Arm Care vs Prep Baseball
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Advanced statistics access
- Clear data visualizations
- Fast search functionality
- Mobile companion for baseball
- Data-driven insights
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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
Verdict
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
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.
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.
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.
| Parameter | Arm Care | Prep Baseball |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (3K ratings) — better | 4.2 (5 ratings) |
| Positive reviews | 73.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 3K — better | 5 |
| Update frequency | Weekly — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Best chart rank | #189 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 197 MB | 74 MB |
| Age rating | 12+ | 12+ |
| Developer | ArmCare | Prep Baseball Report |
Customer experience
Arm Care
Prep Baseball
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
Arm Care
- Premium$11.991 Month
- Premium7 Days trial$12.001 Month
- Premium7 Days trial$15.001 Month
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- 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
Prep Baseball
No in-app purchases








