Comparison

Arm Care vs Prep Baseball

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

ArmCare – Test. Throw. Train. Build a stronger arm. Throw harder. Recover smarter. ArmCare uses your strength, fatigue, and recovery data to personalize your throwing recommendations and deliver year-round custom arm care training. Trusted by over 100,000 users, ArmCare takes the guesswork out of arm care. HOW IT WORKS 1. TEST YOUR STRENGTH Use the ArmCare Strength Sensor to measure arm strength, identify weaknesses, and monitor fatigue and recovery in just 5 minutes. 2. OPTIMIZE YOUR THROWING Get personalized throwing recommendations based on your arm strength, fatigue, and recovery. 3. YEAR-ROUND CUSTOM TRAINING Follow personalized training programs designed to strengthen your weak links, improve arm strength, and maximize velocity potential. TRACK YOUR PROGRESS The all-new Home Screen makes it easier than ever to: Access testing, throwing, and training. Track weekly progress and stay consistent. Monitor total strength gains and personal records. Earn badges as you reach new milestones. Stop guessing. Start measuring. The ArmCare App is designed to work with the ArmCare Strength Sensor. ARMCARE PREMIUM Monthly: $15/month Annual: $99/year SUBSCRIPTION TERMS Payment is charged to your Apple Account at purchase. Subscriptions automatically renew unless canceled at least 24 hours before renewal. Manage or cancel anytime in your Apple Account settings. Access continues through the current paid period. MEDICAL DISCLAIMER ArmCare provides fitness and performance information only, not medical advice, diagnosis, or treatment. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://armcare.com/pages/privacy-policy

About

Prep Baseball

This app provides baseball players, parents, coaches, and scouts with instant access to advanced statistics and clear visualizations. Turn your data into wins with fast searches and insights, all from your mobile device.

Highlights
  • Advanced statistics access
  • Clear data visualizations
  • Fast search functionality
  • Mobile companion for baseball
  • Data-driven insights
Read full description

Prep Baseball App is the ultimate mobile companion for baseball player, parents, coaches, and scouts, who want to turn data into wins. Gain instant access to advanced stats, clear visualizations, and fast searches, right from your pocket.

Screenshots

Arm Care4 screens
Prep Baseball4 screens

Verdict

The call

The clearest difference is review sentiment: Arm Care at 74% against Prep Baseball's 0%. Arm Care also leads on rating (4.9 vs 4.2) and ratings volume (3K vs 5). Prep Baseball's advantage is in-app purchases (none vs 10). 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. Arm Care sells 10 in-app purchases, starting at $11.99 per month. Prep Baseball asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Arm Care holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Arm Care has 3K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 74% of Arm Care's written reviews are positive against 0% of Prep Baseball's.

UpkeepUpdate frequency

Arm Care ships an update weekly, Prep Baseball every 10 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 5 level
Arm Care versus Prep Baseball: the parameters behind the verdict, then further details
ParameterArm CarePrep Baseball
PriceFreeFree
Rating4.9 (3K ratings) — better4.2 (5 ratings)
Positive reviews73.8% of reviews — better0.0% of reviews
Number of ratings3K — better5
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
Best chart rank#189 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size197 MB74 MB
Age rating12+12+
DeveloperArmCarePrep Baseball Report

Customer experience

Arm Care

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

Prep Baseball

All ratings5 ratings
Positive60.0%
Neutral40.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral100.0%
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

Prep Baseball

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 trial$72.001 Year
  • Premium$72.001 Year
  • Premium7 Days trial$99.001 Year
  • Premium1 Year trial$99.001 Year
None

Prep Baseball

No in-app purchases

Questions

Is Arm Care free?
Arm Care is free to download, with in-app purchases available.
Is Prep Baseball free?
Prep Baseball is free to download, with no in-app purchases.
Which has better reviews, Arm Care or Prep Baseball?
Arm Care is rated higher. Arm Care averages 4.9 out of 5 from 3K ratings, while Prep Baseball averages 4.2 from 5 ratings.
Do Arm Care or Prep Baseball have ads?
Neither Arm Care nor Prep Baseball shows ads.
Which is updated more often, Arm Care or Prep Baseball?
Arm Care ships an update weekly, and Prep Baseball every 10 days. Most recently, Arm Care was updated on November 7, 2026 and Prep Baseball on October 31, 2026.

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