# Subtraction App vs RobloBall

The clearest difference is in-app purchases: RobloBall at none against Subtraction App's 1. RobloBall also leads on ads (none vs shown). Subtraction App's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price there is nothing between them.

Both are free to download. Subtraction App sells 1 in-app purchase, starting at $1.99 per month. RobloBall asks for nothing beyond the download.

## The numbers

| Metric | Subtraction App | RobloBall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 26 MB | 1 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) | [Nasim Mahmoudzadeh](https://appshunter.io/developer/6807317983) |

## What reviewers say

### Subtraction App

[App page](https://appshunter.io/ios/app/subtraction-app/id1622934481)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |


### RobloBall

[App page](https://appshunter.io/ios/app/robloball/id6807831324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction App free?

Subtraction App is free to download, with in-app purchases available.

### Is RobloBall free?

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

### Do Subtraction App or RobloBall have ads?

Subtraction App shows ads; RobloBall 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.*