CompuSport vs ShotClock by RackDiscipline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CompuSport
Track all your sports leagues and tournaments with instant access to stats, history, and schedules. Manage match cards, receive notifications, and view performance graphs. Pay league fees and access premium features with a subscription.
- Tournament brackets and charts
- Scheduled matches view
- In-app match card filling
- Push notifications for matches
- Stats and performance graphs
- Online league fee payment
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All your leagues and tournaments, stats, history and more are available instantly. - See tournament brackets/charts - See your scheduled matches - Fill up your match card directly in the app - Receive push notifications when your match is ready - See the winners and awards - See your stats and graphs, compare yourself to your friends - Pin anything to your Wall to get instant access - Pay your league fees online - And so much more *Some features requires an Essentials or Premium subscription plan. Please note, Push Notifications are almost instantaneous, but they are not guaranteed to be delivered on time (for example, network connection problems, google delivery problems), so CompuSport and the event managers are not responsible if you are disqualified for not showing up on time. If you have any problem with the app, please send us an email at info@compusport.ca. Thank you. Terms and conditions: https://compusport.us/app/general/termsofservice
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.
- Configurable shot clock
- Designed for cue sports
- Supports league events
- Supports pro events
- Simple timer interface
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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
Verdict
The clearest difference is price: CompuSport at Free against ShotClock by RackDiscipline's $3.99. CompuSport also leads on ratings volume (95 vs 2) and update cadence (every 6 weeks vs every 3 months). ShotClock by RackDiscipline's advantage is rating (5.0 vs 2.4) and in-app purchases (none vs 5). 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
CompuSport is free to download; ShotClock by RackDiscipline costs $3.99 up front. CompuSport sells 5 in-app purchases, starting at $0.99 per month. ShotClock by RackDiscipline asks for nothing beyond the download.
ShotClock by RackDiscipline holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: CompuSport has 95 ratings behind it against 2, so its average is the more settled of the two.
CompuSport ships an update every 6 weeks, ShotClock by RackDiscipline every 3 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.
| Parameter | CompuSport | ShotClock by RackDiscipline |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 2.4 (95 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 14.8% of reviews | — |
| Number of ratings | 95 — better | 2 |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | #157 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 214 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | CompuSport inc. | Paul Carpenter |
Customer experience
CompuSport
ShotClock by RackDiscipline
Bugs and requests
CompuSport
Reported bugs
20 issues- App crashes when zooming out on big brackets
- App shows blank screen on opening
- App does not work after updates
- App locks with warning to buy antivirus if not premium
- App crashes when trying to export matches to calendar
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- App won't open after update
- App won't let user sign in and crashes on open
- App crashes on load
- Unable to scroll on iPhone SE
- App is blank on multiple phones/accounts
- App crashes when trying to export matches to calendar
- App won't open anymore after update
- App won't load and is blank
- App won't let user sign in and keeps crashing
- App crashes when trying to export matches to calendar
- In-app purchases not allowed error
- App doesn't scroll after latest update
- App closes after opening on iPhone
- App won't load
- App freezes/blacked out
Requested features
4 requests- Allow users to see opponent's handicap
- Notification when a followed player signs up for an event
- User adjustments for appearance (e.g., white background)
- Ability to delete unwanted tournaments from feed
ShotClock by RackDiscipline
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CompuSport
- Essentials (paid monthly)$0.991 Month
- PREMIUM (paid monthly)$3.991 Month
- ESSENTIALS (paid yearly)$4.991 Year
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- PREMIUM (paid yearly)$29.991 Year
- Push Notifications for this event only$1.99
ShotClock by RackDiscipline
No in-app purchases
Questions
Is CompuSport free?
Is ShotClock by RackDiscipline free?
Which has better reviews, CompuSport or ShotClock by RackDiscipline?
Do CompuSport or ShotClock by RackDiscipline have ads?
Which is updated more often, CompuSport or ShotClock by RackDiscipline?
Other comparisons
