# Blockrix vs SumX

The clearest difference is in-app purchases: SumX at none against Blockrix's 4. SumX also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.1 vs 17.6). Blockrix's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Blockrix sells 4 one-off in-app purchases. SumX asks for nothing beyond the download.

Blockrix ships an update every 3 weeks, SumX every 4 days. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Blockrix | SumX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 22 MB | 41 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammet AYDIN](https://appshunter.io/developer/1858413104) | [SumX Games LTD.](https://appshunter.io/developer/1872948245) |

## What reviewers say

### Blockrix

[App page](https://appshunter.io/ios/app/blockrix/id6758270454)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Diamonds | $0.99 | one-time |
| 550 Diamonds | $4.99 | one-time |
| 1200 Diamonds | $9.99 | one-time |
| 3000 Diamonds | $24.99 | one-time |


### SumX

[App page](https://appshunter.io/ios/app/sumx-daily-math-brain-puzzle/id6758439413)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blockrix free?

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

### Is SumX free?

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

### Do Blockrix or SumX have ads?

SumX shows ads; Blockrix does not.

### Which is updated more often, Blockrix or SumX?

Blockrix ships an update every 3 weeks, and SumX every 4 days. Most recently, Blockrix was updated on October 17, 2026 and SumX on October 19, 2026.

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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.*