# iRoll BJJ vs Corner

iRoll BJJ and Corner are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. iRoll BJJ sells 2 in-app purchases, starting at $5.99 per month and Corner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | iRoll BJJ | Corner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 13 MB | 3 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [iRoll Ltd](https://appshunter.io/developer/1872807713) | [Liridon Tahiraj](https://appshunter.io/developer/1823885577) |

## What reviewers say

### iRoll BJJ

[App page](https://appshunter.io/ios/app/iroll-bjj/id6758413105)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRoll BJJ Monthly | $5.99 | per month |
| iRoll BJJ Annual | $49.99 | per year |


### Corner

[App page](https://appshunter.io/ios/app/corner-boxing-round-timer/id6793003846)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Corner Pro | $9.99 | one-time |


## Frequently asked questions

### Is iRoll BJJ free?

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

### Is Corner free?

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

### Do iRoll BJJ or Corner have ads?

Neither iRoll BJJ nor Corner shows ads.

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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.*