination for better body control. - Pain Elimination: Target and eliminate chronic pain in the lower back, neck, and hips. - Well-being: Elevate your overall well-being with improved posture and reduced stress. Why JustStretch? - Simple & Affordable: Access hundreds of stretches and yoga poses, all designed to be easy on the wallet and simple to follow. - Convenient Routines: Choose from a variety of quick and convenient stretching routines that fit into any schedule. - All Ages & Levels: Whether you're a beginner or an experienced yogi, JustStretch has routines tailored for you. Workout where you want, when you want. From stretching and meditation to outdoor and bending, the JustStretch App makes bend workout classes and workout tracking fun and easy. No equipment is needed. Here are dozens of beginner-friendly bend classes that are easy to learn and perform, including Shoulders, Arms, Chest, Lower Back, Abdomen, Hips, Legs, and Ankle. Start your day with a bend workout that suits your needs. Choose to increase flexibility, improve strength, maintain good posture, or get fit and healthy! Download juststretch classes,take them with you wherever you go. You can practice in your living room, hotel, beach, or even sitting on a chair or sofa.yoga,making it easy to stay active and healthy no matter where bend. Feedback & Support: We're here to help! Contact us at support@juststretch.fit with any questions, feedback, or suggestions. Privacy Policy: https://www.juststretch.fit/en/privacy-policy.html User Terms of Service: https://www.juststretch.fit/en/terms.html

Screenshots

TRNR4 screens
JustStretch | Flex & Mobility4 screens

Verdict

The call

The clearest difference is review sentiment: TRNR at 100% against JustStretch | Flex & Mobility's 64%. TRNR also leads on in-app purchases (none vs 18) and ads (none vs shown). On price, update cadence, 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. JustStretch | Flex & Mobility sells 17 in-app purchases, starting at $7.49 per month. TRNR asks for nothing beyond the download.

UpkeepUpdate frequency

TRNR ships an update every 10 days, JustStretch | Flex & Mobility every 2 weeks. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
TRNR versus JustStretch | Flex & Mobility: the parameters behind the verdict, then further details
ParameterTRNRJustStretch | Flex & Mobility
PriceFreeFree
Rating—4.7 (2.4K ratings) — better
Positive reviews100.0% of reviews — better64.1% of reviews
Number of ratings—2.4K — better
Update frequencyEvery 10 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size22 MB104 MB
Age rating17++17
DeveloperTRNRTechPioneers Limited

Customer experience

TRNR

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

JustStretch | Flex & Mobility

All ratings2,398 ratings
Positive92.8%
Neutral2.0%
Negative5.2%
Written reviews796 reviews
Positive64.1%
Neutral2.9%
Negative33.0%

Bugs and requests

TRNR

Not enough reviews yet to summarise bugs or requests.

JustStretch | Flex & Mobility

Reported bugs

2 issues
  • App not working after latest update
  • Inability to open app on certain devices

Requested features

2 requests
  • Preparation time before transitions
  • Ability to use app on multiple devices

In-app purchases

None

TRNR

No in-app purchases

17 purchases

JustStretch | Flex & Mobility

Subscriptions15
  • 1 Month Premium$7.491 Month
  • 1 Month Premium$9.991 Month
  • 1 Month Premium$19.991 Month
Show 12 more
  • 3 Months Premium$19.993 Months
  • 3 Months Premium$29.993 Months
  • 12 Months Premium$29.991 Year
  • LUCKY DRAW PRIZE$29.991 Year
  • 12 Months Premium$30.991 Year
  • 12 Months Premium$35.991 Year
  • 12 Months Premium$37.991 Year
  • One Year Membership$39.991 Year
  • 12 Months Premium$47.991 Year
  • 7-Day Free Trial7 Days trial$47.991 Year
  • one year membership$49.991 Year
  • 12 Months Premium$89.991 Year
One-time2
  • Stretch Guide Ebook Bundle$9.99
  • Stretch Guide Ebook Bundle$12.99

Questions

Is TRNR free?
TRNR is free to download, with no in-app purchases.
Is JustStretch | Flex & Mobility free?
JustStretch | Flex & Mobility is free to download, with in-app purchases available.
Do TRNR or JustStretch | Flex & Mobility have ads?
JustStretch | Flex & Mobility shows ads; TRNR does not.
Which is updated more often, TRNR or JustStretch | Flex & Mobility?
TRNR ships an update every 10 days, and JustStretch | Flex & Mobility every 2 weeks. Most recently, TRNR was updated on October 13, 2026 and JustStretch | Flex & Mobility on October 18, 2026.

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