Comparison

TheStack Baseball vs Edge OS

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

Edge OS

This app provides a daily guided ritual for athletes to enhance mindset and focus. It offers AI-generated reports with actionable insights and personalized coaching. Integrates with wearables and provides workout and nutrition guidance.

Highlights
  • Daily guided ritual for mindset and focus
  • AI-generated daily EDGE Report
  • Personalized AI coaching
  • Wearable and workout integration
  • Nutrition plans and fuel library
  • Pregame lock-in rituals
Features
Read full description

EDGE is the daily operating system for athletes who train their mind like they train their body. Every day, EDGE walks you through a personal ritual you control — a Mind/Body/Soul state check, your training focus, reflection, affirmations, NLP reframes, visualization, scripture, and a daily read. Then your AI coach turns it all into one clear EDGE report: what to focus on today, and why. BUILT FOR GAME DAY • Pregame Lock-In mode to get dialed in before you compete • Streak tracking and Hall of Fame tiers that reward showing up • Recommended workouts and daily fuel to back your body YOUR AI COACH, ON CALL • Chat with a coach that knows your sport, your goals, and your check-ins • A daily EDGE report generated just for you • Guidance that adapts as your season and mindset change CONNECT YOUR BODY • Sync HealthKit, Garmin, or Whoop to fold recovery, sleep, and strain into your coaching (optional — the app works fully without it) MADE YOURS • Reorder the ritual to fit how you actually start your day • Set goals and track the work behind them EDGE Pro unlocks the full daily ritual, AI coach, and reports. — Subscription details — EDGE Pro is an auto-renewable subscription. Your first week is free, then: • Weekly — $4.99/week • Monthly — $12.99/month • Annual — $89.99/year (best value) Payment is charged to your Apple ID at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Any unused portion of a free trial is forfeited when you purchase a subscription.

Screenshots

TheStack Baseball4 screens
Edge OS4 screens

Verdict

The call

The clearest difference is in-app purchases: TheStack Baseball at none against Edge OS's 3. TheStack Baseball also leads on ratings volume (53 vs 3). Edge OS's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, rating, device support and iOS requirement 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. Edge OS sells 3 in-app purchases, starting at $4.99 per 7 days. TheStack Baseball 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 TheStack Baseball against 5.0 for Edge OS. 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, Edge OS every 3 weeks. The most recent releases landed on October 3, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
TheStack Baseball versus Edge OS: the parameters behind the verdict, then further details
ParameterTheStack BaseballEdge OS
PriceFreeFree
Rating4.9 (53 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings53 — better3
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.1
Further details — not scored
Size121 MB54 MB
Age rating4+17+
DeveloperThe Stack System Baseball GP, Inc.Aetheris Solutions LLC

Customer experience

TheStack Baseball

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

Edge OS

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

In-app purchases

None

TheStack Baseball

No in-app purchases

3 purchases

Edge OS

Subscriptions3
  • Edge Weekly7 Days trial$4.997 Days
  • Edge Monthly7 Days trial$12.991 Month
  • Edge Annual7 Days trial$89.991 Year

Questions

Is TheStack Baseball free?
TheStack Baseball is free to download, with no in-app purchases.
Is Edge OS free?
Edge OS is free to download, with in-app purchases available.
Which has better reviews, TheStack Baseball or Edge OS?
Edge OS is rated higher. TheStack Baseball averages 4.9 out of 5 from 53 ratings, while Edge OS averages 5.0 from 3 ratings.
Do TheStack Baseball or Edge OS have ads?
TheStack Baseball shows ads; Edge OS does not.
Which is updated more often, TheStack Baseball or Edge OS?
TheStack Baseball ships an update every 2 months, and Edge OS every 3 weeks. Most recently, TheStack Baseball was updated on October 3, 2026 and Edge OS on September 26, 2026.

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