# CatchCorner by SI vs Onside

CatchCorner by SI and Onside are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CatchCorner by SI ships an update every 2 months, Onside monthly. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | CatchCorner by SI | Onside |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2K ratings)](https://appshunter.io/ios/app/catchcorner-by-si/id1244285099/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 98.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 138 MB | 38 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Team63 Solutions Inc.](https://appshunter.io/developer/1244285098) | [Allaith Alzoubi](https://appshunter.io/developer/6780034339) |

## 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


### Onside

[App page](https://appshunter.io/ios/app/onside/id6780034337)

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

**In-app purchases:** none


## Frequently asked questions

### Is CatchCorner by SI free?

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

### Is Onside free?

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

### Do CatchCorner by SI or Onside have ads?

Neither CatchCorner by SI nor Onside shows ads.

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

CatchCorner by SI ships an update every 2 months, and Onside monthly. Most recently, CatchCorner by SI was updated on September 29, 2026 and Onside on September 22, 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.*