# Monster Addition & Subtraction vs Writezi

The clearest difference is in-app purchases: Writezi at none against Monster Addition & Subtraction's 1. Monster Addition & Subtraction's advantage is device support and iOS requirement (13.0 vs 15.0). On price there is nothing between them.

Both are free to download. Monster Addition & Subtraction sells 1 one-off in-app purchase. Writezi asks for nothing beyond the download.

## The numbers

| Metric | Monster Addition & Subtraction | Writezi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (95 ratings)](https://appshunter.io/ios/app/monster-addition-and-subtraction/id1438032422/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 33 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Hansen](https://appshunter.io/developer/1371022489) | [Tinkercademy Community Showcase](https://appshunter.io/developer/1436937929) |

## What reviewers say

### Monster Addition & Subtraction

[App page](https://appshunter.io/ios/app/monster-addition-and-subtraction/id1438032422)

This educational game helps children learn addition and subtraction through engaging gameplay with cute monsters. It offers multiple difficulty levels and number ranges to cater to various learning stages.

**Highlights:** Addition practice, Subtraction practice, Mixed addition/subtraction, Adjustable difficulty levels, Multiple number ranges (0-100), Cute monster characters

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Writezi

[App page](https://appshunter.io/ios/app/writezi/id1596864534)

**In-app purchases:** none


## Frequently asked questions

### Is Monster Addition & Subtraction free?

Monster Addition & Subtraction is free to download, with in-app purchases available.

### Is Writezi free?

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

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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.*