# Addition vs Rugged Robot

The clearest difference is device support: Addition at 3 against Rugged Robot's 1. Addition also leads on iOS requirement (7.0 vs 12.0). On price, 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.

## The numbers

| Metric | Addition | Rugged Robot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/addition/id1335953891/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 19 months |
| Monetization | Free | — |
| Size | 81 MB | 244 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Askunge](https://appshunter.io/developer/664878085) | [TTS Group Limited](https://appshunter.io/developer/500131642) |

## What reviewers say

### Addition

[App page](https://appshunter.io/ios/app/addition/id1335953891)

Enhance your mental math abilities with this application focused on addition exercises. It adapts to your performance, offering an unlimited progression of difficulty levels. Suitable for users of all ages looking to sharpen their arithmetic skills.

**Highlights:** Mental arithmetic addition practice, Adaptive difficulty levels, Unlimited levels, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


### Rugged Robot

[App page](https://appshunter.io/ios/app/rugged-robot/id1465260885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Addition free?

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

### Is Rugged Robot free?

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

### Do Addition or Rugged Robot have ads?

Neither Addition nor Rugged Robot shows ads.

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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.*