# マーシャルワールドジャパン vs Customizable Boxing Timer

The clearest difference is in-app purchases: マーシャルワールドジャパン at none against Customizable Boxing Timer's 3. マーシャルワールドジャパン also leads on ads (none vs shown). Customizable Boxing Timer's advantage is update cadence (every 6 months vs every 17 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Customizable Boxing Timer sells 3 in-app purchases, starting at $0.99 per month. マーシャルワールドジャパン asks for nothing beyond the download.

マーシャルワールドジャパン ships an update every 17 months, Customizable Boxing Timer every 6 months. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | マーシャルワールドジャパン | Customizable Boxing Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/customizable-boxing-timer/id1606682867/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 6 months** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 43 MB |
| Requires iOS | **15.3.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MARTIAL WORLD JAPAN, K.K.](https://appshunter.io/developer/1529221442) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### マーシャルワールドジャパン

[App page](https://appshunter.io/ios/app/id1529221440)

**In-app purchases:** none


### Customizable Boxing Timer

[App page](https://appshunter.io/ios/app/customizable-boxing-timer/id1606682867)

This app provides a customizable timer for boxing practice and matches. Easily adjust the number of rounds, match duration, and interval times. Personalize sound and color settings for a tailored experience.

**Highlights:** Number of rounds setting, Match time setting, Interval time setting, Sound settings, Timer color settings

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |
| Support Developer | $0.99 | one-time |
| Remove ads | $19.99 | one-time |


## Frequently asked questions

### Is マーシャルワールドジャパン free?

マーシャルワールドジャパン is free to download, with no in-app purchases.

### Is Customizable Boxing Timer free?

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

### Do マーシャルワールドジャパン or Customizable Boxing Timer have ads?

Customizable Boxing Timer shows ads; マーシャルワールドジャパン does not.

### Which is updated more often, マーシャルワールドジャパン or Customizable Boxing Timer?

マーシャルワールドジャパン ships an update every 17 months, and Customizable Boxing Timer every 6 months. Most recently, マーシャルワールドジャパン was updated on October 25, 2026 and Customizable Boxing Timer on October 12, 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.*