# openblocks vs Tetra

The clearest difference is in-app purchases: openblocks at none against Tetra's 3. openblocks also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | openblocks | Tetra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openblocks/id6800488959/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | — |
| Size | 1 MB | 168 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Heskett](https://appshunter.io/developer/6800488961) | [Ryan Parrish](https://appshunter.io/developer/6809515313) |

## What reviewers say

### openblocks

[App page](https://appshunter.io/ios/app/openblocks/id6800488959)

Experience a pure, classic block puzzle game with no distractions. Stack falling blocks, clear lines, and increase your score as gravity intensifies. Enjoy intuitive controls and a minimalist design for uninterrupted gameplay.

**Highlights:** Classic block stacking gameplay, Line clearing for scoring, Progressive difficulty, Next-piece preview, Soft and hard drop options, Wall kicks for rotation, Offline play

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

**In-app purchases:** none


### Tetra

[App page](https://appshunter.io/ios/app/tetra-blocks-and-flow/id6809515309)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is openblocks free?

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

### Is Tetra free?

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

### Do openblocks or Tetra have ads?

Neither openblocks nor Tetra shows 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.*