Comparison

TheStack Baseball vs EPT Athlete

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

EPT Athlete

Access elite in-person and remote training options, book sessions with expert coaches, and reserve recovery spaces. Stay updated on the latest performance trends and tools through a seamless mobile experience, whether you're at a facility or training globally.

Highlights
  • Browse training options
  • Book expert coach sessions
  • Reserve recovery spaces
  • Access performance insights
  • Seamless mobile experience
Features
Read full description

Achieve your highest level of performance with the Elite Performance app. Browse elite in-person and remote training options, book sessions with expert coaches, and reserve time in our advanced recovery and wellness spaces. Gain direct access to the latest trends, tools, and insights in human performance, all delivered through a seamless mobile experience. Whether you're training at our state-of-the-art facility at The Star in Frisco, TX or from across the globe, the EP experience is now at your fingertips.

Screenshots

TheStack Baseball4 screens
EPT Athlete4 screens

Verdict

The call

The clearest difference is ads: EPT Athlete at none against TheStack Baseball's shown. EPT Athlete also leads on monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.0). TheStack Baseball's advantage is ratings volume (53 vs 3). On price, rating, update cadence and in-app purchases 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

On the App Store both sit at effectively the same score — 4.9 for TheStack Baseball against 5.0 for EPT Athlete. That said, the two scores are not equally well evidenced: TheStack Baseball has 53 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

TheStack Baseball ships an update every 2 months, EPT Athlete every 3 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 6 level
TheStack Baseball versus EPT Athlete: the parameters behind the verdict, then further details
ParameterTheStack BaseballEPT Athlete
PriceFreeFree
Rating4.9 (53 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings53 — better3
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size121 MB63 MB
Age rating4+4+
DeveloperThe Stack System Baseball GP, Inc.Reif Chron

Customer experience

TheStack Baseball

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

EPT Athlete

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

TheStack Baseball

No in-app purchases

None

EPT Athlete

No in-app purchases

Questions

Is TheStack Baseball free?
TheStack Baseball is free to download, with no in-app purchases.
Is EPT Athlete free?
EPT Athlete is free to download, with no in-app purchases.
Which has better reviews, TheStack Baseball or EPT Athlete?
EPT Athlete is rated higher. TheStack Baseball averages 4.9 out of 5 from 53 ratings, while EPT Athlete averages 5.0 from 3 ratings.
Do TheStack Baseball or EPT Athlete have ads?
TheStack Baseball shows ads; EPT Athlete does not.
Which is updated more often, TheStack Baseball or EPT Athlete?
TheStack Baseball ships an update every 2 months, and EPT Athlete every 3 months. Most recently, TheStack Baseball was updated on September 16, 2026 and EPT Athlete on September 10, 2026.

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