# DuelTool vs Calculator

The clearest difference is rating: Calculator at 5.0 against DuelTool's 1.0. Calculator also leads on update cadence (every 8 days vs every 2 months). DuelTool's advantage is iOS requirement (7.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Calculator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

DuelTool ships an update every 2 months, Calculator every 8 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | DuelTool | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/dueltool/id836442259/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-andulator/id1150777586/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [People Software Corporation](https://appshunter.io/developer/433853161) | [Bytesly Technologies, LLC](https://appshunter.io/developer/1538174218) |

## What reviewers say

### DuelTool

[App page](https://appshunter.io/ios/app/dueltool/id836442259)

This utility helps manage life points and battle calculations for YU-GI-OH! duels. It features intuitive controls for increasing or decreasing life points, calculating battle damage, and supports special card effects. Additional functions include dice rolling, coin flips, and undo/reset options for a smoother gameplay experience.

**Highlights:** Life Point calculation, Battle Phase damage calculation, Special card effect support, Dice and coin support, Undo and reset functions, Customizable buttons

**In-app purchases:** none


### Calculator

[App page](https://appshunter.io/ios/app/calculator-andulator/id1150777586)

This universal calculator offers traditional functions plus advanced features like equation solving, geometric calculations, and derivative work. Its smart scanner can read math from text, making it ideal for students and daily use.

**Highlights:** Equation solving, Geometric calculations, Derivative calculations, Smart scanner for text input, Traditional calculator functions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DuelTool free?

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

### Is Calculator free?

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

### Which has better reviews, DuelTool or Calculator?

Calculator is rated higher. DuelTool averages 1.0 out of 5 from 1 ratings, while Calculator averages 5.0 from 2 ratings.

### Do DuelTool or Calculator have ads?

Neither DuelTool nor Calculator shows ads.

### Which is updated more often, DuelTool or Calculator?

DuelTool ships an update every 2 months, and Calculator every 8 days. Most recently, DuelTool was updated on October 13, 2026 and Calculator on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*