# DuelTool vs Calculator Plus Basic & PEMDAS

The clearest difference is review sentiment: Calculator Plus Basic & PEMDAS at 100% against DuelTool's 50%. Calculator Plus Basic & PEMDAS also leads on rating (5.0 vs 1.0) and update cadence (every 3 days vs every 2 months). DuelTool's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Calculator Plus Basic & PEMDAS sells 1 one-off in-app purchase. DuelTool asks for nothing beyond the download.

Calculator Plus Basic & PEMDAS holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 50% of DuelTool's written reviews are positive against 100% of Calculator Plus Basic & PEMDAS's.

DuelTool ships an update every 2 months, Calculator Plus Basic & PEMDAS every 3 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DuelTool | Calculator Plus Basic & PEMDAS |
| --- | --- | --- |
| 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-plus-basic-and-pemdas/id6758761367/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 85 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [People Software Corporation](https://appshunter.io/developer/433853161) | [Paul Flowers](https://appshunter.io/developer/1874852072) |

## 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 Plus Basic & PEMDAS

[App page](https://appshunter.io/ios/app/calculator-plus-basic-and-pemdas/id6758761367)

This app offers a customizable calculator experience with a clean interface and advanced features like PEMDAS mode and calculation history. Personalize its appearance with numerous themes and button styles to suit your preferences.

**Highlights:** PEMDAS order of operations mode, Over 50 customizable color themes, Full calculation history, Adjustable decimal precision, Copy and paste functionality, Sales tax calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Beans Calculator | $4.99 | one-time |


## Frequently asked questions

### Is DuelTool free?

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

### Is Calculator Plus Basic & PEMDAS free?

Calculator Plus Basic & PEMDAS is free to download, with in-app purchases available.

### Which has better reviews, DuelTool or Calculator Plus Basic & PEMDAS?

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

### Do DuelTool or Calculator Plus Basic & PEMDAS have ads?

Calculator Plus Basic & PEMDAS shows ads; DuelTool does not.

### Which is updated more often, DuelTool or Calculator Plus Basic & PEMDAS?

DuelTool ships an update every 2 months, and Calculator Plus Basic & PEMDAS every 3 days. Most recently, DuelTool was updated on September 9, 2026 and Calculator Plus Basic & PEMDAS on September 14, 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.*