Comparison

Built With Science+ vs FLVR

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

Head to head
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.

About

FLVR

Features
Read full description

FLVR - Science-Based Nutrition Made Simple Stop guessing. Start achieving your fitness goals with personalized nutrition powered by cutting-edge AI and peer-reviewed research. NO SUBSCRIPTIONS. OWN IT FOREVER. One simple purchase unlocks everything. No monthly fees. No recurring charges. No premium tiers. Just pay once and own FLVR forever. • 14-day FREE trial • One-time purchase unlocks all features • Never pay again • Complete access to AI, AMS, and all future updates YOUR PERSONAL NUTRITION COACH FLVR's Adaptive Metabolism System (AMS) learns from your body, not generic formulas. Whether you're building muscle, losing fat, or maintaining your physique, get daily calorie and macro targets that adapt to YOUR metabolism. AI-POWERED RECIPE GENERATION (iOS 26+) Create unlimited, custom recipes with Apple Intelligence. Just tell FLVR your goals, dietary restrictions, and available ingredients and on-device AI generates personalized recipes complete with nutrition data and step-by-step instructions. • Generate recipe variations with natural language • AI thumbnail generation for every recipe • Export and share your favorite recipes ADAPTIVE METABOLISM SYSTEM Built on 14+ peer-reviewed studies, AMS calculates your exact needs: • Science-based calorie targets (not generic calculators) • Personalized macro splits for muscle gain or fat loss • Workout-aware adjustments (strength vs cardio vs rest days) • Body composition-adjusted calculations • Gradual adaptation prevents metabolic shock SEAMLESS HEALTH INTEGRATION • HealthKit sync for activity & workouts automatically • Automatic TDEE adjustments based on real activity • Progress tracking with visual charts • Daily nutrition goals that evolve with your progress SMART MEAL TRACKING • Scan nutrition labels instantly to add new items to your personal database • USDA derived ingredient database for accurate nutrition for every recipe • Meal planning with grocery list generation and previous meal history HANDS-FREE COOKING MODE • Wave to go to next or previous step. Perfect for dirty hands (and makes you feel like a Jedi) • Step-by-step cooking guidance with automatically generated prep steps! • Ingredient scaling for any serving size BUILT FOR YOUR PRIVACY • All data stored locally on your device • Optional iCloud backup (encrypted) • Apple Intelligence runs on-device • No third-party tracking or ads • One-time purchase - no recurring charges REQUIREMENTS • iOS 18.5 or later • Apple Intelligence features require iOS 26+ and compatible device (iPhone 15 Pro or later) • HealthKit integration optional but recommended (requires Apple Watch or Apple AirPods Pro Gen 3 for automatic tracking)

Screenshots

Built With Science+4 screens
FLVR4 screens

Verdict

The call

The clearest difference is device support: Built With Science+ at 3 against FLVR's 1. Built With Science+ also leads on iOS requirement (16.2 vs 18.5). On price, update cadence, ads 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. Built With Science+ sells 4 in-app purchases, starting at $29.99 per month and FLVR sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Built With Science+ ships an update every 2 weeks, FLVR every 10 days. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

Scorecard2 real differences · 8 level
Built With Science+ versus FLVR: the parameters behind the verdict, then further details
ParameterBuilt With Science+FLVR
PriceFreeFree
Rating4.8 (3.9K ratings) — better—
Positive reviews79.8% of reviews—
Number of ratings3.9K — better—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.2 — better18.5
Further details — not scored
Size233 MB67 MB
Age rating4+4+
DeveloperBuilt With Science Holdings CorpRichard Servello

Bugs and requests

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

FLVR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
1 purchases

FLVR

One-time1
  • FLVR Premium$4.99

Questions

Is Built With Science+ free?
Built With Science+ is free to download, with in-app purchases available.
Is FLVR free?
FLVR is free to download, with in-app purchases available.
Do Built With Science+ or FLVR have ads?
Neither Built With Science+ nor FLVR shows ads.
Which is updated more often, Built With Science+ or FLVR?
Built With Science+ ships an update every 2 weeks, and FLVR every 10 days. Most recently, Built With Science+ was updated on September 25, 2026 and FLVR on September 13, 2026.

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