# 라운드제로(RoundZero) vs BJJ Timer & Scoreboard

The clearest difference is in-app purchases: 라운드제로(RoundZero) at none against BJJ Timer & Scoreboard's 1. 라운드제로(RoundZero) also leads on update cadence (every 4 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BJJ Timer & Scoreboard sells 1 one-off in-app purchase. 라운드제로(RoundZero) asks for nothing beyond the download.

라운드제로(RoundZero) ships an update every 4 days, BJJ Timer & Scoreboard monthly. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 라운드제로(RoundZero) | BJJ Timer & Scoreboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 51 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kwang min bae](https://appshunter.io/developer/1867694419) | [Scott DeSapio](https://appshunter.io/developer/403110618) |

## What reviewers say

### 라운드제로(RoundZero)

[App page](https://appshunter.io/ios/app/roundzero/id6757588010)

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

**In-app purchases:** none


### BJJ Timer & Scoreboard

[App page](https://appshunter.io/ios/app/bjj-timer-and-scoreboard/id6760937324)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jiu-Jitsu Round Timer PRO Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is 라운드제로(RoundZero) free?

라운드제로(RoundZero) is free to download, with no in-app purchases.

### Is BJJ Timer & Scoreboard free?

BJJ Timer & Scoreboard is free to download, with in-app purchases available.

### Do 라운드제로(RoundZero) or BJJ Timer & Scoreboard have ads?

Neither 라운드제로(RoundZero) nor BJJ Timer & Scoreboard shows ads.

### Which is updated more often, 라운드제로(RoundZero) or BJJ Timer & Scoreboard?

라운드제로(RoundZero) ships an update every 4 days, and BJJ Timer & Scoreboard monthly. Most recently, 라운드제로(RoundZero) was updated on September 29, 2026 and BJJ Timer & Scoreboard on September 24, 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.*