# DuelTool vs Numby

The clearest difference is update cadence: Numby at every 2 days against DuelTool's every 2 months. DuelTool's advantage is iOS requirement (7.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

DuelTool ships an update every 2 months, Numby every 2 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DuelTool | Numby |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 16 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [People Software Corporation](https://appshunter.io/developer/433853161) | [TEAM MILESTONE GP.](https://appshunter.io/developer/1678715921) |

## 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


### Numby

[App page](https://appshunter.io/ios/app/numbybeautiful-calculator/id6755832409)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DuelTool free?

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

### Is Numby free?

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

### Do DuelTool or Numby have ads?

Neither DuelTool nor Numby shows ads.

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

DuelTool ships an update every 2 months, and Numby every 2 days. Most recently, DuelTool was updated on October 23, 2026 and Numby on October 25, 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.*