# The Stack System vs TheStack Baseball

The Stack System and TheStack Baseball both sit at 4.9 stars, but that hides the real split: 87% of The Stack System's written reviews are positive against 0% of TheStack Baseball's. The Stack System also leads on ads (none vs shown) and ratings volume (7K vs 53). TheStack Baseball's advantage is in-app purchases (none vs 8). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. The Stack System sells 6 in-app purchases, starting at $9.99 per 7 days. TheStack Baseball asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for The Stack System against 4.9 for TheStack Baseball. That said, the two scores are not equally well evidenced: The Stack System has 7K ratings behind it against 53, so its average is the more settled of the two. Written reviews are what separate them: 87% of The Stack System's written reviews are positive against 0% of TheStack Baseball's.

The Stack System ships an update monthly, TheStack Baseball every 2 months. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | The Stack System | TheStack Baseball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7K ratings)](https://appshunter.io/ios/app/the-stack-system/id1534757407/reviews) | [4.9 (53 ratings)](https://appshunter.io/ios/app/thestack-baseball/id6477413655/reviews) |
| Number of ratings | **7K** | 53 |
| Positive reviews | **87.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Freemium | **Ad-supported** |
| Best chart rank | **#170** | — |
| Size | 213 MB | 121 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Stack System, LP](https://appshunter.io/developer/1534757409) | [The Stack System Baseball GP, Inc.](https://appshunter.io/developer/1729294195) |

## What reviewers say

### The Stack System

[App page](https://appshunter.io/ios/app/the-stack-system/id1534757407)

**Currently charting:** #170 Top Grossing · Health & Fitness (US App Store)

Enhance your golf game with science-based training modules for speed, wedging, and putting. Improve distance, accuracy, and consistency with personalized practice sessions and detailed analytics. Requires compatible hardware.

**Highlights:** Variable inertia speed training for distance, Science-based wedge distance control, Gamified putting practice and analytics, Personalized practice sessions, Real-time scoring and insights, Customizable training modes

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Putting 1 Week | $9.99 | per 7 days |
| Stack Putting 1 Wk | $9.99 | per 7 days |
| TheStack Speed Training | $14.99 | per 7 days |
| TheStack Scoring Membership | $99.00 | per year |
| TheStack Speed Membership | $99.00 | per year |
| TheStack Premium Membership | $129.00 | per year |

**What reviewers like**

- 🚀 Seeing speed gains
- 👍 Easy to use app
- 👍 Motivating and helpful
- 👍 Detailed instructions
- 👍 Warmup routine

**What reviewers complain about**

- 🐛 Glitchy app (audio, dictation, timers)
- 🔧 Integration issues with other devices
- 💡 More insights and advice needed
- 🐛 Inconsistent audio/voice features
- 🐛 Occasional missing countdown

**Reported bugs**

- Putting app not working properly
- Slope percentage input issue

**Requested features**

- Calendar integration
- Music/podcast playback integration
- Apple Watch support


### TheStack Baseball

[App page](https://appshunter.io/ios/app/thestack-baseball/id6477413655)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Stack System free?

The Stack System is free to download, with in-app purchases available.

### Is TheStack Baseball free?

TheStack Baseball is free to download, with no in-app purchases.

### Which has better reviews, The Stack System or TheStack Baseball?

The Stack System and TheStack Baseball are both rated 4.9 out of 5 on the App Store, from 7K and 53 ratings respectively.

### Do The Stack System or TheStack Baseball have ads?

TheStack Baseball shows ads; The Stack System does not.

### Which is updated more often, The Stack System or TheStack Baseball?

The Stack System ships an update monthly, and TheStack Baseball every 2 months. Most recently, The Stack System was updated on September 24, 2026 and TheStack Baseball on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*