# Tetra Tower vs Blast Block 3D

The clearest difference is in-app purchases: Tetra Tower at none against Blast Block 3D's 3. Tetra Tower also leads on iOS requirement (12.0 vs 15.0). Blast Block 3D's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Blast Block 3D sells 3 one-off in-app purchases. Tetra Tower asks for nothing beyond the download.

Tetra Tower ships an update every 4 days, Blast Block 3D weekly. The most recent releases landed on September 22, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Tetra Tower | Blast Block 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Size | 64 MB | 41 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nix Studios](https://appshunter.io/developer/1171287051) | [汪 陶](https://appshunter.io/developer/1702681653) |

## What reviewers say

### Tetra Tower

[App page](https://appshunter.io/ios/app/tetra-tower/id6473703188)

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

**In-app purchases:** none


### Blast Block 3D

[App page](https://appshunter.io/ios/app/blast-block-3d/id6502545155)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Promotional Gift Pack: $1.99 | $1.99 | one-time |
| NoAds | $3.99 | one-time |
| Super Mega Pack: $9.99 USD. | $9.99 | one-time |


## Frequently asked questions

### Is Tetra Tower free?

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

### Is Blast Block 3D free?

Blast Block 3D is free to download, with in-app purchases available.

### Do Tetra Tower or Blast Block 3D have ads?

Tetra Tower shows ads; Blast Block 3D does not.

### Which is updated more often, Tetra Tower or Blast Block 3D?

Tetra Tower ships an update every 4 days, and Blast Block 3D weekly. Most recently, Tetra Tower was updated on September 22, 2026 and Blast Block 3D on May 16, 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.*