# Boxing Chrono vs UBT

The clearest difference is in-app purchases: UBT at none against Boxing Chrono's 1. UBT also leads on iOS requirement (16.4 vs 26.2). Boxing Chrono's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Boxing Chrono sells 1 one-off in-app purchase. UBT asks for nothing beyond the download.

## The numbers

| Metric | Boxing Chrono | UBT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Size | 15 MB | 54 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ioannis Kyritsis](https://appshunter.io/developer/1854004015) | [Matheus Tonelotto](https://appshunter.io/developer/1887953373) |

## What reviewers say

### Boxing Chrono

[App page](https://appshunter.io/ios/app/boxing-chrono/id6758235341)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Boxing Chrono | $0.99 | one-time |


### 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 Boxing Chrono free?

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

### Is UBT free?

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

### Do Boxing Chrono or UBT have ads?

UBT shows ads; Boxing Chrono 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.*