# World Rocket Wars 3D vs Calculator Challenge

The clearest difference is in-app purchases: World Rocket Wars 3D at none against Calculator Challenge's 1. World Rocket Wars 3D also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator Challenge sells 1 one-off in-app purchase. World Rocket Wars 3D asks for nothing beyond the download.

## The numbers

| Metric | World Rocket Wars 3D | Calculator Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/world-rocket-wars-3d/id1599471905/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | — |
| Monetization | Free | — |
| Size | 190 MB | 98 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Erdi Kanik](https://appshunter.io/developer/633270074) | [Maysalward UK](https://appshunter.io/developer/1241753360) |

## What reviewers say

### World Rocket Wars 3D

[App page](https://appshunter.io/ios/app/world-rocket-wars-3d/id1599471905)

Engage in strategic defense and card merging gameplay. Upgrade your base and rockets by earning in-game currency to enhance your combat capabilities.

**Highlights:** Tower defense gameplay, Card merging mechanics, Base enhancement, Rocket upgrades, In-game currency earning

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Challenge

[App page](https://appshunter.io/ios/app/calculator-challenge/id1611345246)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is World Rocket Wars 3D free?

World Rocket Wars 3D is free to download, with no in-app purchases.

### Is Calculator Challenge free?

Calculator Challenge is free to download, with in-app purchases available.

### Do World Rocket Wars 3D or Calculator Challenge have ads?

Calculator Challenge shows ads; World Rocket Wars 3D does not.

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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.*