# Heptrix 3D vs Block Block X

The clearest difference is ads: Block Block X at none against Heptrix 3D's shown. Block Block X also leads on update cadence (every 3 months vs every 19 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Heptrix 3D ships an update every 19 months, Block Block X every 3 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Heptrix 3D | Block Block X |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 3 months** |
| Size | 74 MB | 76 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jose Varela](https://appshunter.io/developer/336500035) | [seojin kim](https://appshunter.io/developer/1734429350) |

## What reviewers say

### Heptrix 3D

[App page](https://appshunter.io/ios/app/heptrix-3d-ads/id919644015)

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

**In-app purchases:** none


### Block Block X

[App page](https://appshunter.io/ios/app/block-block-x/id6746814829)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heptrix 3D free?

Heptrix 3D is free to download, with no in-app purchases.

### Is Block Block X free?

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

### Do Heptrix 3D or Block Block X have ads?

Heptrix 3D shows ads; Block Block X does not.

### Which is updated more often, Heptrix 3D or Block Block X?

Heptrix 3D ships an update every 19 months, and Block Block X every 3 months. Most recently, Heptrix 3D was updated on October 24, 2026 and Block Block X on October 30, 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.*