# CompuSport vs ShotClock by RackDiscipline

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.

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.

## The numbers

| Metric | CompuSport | ShotClock by RackDiscipline |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [2.4 (95 ratings)](https://appshunter.io/ios/app/compusport/id963916160/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shotclock-by-rackdiscipline/id6448687219/reviews)** |
| Number of ratings | **95** | 2 |
| Positive reviews | 14.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#153** | — |
| Size | 214 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [CompuSport inc.](https://appshunter.io/developer/963916159) | [Paul Carpenter](https://appshunter.io/developer/1685588974) |

## What reviewers say

### CompuSport

[App page](https://appshunter.io/ios/app/compusport/id963916160)

**Currently charting:** #153 Top Grossing · Sports (US App Store)

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.

**Highlights:** Tournament brackets and charts, Scheduled matches view, In-app match card filling, Push notifications for matches, Stats and performance graphs, Online league fee payment

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essentials (paid monthly) | $0.99 | per month |
| PREMIUM (paid monthly) | $3.99 | per month |
| ESSENTIALS (paid yearly) | $4.99 | per year |
| PREMIUM (paid yearly) | $29.99 | per year |
| Push Notifications for this event only | $1.99 | one-time |

**What reviewers like**

- 👍 Great for looking at brackets
- 👍 User-friendly after updates
- 👍 Good for APA Nationals
- 👍 Works like a pro for tournaments
- 👍 Accurate CompuSport Rating

**What reviewers complain about**

- 😞 App crashes frequently
- 😞 Blank screen on opening
- 😞 Not working after updates
- 😞 Virus spam/false warnings
- 😞 Unable to scroll on iPhone

**Reported bugs**

- 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

**Requested features**

- 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

[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 CompuSport free?

CompuSport 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, CompuSport or ShotClock by RackDiscipline?

ShotClock by RackDiscipline is rated higher. CompuSport averages 2.4 out of 5 from 95 ratings, while ShotClock by RackDiscipline averages 5.0 from 2 ratings.

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

CompuSport shows ads; ShotClock by RackDiscipline does not.

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

CompuSport ships an update every 6 weeks, and ShotClock by RackDiscipline every 3 months. Most recently, CompuSport was updated on October 26, 2026 and ShotClock by RackDiscipline on October 19, 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.*