# The Stack System vs Kinect Performance

The clearest difference is in-app purchases: Kinect Performance at none against The Stack System's 8. Kinect Performance also leads on iOS requirement (13.0 vs 16.2). The Stack System's advantage is update cadence (monthly vs every 16 months) and chart position (#174 vs unranked). On price, ads 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. Kinect Performance asks for nothing beyond the download.

The Stack System ships an update monthly, Kinect Performance every 16 months. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | The Stack System | Kinect Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7K ratings)](https://appshunter.io/ios/app/the-stack-system/id1534757407/reviews)** | — |
| Number of ratings | **7K** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 16 months |
| Monetization | Freemium | — |
| Best chart rank | **#174** | — |
| Size | 213 MB | 51 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Stack System, LP](https://appshunter.io/developer/1534757409) | [Joseph Rosenthal](https://appshunter.io/developer/1612677782) |

## What reviewers say

### The Stack System

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

**Currently charting:** #174 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


### Kinect Performance

[App page](https://appshunter.io/ios/app/kinect-performance/id1612677780)

**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 Kinect Performance free?

Kinect Performance is free to download, with no in-app purchases.

### Do The Stack System or Kinect Performance have ads?

Neither The Stack System nor Kinect Performance shows ads.

### Which is updated more often, The Stack System or Kinect Performance?

The Stack System ships an update monthly, and Kinect Performance every 16 months. Most recently, The Stack System was updated on September 24, 2026 and Kinect Performance on September 9, 2026.

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