Comparison

MnMotion Lite vs B Strong.

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

Head to head
About

MnMotion Lite

This app helps you track your shoulder range of motion using your phone's motion sensors. It measures common joint movements, allowing you to monitor progress during rehabilitation and share results with your clinician.

Highlights
  • Measure shoulder flexion, abduction, and scapular plane motion
  • Measure flexion, internal, and external rotation lying down
  • Track top three greatest motion achievements
  • Store unlimited recordings
  • Email results to clinicians (CSV/text)
  • Pair with MnMotion Pro app for enhanced data
Features
Read full description

Designed by physical therapists to help you track your shoulder motion keep you motivated. The MnMotion App Lite app utilizes motion sensors in your phone to measure you joint range of motion in common patterns of motion to track your progress over time. These are the same motions physical therapists and other health care providers are interested in to determine you progress in rehabilitation. Features: -Measure flexion, abduction and scapular plane motion standing up. -Measure flexion, internal rotation and external rotation lying down. -Make the measurement part of your range of motion exercises and keep track of the top three greatest motions you were able to achieve. -Keep an unlimited number of recordings stored on your phone -Email your results to your clinician to update your rehabilitation status (CSV files or text emails) Coming soon! -Video instructions for performing each motion. -The app is capable of pairing with the MnMotion Pro clinician app to double the information! Providing simultaneous information of the arm bone (humerus) and shoulder blade (scapula). These are important data for helping your clinician to develop customized rehabilitation programs.

About

B Strong.

This comprehensive platform helps serious athletes and fitness professionals track workouts, log nutrition, and build training programs. It offers AI-powered insights and tools for coaches to manage clients and their businesses directly from their phones.

Highlights
  • Log detailed workout sets with advanced types
  • Track macros, calories, and micronutrients
  • Build and customize structured training programs
  • AI-powered insights for progress and recovery
  • Client management system for coaches
  • In-app messaging and progress monitoring
Features
Read full description

B Strong is a complete strength training and nutrition platform built for serious lifters, self-coached athletes, and fitness professionals. Track your workouts, log your food, build programs, review progress, and use your own data to train with more intent. WORKOUT TRACKING Log sets, reps, weight, RPE, rest times, volume, and personal records across any training style. B Strong supports structured programs, freeform workouts, supersets, advanced set types, warm-ups, rest timers, and detailed workout summaries. Choose the workout view that fits how you train. Use the full active workout screen when you want more detail, or Simple View when you want to log faster and stay focused. New workout tools include: • Simple View for faster active workout logging • Hands-free workout control with Apple Intelligence • Warm-up weight auto-fill • Repeat any previous workout from History • Smarter rest timer behavior • All-time PR detection • Side-by-side comparison with your previous matching session • Workout share cards for progress posts APPLE INTELLIGENCE On supported devices, B Strong uses Apple Intelligence to help you understand your own training and nutrition data. Ask B Strong questions like: • “Is my protein consistent?” • “Why is my bench stalling?” • “Am I training enough volume?” • “How did this workout compare to last time?” Apple Intelligence features include: • Ask B Strong • AI coaching insights after workouts • Weekly coaching report narratives • Hands-free workout commands • Semantic exercise search • AI exercise substitution rationale • Program focus suggestions AI interprets your data. B Strong’s own training and nutrition engines remain the source of truth. NUTRITION TRACKING Track calories, macros, meals, water, habits, food entries, and key micronutrients. Log food manually, scan barcodes, create custom foods, or use faster tools built for real life. Nutrition features include: • Barcode scanning • Food log and macro tracking • Custom foods • Voice nutrition logging • Nutrition label scanning • Create Food from Package • Frequent Picks for your most-used foods • Saved meal templates with Scale and Fit to Targets modes • “What Should I Eat Next?” macro-based recommendations • Micronutrient summary for fiber, sugar, sodium, and potassium PROGRESS & INSIGHTS B Strong helps connect your training, nutrition, bodyweight, and performance so you can see what is actually moving. Progress tools include: • Weekly Coaching Report • Muscle volume analysis • Muscle Support Alignment • Connected Intelligence observations • Bodyweight trend tracking • PR history • Workout summaries • Training and nutrition alignment • Progression recommendations • Smarter deload signals PROGRAM BUILDING Build smarter training blocks with tools designed for real programming, not random workouts. Program tools include: • Mesocycle builder • AI workout generator • AI mesocycle generator • Muscle Priority Tiers: Specialize, Build, or Maintain • Movement Restrictions • Exercise substitution engine • Exercise variety preferences • Compound and isolation rep range controls • Smarter deload advisor • Focus preset info cards • Exercise locking COACHING TOOLS B Strong also supports coaches managing clients, programs, check-ins, progress, and weekly reports. Coach features include: • Client dashboards • Assigned programs • Client check-ins • Intake forms • Movement restriction review • Coach weekly client reports • Unified attention queue • Public coach profiles • Program management tools FREE & PRO B Strong Free includes unlimited workout logging, workout history, basic food logging, barcode scanning, custom foods, macro tracking, and up to 4 saved workout templates. Privacy Policy- timmarcusfitness.com/app-support "Subscriptions are governed by Apple's standard Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MnMotion Lite3 screens
B Strong.4 screens

Verdict

The call

The clearest difference is in-app purchases: MnMotion Lite at none against B Strong.'s 5. MnMotion Lite also leads on iOS requirement (10.2 vs 17.6). B Strong.'s advantage is ratings volume (6 vs 1). On price, rating, ads and monetization model 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. B Strong. sells 5 in-app purchases, starting at $7.99 per month. MnMotion Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for MnMotion Lite against 5.0 for B Strong.. That said, the two scores are not equally well evidenced: B Strong. has 6 ratings behind it against 1, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
MnMotion Lite versus B Strong.: the parameters behind the verdict, then further details
ParameterMnMotion LiteB Strong.
PriceFreeFree
Rating5.0 (1 ratings)5.0 (6 ratings)
Positive reviews—100.0% of reviews
Number of ratings16 — better
Update frequency—Fortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS10.2 — better17.6
Further details — not scored
Size31 MB181 MB
Age rating17+4+
DeveloperRegents of the University of MinnesotaTimothy Marcus

Customer experience

MnMotion Lite

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

B Strong.

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MnMotion Lite

No in-app purchases

5 purchases

B Strong.

Subscriptions5
  • BStrong Pro$7.991 Month
  • Coach Starter Monthly$29.991 Month
  • Coach Professional Monthly$79.991 Month
Show 2 more
  • Coached Monthly$99.991 Month
  • Coach Elite Monthly$149.991 Month

Questions

Is MnMotion Lite free?
MnMotion Lite is free to download, with no in-app purchases.
Is B Strong. free?
B Strong. is free to download, with in-app purchases available.
Which has better reviews, MnMotion Lite or B Strong.?
MnMotion Lite and B Strong. are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.
Do MnMotion Lite or B Strong. have ads?
Neither MnMotion Lite nor B Strong. shows ads.

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