Comparison

Arm Care vs The Lab by The Performance Lab

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

Head to head
About

Arm Care

This app uses a strength sensor to measure arm strength, fatigue, and recovery. It then provides personalized training programs to improve velocity and prevent injuries. Thousands of players and MLB teams rely on this technology for arm health monitoring.

Highlights
  • Measure arm strength and range of motion
  • Track fatigue and recovery metrics
  • Individualized throwing and arm care programs
  • Identify and strengthen weak links
  • Monitor arm health and velocity gains
  • Customized daily training routines
Features
Currently charting
Read full description

The ArmCare App is designed to be used with the ArmCare Strength Sensor. ArmCare Technology uses your strength, fatigue and recovery data to individualize training and unlock the potential for huge velocity gains. Gone are the days of using the same arm care band routine. The future is knowing where you are weak, how your arm fatigues and if you are recovering optimally between outings. Thousands of players and over 20 MLB teams are using the ArmCare technology to monitor arm health and velocity. HOW IT WORKS 1. MEASURE YOUR STRENGTH Using the ArmCare Sensor, accurately measure the strength & range of motion of your arm in 5 minutes…with no assistance needed. 2. CHECK YOUR KEY METRICS Strength, Fatigue, Recovery are used to individualize throwing programs, bullpens, pitch counts, velocity programs, pitch design & mechanics 3. ARMCARE OPTIMIZED FOR YOU The app prescribes customized arm care programs to attack your weak links. You know exactly what training to do to get results fast BENEFITS - Players will get real metrics on their rotator cuff strength the same way a bat sensor helps dial in swing path and launch angle. - Players will receive custom arm care programs everyday to help strengthen their weak links, rather than a one size fits all program. - Each player will know exactly what to do to keep his arm feeling fresh and strong all season long. No Medical Advice: - The Program provides general information only and does not constitute providing medical or health care services of any kind, nor engagement in human subjects research. - The information provided in the Program is not medical advice and should not be treated as such. Arm Care subscription Premium: Arm Care plans: Annual: $72 Payments and Renewal: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage or turn off auto-renew in your Account settings at any time after purchase. No cancellation of the current subscription is allowed during the active period. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://armcare.com/pages/privacy-policy

About

The Lab by The Performance Lab

This app provides baseball and softball players with a structured daily training plan created by their coach. Players can log workouts, track progress, and submit videos for feedback, keeping them organized and connected with their coaching team.

Highlights
  • Personalized daily training plans
  • Workout logging for reps and sets
  • Video submission for coach feedback
  • Performance metric tracking
  • Comprehensive game development programming
  • Coach-player connectivity
Features
Read full description

The Lab by The Performance Lab The Lab is the daily training home for baseball and softball players who want to get better with purpose. Follow the exact plan your coach builds for you, log your work as you go, send video for feedback, and watch your progress take shape across the season — all in one place. Built by The Performance Lab for the athletes and coaches we work with every day, The Lab keeps your training organized, accountable, and connected to the people guiding you. Follow your daily plan Your coach's programming shows up day by day — warmups, workouts, cooldowns, and everything in between. No guessing what to do today. Just open the app and get to work. Train across every part of your game Hitting, pitching, weight lifting, and mental performance each get their own focused programming, so your whole development is covered — not just one piece of it. Log every rep and every set Mark workouts complete as you finish them and record the weight you actually lifted, set by set. Your coach sees your work, and you build a clear history of what you've done. Send video for coach feedback Record and upload your swings, bullpens, and lifts straight from the app for your coach to review — so the feedback loop never has to wait until your next session. Track your performance Keep your metrics and progress in view over time, so the daily work adds up to something you can actually see. Built for coaches and players together Coaches program; players perform. The Lab connects both sides so everyone stays on the same page, all season long. To use The Lab, you'll need an account with a coach or organization on The Performance Lab platform. If you're not yet connected with a coach, reach out to your program to get started.

Screenshots

Arm Care4 screens
The Lab by The Performance Lab4 screens

Verdict

The call

The clearest difference is in-app purchases: The Lab by The Performance Lab at none against Arm Care's 11. Arm Care's advantage is ratings volume (3K vs 1) and chart position (#164 vs unranked). On price, rating, update cadence and ads 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. Arm Care sells 10 in-app purchases, starting at $11.99 per month. The Lab by The Performance Lab asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Arm Care against 5.0 for The Lab by The Performance Lab. That said, the two scores are not equally well evidenced: Arm Care has 3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Arm Care ships an update every 9 days, The Lab by The Performance Lab every 10 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 7 level
Arm Care versus The Lab by The Performance Lab: the parameters behind the verdict, then further details
ParameterArm CareThe Lab by The Performance Lab
PriceFreeFree
Rating4.9 (3K ratings)5.0 (1 ratings) — better
Positive reviews73.8% of reviews—
Number of ratings3K — better1
Update frequencyEvery 9 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
Best chart rank#164 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size189 MB33 MB
Age rating12+4+
DeveloperArmCareThe Performance Lab LLC (Virginia)

Customer experience

Arm Care

All ratings2,990 ratings
Positive97.1%
Neutral1.3%
Negative1.6%
Written reviews42 reviews
Positive73.8%
Neutral4.8%
Negative21.4%

The Lab by The Performance Lab

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

Bugs and requests

Arm Care

Reported bugs

2 issues
  • App turns off during exercises
  • Pauses music when opened

Requested features

3 requests
  • Ability to cancel subscription within the app
  • Offline mode for workouts
  • Improved music integration

The Lab by The Performance Lab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Arm Care

Subscriptions10
  • Premium$11.991 Month
  • Premium7 Days trial$12.001 Month
  • Premium7 Days trial$15.001 Month
Show 7 more
  • Premium1 Year trial$15.001 Month
  • Premium7 Days trial$72.001 Year
  • Premium1 Month trial$72.001 Year
  • Premium1 Year trial2 variants$72.001 Year
  • Premium$72.001 Year
  • Premium7 Days trial$99.001 Year
  • Premium1 Year trial$99.001 Year
None

The Lab by The Performance Lab

No in-app purchases

Questions

Is Arm Care free?
Arm Care is free to download, with in-app purchases available.
Is The Lab by The Performance Lab free?
The Lab by The Performance Lab is free to download, with no in-app purchases.
Which has better reviews, Arm Care or The Lab by The Performance Lab?
The Lab by The Performance Lab is rated higher. Arm Care averages 4.9 out of 5 from 3K ratings, while The Lab by The Performance Lab averages 5.0 from 1 ratings.
Do Arm Care or The Lab by The Performance Lab have ads?
Neither Arm Care nor The Lab by The Performance Lab shows ads.
Which is updated more often, Arm Care or The Lab by The Performance Lab?
Arm Care ships an update every 9 days, and The Lab by The Performance Lab every 10 days. Most recently, Arm Care was updated on October 21, 2026 and The Lab by The Performance Lab on October 5, 2026.

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