# Roller BJJ vs UBT

The clearest difference is ads: Roller BJJ at none against UBT's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Roller BJJ | UBT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Size | 19 MB | 54 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Dornan](https://appshunter.io/developer/1865035474) | [Matheus Tonelotto](https://appshunter.io/developer/1887953373) |

## What reviewers say

### Roller BJJ

[App page](https://appshunter.io/ios/app/roller-bjj/id6757169155)

**Features:** macOS Compatibility

**In-app purchases:** none


### UBT

[App page](https://appshunter.io/ios/app/ubt-ultimate-bjj-timer/id6797043830)

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

**In-app purchases:** none


## Frequently asked questions

### Is Roller BJJ free?

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

### Is UBT free?

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

### Do Roller BJJ or UBT have ads?

UBT shows ads; Roller BJJ does not.

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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.*