Comparison

pliability vs Built With Science+

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

Head to head
About

pliability

Enhance flexibility, mobility, and recovery with guided stretching routines. This app offers personalized programs, progress tracking, and integrates with fitness devices to help users move better and prevent injuries.

Highlights
  • 1,700+ guided stretching routines
  • Customized mobility training programs
  • Instant start, no equipment required
  • Mobility Test for personalized assessment
  • Short, effective workouts (12-20 mins)
  • Offline video downloads
  • Integrates with WHOOP, Garmin, Apple Health
Features
Read full description

Improve flexibility, recover faster, and move better with pliability - the Official Stretching Partner of HYROX and the mobility app trusted by elite athletes. pliability is your daily stretching, mobility, and flexibility coach. Guided routines help you loosen tight hips, relieve back pain, increase range of motion, and build consistent recovery into your training - for athletes, weekend warriors, and anyone who sits too much. ■ WHY ATHLETES CHOOSE PLIABILITY + Trusted by Tia-Clair Toomey, Laura Horvath, Jake Dearden and thousands of gyms worldwide + Official Stretching Partner of HYROX + Featured by Runner's World, Men's Health, Well+Good, and Inc. Magazine + 1,700+ guided stretching and mobility routines + Programs built by world-class coaches and physical therapists ■ WHAT YOU GET + Daily stretching routines, 12–20 minutes each + Targeted sessions for hips, back, shoulders, hamstrings, and neck + Recovery flows to reduce muscle soreness after workouts + Deep flexibility programs - splits, backbends, overhead mobility + Yoga-inspired mobility flows for every level + No equipment required - start instantly ■ PERSONALIZED TO YOU + Recommended sessions built around the areas you care about, refreshed every week + Set your session length before you start: short, medium, or long + Ask in your own words: "15 minute hip opener before a run" + Save favorites and build your own sessions ■ BUILT FOR EVERY ATHLETE + HYROX, CrossFit & functional fitness + Running, cycling & endurance sports + Weightlifting & strength training + Golf, swimming & combat sports + Yoga, Pilates & general wellness ■ MEASURE YOUR PROGRESS (iPhone + iPad) Our Mobility Test uses advanced on-device technology to measure your active range of motion. + Personalized 3-minute assessment + Detailed report with custom stretching recommendations + Track improvement over weeks and months ■ TRAIN ANYWHERE + Stream on iPhone, iPad, Apple TV, or AirPlay + Download any routine for offline sessions + Short sessions fit any schedule ■ CONNECTS TO YOUR DATA + Syncs with WHOOP, Garmin, and Apple Health + See how mobility work affects your recovery scores + Build smarter recovery into your training load ■ MIND-BODY FOCUS + Breathwork and mindfulness cues in every session + Calm your nervous system while you move + Build a stretching habit that actually sticks Ready to move better? Download pliability and start your 7-day free trial. Get the full library of stretching, mobility, yoga, and recovery routines - trusted by HYROX, CrossFit champions, and athletes who train for performance. Stretch. Move. Recover. pliability move more human.™ Terms of Service: https://pliability.com/terms-of-service Privacy Policy: https://pliability.com/privacy-policy/

About

Built With Science+

This intelligent fitness companion offers personalized workout plans and nutrition advice based on scientific insights. It adapts to your progress with real-time feedback, providing guidance for continuous gains and informed health decisions.

Highlights
  • Hyper-Personalized Workouts
  • Progressive Overload Guidance
  • Real-Time Diet Adjustments
  • AI-Powered Meal Scanner
  • 250+ Exercise Tutorials
  • Daily Knowledge Boosters
  • AI Fitness & Nutrition Assistant
Features
Read full description

Reach your goals faster with BWS+ all-in-one fitness coach. Frustrated with cookie-cutter workout plans and confusing nutrition advice? BWS+ is your intelligent coach and complete fitness companion for achieving the body you've always wanted. The app integrates insights from leading fitness scientists, coaches, and dietitians, offering personalized advice based on your unique body and goals. It evolves with you, adapting your workouts and nutrition based on real-time feedback, encapsulating decades of experience into a dynamic coach that tailors itself to your needs. The latest science, personalized to you - Hyper-Personalized Workouts: Built with Science's advanced algorithm creates a workout plan specifically for your body, goals, and schedule. Whether you're hitting the gym or training at home, we've got you covered. - Progressive Overload Guidance: Never plateau again. BWS+ tells you exactly how to adjust your weights and reps each session for continuous gains. - Real-Time Diet Adjustments: As your body changes, so do your nutritional needs. Our app adapts your meal plan weekly, ensuring you're always on track. All-in-One Fitness and Nutrition Solution - 250+ In-Depth Exercise Tutorials: Master proper form with our detailed video guides, packed with science-based insights. - AI-Powered Meal Scanner: Say goodbye to tedious calorie counting. Simply snap a photo of your meal, and our AI does the rest, accurately tracking your nutrition in seconds. - Daily Knowledge Boosters: Unlock 200+ bite-sized lessons to build your fitness IQ and make informed decisions about your health. One App is All You Need - AI Fitness & Nutrition Assistant: Get personalized answers to your fitness and nutrition questions, as if you're talking directly to Jeremy Ethier. - Muscle Group Prioritizer: Focus on specific muscles that need extra attention for balanced development. - Recomp Detector: Track simultaneous fat loss and muscle gain with our advanced body composition analysis. - Step Tracking and Daily Activity Goals: Seamlessly integrate with Apple Health and Google Fit to optimize your overall activity levels. We've combined cutting-edge technology with years of scientific research to create an app that delivers real, lasting transformations. No more guesswork, no more wasted time in the gym. BWS+ provides the structure and guidance you need to finally achieve the body you deserve. Download now and take the first step towards the best version of yourself! This app requires an active BuiltWithScience+ membership or an in-app subscription purchased through the App Store to access its features and content. Subscription details and terms are available within the app.

Screenshots

pliability4 screens
Built With Science+4 screens

Verdict

The call

pliability and Built With Science+ both sit at 4.8 stars, but that hides the real split: 80% of Built With Science+'s written reviews are positive against 41% of pliability's. Built With Science+ also leads on ads (none vs shown). pliability's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (every 6 days vs fortnightly). On price, rating, ratings volume and in-app purchases 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. pliability sells 2 in-app purchases, starting at $19.99 per month and Built With Science+ sells 4 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for pliability against 4.8 for Built With Science+. Both are backed by a comparable volume of ratings — 10K and 5.1K respectively. Written reviews are what separate them: 41% of pliability's written reviews are positive against 80% of Built With Science+'s.

UpkeepUpdate frequency

pliability ships an update every 6 days, Built With Science+ fortnightly. Both last shipped on October 30, 2026.

Scorecard4 real differences · 6 level
pliability versus Built With Science+: the parameters behind the verdict, then further details
ParameterpliabilityBuilt With Science+
PriceFreeFree
Rating4.8 (10K ratings)4.8 (5.1K ratings) — better
Positive reviews40.8% of reviews79.8% of reviews — better
Number of ratings10K — better5.1K
Update frequencyEvery 6 days — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, Apple TViPhone, iPad, Apple Watch
Requires iOS16.616.2 — better
Further details — not scored
Size263 MB235 MB
Age rating12+4+
Developerpliability, LLCBuilt With Science Holdings Corp

Customer experience

pliability

All ratings10,128 ratings
Positive95.8%
Neutral1.0%
Negative3.2%
Written reviews557 reviews
Positive40.8%
Neutral9.0%
Negative50.3%

Built With Science+

All ratings4,719 ratings
Positive96.1%
Neutral1.8%
Negative2.2%
Written reviews873 reviews
Positive79.8%
Neutral6.3%
Negative13.9%

User reviews

pliability

From 10K App Store ratings

What we love

  • 🌟 Life-changing for mobility and recovery
  • 👍 Consistent daily routines
  • 🧘‍♀️ Meditative and calming experience
  • 🏋️‍♀️ Effective for athletes and active individuals
  • 🔍 Detailed mobility assessment

Room to improve

  • 🐛 Buggy app with frequent crashes and glitches
  • 💰 Expensive subscription
  • 🔇 Intrusive and repetitive voiceover
  • 🤔 Lack of customization options
  • 📚 Repetitive and limited exercise selection

Built With Science+

From 5.1K App Store ratings

What we love

  • 👍 Comprehensive fitness and nutrition tracking
  • 🚀 Convenient all-in-one app
  • 📚 Helpful educational lessons
  • 💪 Science-backed program
  • 🎯 Customized and adaptive workouts

Room to improve

  • 🐛 Occasional performance issues and bugs
  • 🔍 Limited food database and recipe options
  • 📱 Lack of integration with other fitness apps and devices
  • 🕰️ Inflexible workout scheduling
  • 💬 Limited human interaction and coaching support

Bugs and requests

pliability

Reported bugs

5 issues
  • Inability to cancel subscription easily
  • Recurring charges even after cancellation
  • Mobility assessment not accurately detecting issues
  • Syncing issues between app and website
  • Airplay and Chromecast functionality not working reliably

Requested features

5 requests
  • Ability to mute or adjust volume of voiceover and music separately
  • More personalized and adaptive mobility programs based on assessment
  • Integration with Apple Health and other fitness tracking platforms
  • Improved navigation and search functionality
  • Offline mode for routines

Built With Science+

Reported bugs

4 issues
  • Workout data sometimes gets lost or marked incomplete
  • App takes a long time to open
  • Login and sign-up issues for existing customers
  • Inconsistent exercise recommendations and adjustments

Requested features

5 requests
  • Add ability to create and save custom recipes
  • Integrate with Apple Health and other fitness platforms
  • Provide more flexibility in workout scheduling
  • Enhance human coaching and support features
  • Improve performance and stability

In-app purchases

2 purchases

pliability

Subscriptions2
  • Athlete Monthly Subscription7 Days trial$19.991 Month
  • Athlete Annual Subscription7 Days trial$179.991 Year
4 purchases

Built With Science+

Subscriptions2
  • Monthly Membership14 Days trial$29.991 Month
  • Annual Membership14 Days trial$189.001 Year
One-time2
  • Intermediate Program Unlock$49.00
  • Beginner Program Unlock$49.00

Questions

Is pliability free?
pliability is free to download, with in-app purchases available.
Is Built With Science+ free?
Built With Science+ is free to download, with in-app purchases available.
Which has better reviews, pliability or Built With Science+?
Built With Science+ is rated higher. pliability averages 4.8 out of 5 from 10K ratings, while Built With Science+ averages 4.8 from 5.1K ratings.
Do pliability or Built With Science+ have ads?
pliability shows ads; Built With Science+ does not.
Which is updated more often, pliability or Built With Science+?
pliability ships an update every 6 days, and Built With Science+ fortnightly. Most recently, pliability was updated on October 30, 2026 and Built With Science+ on October 30, 2026.

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