Comparison

TheStack Baseball vs Baseball Flows

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

Head to head
About

TheStack Baseball

Enhance your baseball performance by increasing bat speed through dynamic, personalized training programs. Track your progress, connect with other players and coaches, and optimize your workouts for maximum gains. Requires a Stack Bat to begin.

Highlights
  • Dynamic training programs
  • Personalized speed trainer
  • Track speed and metrics
  • Connect with other players
  • Team monitoring for coaches
  • Variable inertia speed training
Features
Read full description

Biohack your Bat Speed so that you can swing faster & play better. From the team that brought you the Award-Winning Stack System loved by over 45,000 golfers, Dr. Sasho MacKenzie has now applied his years of speed research to create the most effective way to increase your bat speed. Players, Coaches, and Organizations across all levels of baseball can now systematically gain bat speed to hit the ball harder, farther, and have more success at the plate. What’s Inside TheStack Baseball App: * Dynamic Training Programs Customized variable inertia speed training (precision overload and overspeed) - the most efficient way to increase your bat speed. The App responds to your progress and continuously optimizes your training. The algorithms that power dynamic programming come from years of research by leading sports scientist, Dr. Sasho MacKenzie and insights from over 25 million swings from The Stack System golf’s solution. * Your Own Personal Speed Trainer Be guided through scheduled workouts while tracking Stack weight, rest, recovery, and performance gains. This information allows future workouts to be adjusted behind the scenes, so your training is optimized to maximize bat speed gains. * Track Speed, Share Metrics Seamless connection to the Stack Sensor, which is integrated into the TheStack Bat. Train anywhere, anytime. Track key performance metrics such as Stack Speed, Distance Potential, Bat Speed and Grit Score. Easily share your progress and gains. * Connect to Others Easily connect and follow other Stackers' progress and keep each other on track with your training. If you’re a Coach, add your whole team and monitor progress. *** To start speed training, you will need a Stack Bat. Terms of Use: http://www.apple.com/legal/itunes/appstore/dev/stdeula

About

Baseball Flows

Unlock peak athletic performance with specialized training programs designed for rotational athletes. Developed by an expert with professional playing and physical therapy experience, this app offers quick, science-driven workouts that adapt automatically to your progress. Track your fitness journey and integrate with popular wearable devices and health apps.

Highlights
  • Expert-guided training programs
  • Science-driven athletic development
  • Quick 15-20 minute workouts
  • Automatic progression system
  • Wearable device integration
  • Apple Health integration
Features
Read full description

Step into a new era of athletic excellence with the Baseball Flows™ app – your ultimate companion for unlocking peak performance on the field! Developed by Dr. Ismael Gallo, a former professional baseball player and current Doctor of Physical Therapy, this app is your go-to resource for specialized Movement Flow and Athleticism training tailored for rotational athletes. Key Features: Expert Guidance: Crafted by Dr. Ismael Gallo, a former pro-player turned Physical Therapist. You're in the hands of an expert! Science-Driven Programs: Beyond a mere workout routine, our comprehensive training programs are scientifically backed to elevate your on-field metrics. Quick and Efficient: Just 15-20 minutes a day with 5-6 exercises. We ensure your training is quick, efficient, and effective. Automatic Progression: Maximize gains with automatic progression every two weeks, ensuring steady progress toward your goals. At Baseball Flows™, we believe every player, regardless of skill level or experience, has the potential for greatness. Our program is designed to help beginners build a robust foundation and experienced players take their skills to the next level. With our custom Baseball Flows™ mobile app, you'll have everything you need to succeed on the field. Sign up today and witness the transformative results! 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. Whether you're a player, parent, or coach, Baseball Flows empowers you to conquer movement system challenges, ensuring you move better and play better. Ready to take your game to the next level?  Head over to www.baseballflows.com to sign up!  We are excited to witness your transformation. Download now and let's Flow!

Screenshots

TheStack Baseball4 screens
Baseball Flows4 screens

Verdict

The call

The clearest difference is ads: Baseball Flows at none against TheStack Baseball's shown. Baseball Flows also leads on monetization model (free vs ad-supported) and device support (4 vs 2). TheStack Baseball's advantage is rating (4.9 vs 4.6). On price, review sentiment, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

TheStack Baseball holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 53 and 21 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

TheStack Baseball ships an update every 2 months, Baseball Flows every 6 weeks. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
TheStack Baseball versus Baseball Flows: the parameters behind the verdict, then further details
ParameterTheStack BaseballBaseball Flows
PriceFreeFree
Rating4.9 (53 ratings) — better4.6 (21 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings53 — better21
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.0 — better15.5
Further details — not scored
Size121 MB169 MB
Age rating4+4+
DeveloperThe Stack System Baseball GP, Inc.Baseball Flows llc

Customer experience

TheStack Baseball

All ratings53 ratings
Positive98.1%
Neutral1.9%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Baseball Flows

All ratings21 ratings
Positive90.5%
Neutral0.0%
Negative9.5%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

TheStack Baseball

No in-app purchases

None

Baseball Flows

No in-app purchases

Questions

Is TheStack Baseball free?
TheStack Baseball is free to download, with no in-app purchases.
Is Baseball Flows free?
Baseball Flows is free to download, with no in-app purchases.
Which has better reviews, TheStack Baseball or Baseball Flows?
TheStack Baseball is rated higher. TheStack Baseball averages 4.9 out of 5 from 53 ratings, while Baseball Flows averages 4.6 from 21 ratings.
Do TheStack Baseball or Baseball Flows have ads?
TheStack Baseball shows ads; Baseball Flows does not.
Which is updated more often, TheStack Baseball or Baseball Flows?
TheStack Baseball ships an update every 2 months, and Baseball Flows every 6 weeks. Most recently, TheStack Baseball was updated on September 16, 2026 and Baseball Flows on September 23, 2026.

Other comparisons