# WPB vs ShotClock by RackDiscipline

The clearest difference is price: WPB at Free against ShotClock by RackDiscipline's $3.99. WPB also leads on update cadence (weekly vs every 3 months) and ratings volume (253 vs 2). ShotClock by RackDiscipline's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 3). On device support and iOS requirement there is nothing between them.

WPB is free to download; ShotClock by RackDiscipline costs $3.99 up front. WPB sells 3 in-app purchases, starting at $10.99 per month. ShotClock by RackDiscipline asks for nothing beyond the download.

ShotClock by RackDiscipline holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: WPB has 253 ratings behind it against 2, so its average is the more settled of the two.

WPB ships an update weekly, ShotClock by RackDiscipline every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | WPB | ShotClock by RackDiscipline |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.4 (253 ratings)](https://appshunter.io/ios/app/wpb-pool-training-and-drills/id1591274006/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shotclock-by-rackdiscipline/id6448687219/reviews)** |
| Number of ratings | **253** | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 114 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Parrent Ventures LLC](https://appshunter.io/developer/1879458805) | [Paul Carpenter](https://appshunter.io/developer/1685588974) |

## What reviewers say

### WPB

[App page](https://appshunter.io/ios/app/wpb-pool-training-and-drills/id1591274006)

Enhance your pool game with structured drills, lessons, and advanced training tools. Visualize shots, calculate break speed, and track progress to improve your skills on a physical table.

**Highlights:** 200+ structured drills, Ghost-ball aiming visualizer, Break speed calculator, Complete pool course curriculum, Table layout creator, Custom drill sharing, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $10.99 | per month |
| Annual Premium Membership | $79.99 | per year |
| Lifetime Premium Membership | $249.99 | one-time |


### ShotClock by RackDiscipline

[App page](https://appshunter.io/ios/app/shotclock-by-rackdiscipline/id6448687219)

This configurable shot clock is designed for referees and tournament directors in cue sports like billiards and pool. It supports league and professional events, providing a simple timer solution for matches.

**Highlights:** Configurable shot clock, Designed for cue sports, Supports league events, Supports pro events, Simple timer interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WPB free?

WPB is free to download, with in-app purchases available.

### Is ShotClock by RackDiscipline free?

ShotClock by RackDiscipline costs $3.99, with no in-app purchases.

### Which has better reviews, WPB or ShotClock by RackDiscipline?

ShotClock by RackDiscipline is rated higher. WPB averages 4.4 out of 5 from 253 ratings, while ShotClock by RackDiscipline averages 5.0 from 2 ratings.

### Do WPB or ShotClock by RackDiscipline have ads?

WPB shows ads; ShotClock by RackDiscipline does not.

### Which is updated more often, WPB or ShotClock by RackDiscipline?

WPB ships an update weekly, and ShotClock by RackDiscipline every 3 months. Most recently, WPB was updated on November 7, 2026 and ShotClock by RackDiscipline on November 3, 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.*