# CatchCorner by SI vs Diamond DJs

The clearest difference is in-app purchases: CatchCorner by SI at none against Diamond DJs's 1. CatchCorner by SI also leads on iOS requirement (15.5 vs 18.6). Diamond DJs's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Diamond DJs sells 1 one-off in-app purchase. CatchCorner by SI asks for nothing beyond the download.

CatchCorner by SI ships an update every 2 months, Diamond DJs every 2 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CatchCorner by SI | Diamond DJs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2K ratings)](https://appshunter.io/ios/app/catchcorner-by-si/id1244285099/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 98.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 138 MB | 4 MB |
| Requires iOS | **15.5** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Team63 Solutions Inc.](https://appshunter.io/developer/1244285098) | [Dave Rice](https://appshunter.io/developer/1163564129) |

## What reviewers say

### CatchCorner by SI

[App page](https://appshunter.io/ios/app/catchcorner-by-si/id1244285099)

Easily book sports facilities like basketball courts, soccer fields, and ice rinks in major North American cities. Browse real-time availability, view 360° facility tours, and sign agreements digitally. Receive personalized alerts for your preferred times and locations.

**Highlights:** Book sports surfaces, Real-time availability, No booking fees, Personalized availability alerts, E-signature for agreements, 360° facility views

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient booking process
- 💰 Affordable pricing
- 🔍 Wide selection of facilities
- 🤝 Responsive customer service

**What reviewers complain about**

- 🐛 Occasional booking issues or cancellations
- 🔍 Limited facility options in some areas
- 💬 Lack of direct communication with facilities

**Reported bugs**

- Issues with signing rental agreements on mobile
- Incorrect booking time displayed in some cases

**Requested features**

- Ability to view facility reviews
- Integration with calendar apps
- Expansion to more sports and locations


### Diamond DJs

[App page](https://appshunter.io/ios/app/diamond-djs/id6766321847)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Announcer Tokens | $4.99 | one-time |


## Frequently asked questions

### Is CatchCorner by SI free?

CatchCorner by SI is free to download, with no in-app purchases.

### Is Diamond DJs free?

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

### Do CatchCorner by SI or Diamond DJs have ads?

Neither CatchCorner by SI nor Diamond DJs shows ads.

### Which is updated more often, CatchCorner by SI or Diamond DJs?

CatchCorner by SI ships an update every 2 months, and Diamond DJs every 2 days. Most recently, CatchCorner by SI was updated on October 17, 2026 and Diamond DJs on October 8, 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.*