Comparison

Band Bar Fit vs BodyScience

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

Head to head
About

Band Bar Fit

Log your resistance band workouts, track repetitions, and remember band colors. Unlock advanced features like progress charts and workout customization with a Pro upgrade.

Highlights
  • Log exercise repetitions
  • Track band color usage
  • View recent rep progress
  • Visualize rep progress with charts
  • Customize workout routines
  • Track X3 Bar workouts
Features
Read full description

Track your X3 Resistant Band workouts. Never guess your next set again. Band Bar Fit tracks every rep on your X3 bar: what exercise is next, which band to load, and when you've earned the step up to the next color. TRACK YOUR WORKOUT • Log reps for all 8 core exercises: Chest Press, Deadlift, Overhead Press, Squat, Triceps Press, Bent Row, Biceps Curl, Calf Raise • Pick up exactly where you left off. The app remembers your last session and which exercise is up next • Know which band to use, and get the nudge when it's time to move up • Hands-free with Siri: Say "Last set in Band Bar Fit" or "Log a set in Band Bar Fit", to journal reps without touching your phone GO PRO • Apple Watch app: run the whole workout from your wrist • Widgets: next exercise and progress on your Home Screen and Lock Screen • Progress chart: see your reps as a histogram, tap to dig into any session • Change indicator: every exercise's recent trend at a glance • More bands: Ultra Light, Performance and Short Performance, on top of Light, Medium, Heavy and Elite • Custom workouts: add Pec Crossover, Split Squats and Hypertrophy to your routine PRO SUBSCRIPTION Band Bar Fit is free to use. Pro is available as a monthly or yearly subscription. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use: https://fabianmerkle.com/terms-of-service/ QUESTIONS OR IDEAS? We read every message. Tap "Give Feedback" in the app. We'd love to hear from you. Band Bar Fit is a tracking companion for the X3 bar strength training system. The X3 bar and bands are not included and must be purchased from the manufacturer. Band Bar Fit is an independent app and is not affiliated with, endorsed by, or sponsored by the makers of X3. Thanks to the team at X3 for building such a great system. Band Bar Fit tracks every rep of your X3 bar: what exercise is next, which band to load, and when you've earned the step up to the next color.

About

BodyScience

Features
Read full description

With the Body Science App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

Screenshots

Band Bar Fit4 screens
BodyScience4 screens

Verdict

The call

The clearest difference is in-app purchases: BodyScience at none against Band Bar Fit's 3. BodyScience also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support 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. Band Bar Fit sells 3 in-app purchases, starting at $12.99 per month. BodyScience asks for nothing beyond the download.

UpkeepUpdate frequency

Band Bar Fit ships an update every 3 weeks, BodyScience monthly. The most recent releases landed on November 14, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Band Bar Fit versus BodyScience: the parameters behind the verdict, then further details
ParameterBand Bar FitBodyScience
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.0 — better
Further details — not scored
Size6 MB167 MB
Age rating4+4+
DeveloperFabian MerkleBODY SCIENCE PERSONAL FITNESS THERAPY INC.

In-app purchases

3 purchases

Band Bar Fit

Subscriptions3
  • 1 Month$12.991 Month
  • 3 Month$34.993 Months
  • 1 Year7 Days trial$59.991 Year
None

BodyScience

No in-app purchases

Questions

Is Band Bar Fit free?
Band Bar Fit is free to download, with in-app purchases available.
Is BodyScience free?
BodyScience is free to download, with no in-app purchases.
Do Band Bar Fit or BodyScience have ads?
Neither Band Bar Fit nor BodyScience shows ads.
Which is updated more often, Band Bar Fit or BodyScience?
Band Bar Fit ships an update every 3 weeks, and BodyScience monthly. Most recently, Band Bar Fit was updated on November 14, 2026 and BodyScience on November 8, 2026.

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