# Nullify vs BlockMatrix

The clearest difference is price: BlockMatrix at Free against Nullify's $1.99. Nullify's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.6). On in-app purchases and device support there is nothing between them.

BlockMatrix is free to download; Nullify costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Nullify | BlockMatrix |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Monetization | — | Ad-supported |
| Size | 46 MB | 53 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Saoud](https://appshunter.io/developer/1675476803) | [DNTech7consulting Co., Ltd.](https://appshunter.io/developer/314785526) |

## What reviewers say

### Nullify

[App page](https://appshunter.io/ios/app/nullify-merge-math/id6446024471)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BlockMatrix

[App page](https://appshunter.io/ios/app/blockmatrixthink-in-blocks/id6747108752)

A logic-based block puzzle game where you use numerical clues to deduce the location of hidden blocks. It offers a unique challenge distinct from Sudoku or Nonograms, with progressive difficulty levels for all skill sets.

**Highlights:** Logic-based block deduction, Numerical clues for placement, Progressive difficulty levels, Original puzzle mechanics, Immersive puzzle experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nullify free?

Nullify costs $1.99, with no in-app purchases.

### Is BlockMatrix free?

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

### Do Nullify or BlockMatrix have ads?

BlockMatrix shows ads; Nullify 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.*