Comparison

WPB vs ShotClock by RackDiscipline

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WPB

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
Read full description

Train your pool game with structured drills, lessons, and powerful training tools. Please note: WPB is a training app for real pool and billiards. It’s built for players practicing on a physical table—not a phone game. From World of Pool and Billiards (WPB), this app turns your table time into a structured training program with drills, lessons, tools, and tracking. THE DRILL ENCYCLOPEDIA Stop hitting balls aimlessly and start running focused practice sessions. • 200+ structured drills for aiming, fundamentals, cue-ball control, position play, safeties, and more • Browse drills by difficulty and skill category • Track your scores and see your progress over time • Use timers and weekly leaderboards to stay accountable • Create and share your own custom drills AIMING CALCULATOR | GHOST-BALL AIMING VISUALIZER Struggling with cut shots and contact points? Use the aiming calculator to visualize the ghost ball and learn how to aim any cut shot on the table. • Drag and drop the cue ball and object ball to recreate any shot in seconds • Select a pocket and instantly see the ghost-ball position and contact point • See estimated cue-ball paths for stun, rolling top spin, and draw • Get an instant answer at the table whenever you’re unsure how to aim a shot BREAK SPEED CALCULATOR Don’t guess—measure. • Quickly time your break and see your break speed in seconds • Compare breaks with friends and see who’s really bringing the heat • Test different cues and techniques to find your most powerful controlled break A harder break is only an advantage if you can control it—this tool helps you understand and refine both power and consistency. COMPLETE POOL COURSE Instead of random tips and clips, follow a clear curriculum. • Fundamentals: stance, grip, bridge, and shot routine • Shot Making: aim, cue-ball control, using side spin, and position play • Advanced Techniques: kicking systems and bank shots • Lessons link directly to drills so you know exactly what to practice next Your place in the course is saved, so you always know what to work on when you walk into the pool hall. TABLE LAYOUT CREATOR AND TRAINING TOOLS Design, save, and share situations you want to study. • Drag and drop balls to recreate missed shots and tricky layouts • Build your own custom drills and annotate them with text and shapes • Use the shot clock, simple tournament manager, and quick links to official rule books COMMUNITY FOR SERIOUS POOL PLAYERS Connect with players who are actively working to improve their game. • Share layouts, drills, and participate in discussions • Compete on weekly leaderboards, share personal bests, and earn badges for performance milestones It’s a focused space built around training and getting better at pool—not just another social feed. WHO WPB IS FOR • League players (APA, BCA, and local leagues) looking to move up a skill level • Fargo-rated players who want to raise their rating • Tournament and money-game players who want structured practice • Coaches and room owners who want ready-made drills and layouts for students If you’re willing to put in the work, WPB gives you a framework to follow. FREE VS PREMIUM WPB is free to download with a limited preview mode. To access the full training experience, every user is eligible for a 7-day free trial. Upgrade to Premium to unlock: • Full drill library • Complete course and all lessons • All training tools • Detailed progress tracking and performance insights Choose the plan that fits your training: Monthly, Annual, or Lifetime access. The annual plan costs less than a single in-person coaching session—and gives you a full year of structured training. Download WPB: Pool Training & Drills and start turning your table time into real, measurable improvement. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ShotClock by RackDiscipline

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
Read full description

Intended for referees and tournament directors. This simple 'shot clock' is configurable for league and pro-events. Designed for cue sports (billiards, 8-ball and 9-ball pool, etc.)

Screenshots

WPB4 screens
ShotClock by RackDiscipline3 screens

Verdict

The call

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.

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

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
WPB versus ShotClock by RackDiscipline: the parameters behind the verdict, then further details
ParameterWPBShotClock by RackDiscipline
PriceFree — better$3.99
Rating4.4 (253 ratings)5.0 (2 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings253 — better2
Update frequencyWeekly — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size114 MB1 MB
Age rating4+4+
DeveloperParrent Ventures LLCPaul Carpenter

Customer experience

WPB

All ratings251 ratings
Positive85.7%
Neutral2.8%
Negative11.6%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

ShotClock by RackDiscipline

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

WPB

Subscriptions2
  • Monthly Premium Membership7 Days trial$10.991 Month
  • Annual Premium Membership7 Days trial$79.991 Year
One-time1
  • Lifetime Premium Membership$249.99
None

ShotClock by RackDiscipline

No in-app purchases

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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