# DuelTool

> YU-GI-OH! duel life point and battle phase damage calculator. (iPhone/iPad app by People Software Corporation.)

- Source: https://appshunter.io/ios/app/dueltool/id836442259 (this page in markdown: same URL + `.md`)
- Developer: [People Software Corporation](https://appshunter.io/developer/433853161)
- Category: Utilities, Entertainment
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 7.0 · 1 MB
- Languages: American English, Japanese
- Released: 2014-03-12
- Data updated: 2026-08-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dueltool/id836442259/reviews.md

## What is DuelTool?

[Features of the application]
This is a tool to use when the duel in YU-GI-OH!.
Can calculate the Life Points of the player.

[How to use]
When the bar is red, Life Points will reduce.
Conversely, When the bar is blue, Life Points will increase.
If you tap the Life Points part, you can change the player to reduce the Life Points.

[Other Functions]
Calculation of the Battle Phase damage.(VS button)
Supports Shrinka and Solemn Judgment.(1/2 button)
Supports dice and coin.
Supports undo and reset.
Can customize the upper 3 buttons from setting screen.

Come on, let's start duel!

#This app and developers, have no relationship with KAZUKI TAKAHASHI/SHUEISHA /KONAMI.

## Key features

- Life Point calculation
- Battle Phase damage calculation
- Special card effect support
- Dice and coin support
- Undo and reset functions
- Customizable buttons

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/dueltool/id836442259/reviews.md

### 1/5 — Terrible

*2020-08-24*

Reset button doesn’t even work

### 3/5 — Great looks good but

*2018-07-04*

I like this lp calc but it is missing a way to add life points, a much needed feature to complete it.

### 5/5 — Best one out there

*2017-11-15, version 1.0.1*

Used this for socmany duels, quit yugioh for abi,  came back and first thing i do is download this app! Not perfect but best one on the app store

### 5/5 — Great Tool for Yugioh Duels

*2015-08-13, version 1.0.1*

A great app for Yugioh duels. Has a nice, simple layout, high functionality (dice, coin, monster vs monster, etc.), and is easy to use and understand.

## Frequently asked questions about DuelTool

### How does DuelTool calculate life points?

DuelTool allows you to easily adjust player life points. A red bar indicates a reduction in life points, while a blue bar signifies an increase. Tapping the life point section lets you select which player's points to modify.

### What are the 'VS' and '1/2' buttons for in DuelTool?

The 'VS' button is used for calculating Battle Phase damage. The '1/2' button specifically supports effects like Shrinka and Solemn Judgment, which can halve damage or alter game states.

### Can DuelTool be used offline?

Yes, DuelTool is designed as a utility tool for managing game stats. It does not require an internet connection to function, making it suitable for use during offline duels.

### How often is DuelTool updated?

DuelTool was last updated on May 5, 2014, with version 1.0.1. Given its last update date, it is unlikely to receive frequent future updates unless critical bugs are discovered or major platform changes occur.

### What devices does DuelTool support?

DuelTool is available for iPhone and iPod devices. It is not currently listed as supporting Android or other platforms.

### What is the age rating for DuelTool?

DuelTool has an age rating of 4+, making it suitable for young children and general audiences. This rating indicates minimal content concerns.

### Does DuelTool have ads?

No, DuelTool does not contain advertisements. As a free utility, it provides an ad-free experience for users.

### What is the user sentiment for DuelTool based on ratings?

DuelTool has a rating of 1.0 stars from 1 rating. This indicates a very low user satisfaction score based on the available feedback.

## Version history (last 2 releases)

### 1.0.1 — 2014-05-05

- Adjustment of design
- Bug fix

### 1.0 — 2014-03-12

No release notes.

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## More apps by People Software Corporation

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All apps by People Software Corporation: https://appshunter.io/developer/433853161

## Related topics

[supreme duelist 2022](https://appshunter.io/ios/topics/supreme-duelist-2022)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*