# Gridsum vs Block Zone!

The clearest difference is in-app purchases: Block Zone! at none against Gridsum's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gridsum sells 1 one-off in-app purchase. Block Zone! asks for nothing beyond the download.

## The numbers

| Metric | Gridsum | Block Zone! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gridsum/id6770373881/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 183 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Tyler Lewis](https://appshunter.io/developer/1896737710) | [Popcore GmbH](https://appshunter.io/developer/1375461777) |

## What reviewers say

### Gridsum

[App page](https://appshunter.io/ios/app/gridsum/id6770373881)

Engage your mind with a pure logic number puzzle. Swap tiles to match target sums in distinct regions. Hundreds of handcrafted levels and daily challenges await, with global leaderboards to test your skills.

**Highlights:** Logic-based tile swapping, Target sum matching, Hundreds of handcrafted levels, Daily challenges, Global leaderboards, Distraction-free design, Accessibility options

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

**In-app purchases (1)**

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


### Block Zone!

[App page](https://appshunter.io/ios/app/block-zone/id6777010276)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gridsum free?

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

### Is Block Zone! free?

Block Zone! is free to download, with no in-app purchases.

### Do Gridsum or Block Zone! have ads?

Both Gridsum and Block Zone! show 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.*