# IntelliReferee vs CircleUp Book

The clearest difference is in-app purchases: CircleUp Book at none against IntelliReferee's 1. CircleUp Book also leads on iOS requirement (15.1 vs 17). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. IntelliReferee sells 1 in-app purchase, starting at $9.99 per month. CircleUp Book asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for IntelliReferee against 5.0 for CircleUp Book. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

IntelliReferee ships an update fortnightly, CircleUp Book weekly. Both last shipped on October 8, 2026.

## The numbers

| Metric | IntelliReferee | CircleUp Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/intellireferee/id6740975206/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/circleup-book/id6760900749/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 320 MB | 30 MB |
| Requires iOS | 17 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigiMithril Inc.](https://appshunter.io/developer/1792359996) | [Circle UP Tech LLC](https://appshunter.io/developer/6807482036) |

## What reviewers say

### IntelliReferee

[App page](https://appshunter.io/ios/app/intellireferee/id6740975206)

This AI-powered application uses computer vision and machine learning to provide objective analysis and refereeing support for squash matches. It offers real-time and post-match video breakdowns, performance insights, and tactical analysis for players, coaches, and referees.

**Highlights:** AI-powered squash analysis, Automated refereeing support, Real-time video analysis, Post-match performance breakdowns, Player movement and shot pattern tracking, Tactical analysis for coaches

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus Access | $9.99 | per month |


### CircleUp Book

[App page](https://appshunter.io/ios/app/circleup-book/id6760900749)

Easily organize squash matches, from casual games to competitive sessions. Connect with players, schedule games, and keep track of your upcoming matches with friends and groups.

**Highlights:** Schedule squash singles and doubles games, Connect with players at your club, Create and join games, Organize matches with friends, Invite players easily, Track upcoming matches

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

**In-app purchases:** none


## Frequently asked questions

### Is IntelliReferee free?

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

### Is CircleUp Book free?

CircleUp Book is free to download, with no in-app purchases.

### Which has better reviews, IntelliReferee or CircleUp Book?

IntelliReferee and CircleUp Book are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do IntelliReferee or CircleUp Book have ads?

Neither IntelliReferee nor CircleUp Book shows ads.

### Which is updated more often, IntelliReferee or CircleUp Book?

IntelliReferee ships an update fortnightly, and CircleUp Book weekly. Most recently, IntelliReferee was updated on October 8, 2026 and CircleUp Book on October 8, 2026.

---

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