# PiaBlocks vs Twindoku

The clearest difference is device support: Twindoku at 3 against PiaBlocks's —. PiaBlocks's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | PiaBlocks | Twindoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (27 ratings)](https://appshunter.io/ios/app/twindoku/id6806900906/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 9 days |
| Monetization | — | Ad-supported |
| Size | 23 MB | 165 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yavuz Gedik](https://appshunter.io/developer/1863136256) | [Oakever Games](https://appshunter.io/developer/1658671470) |

## What reviewers say

### PiaBlocks

[App page](https://appshunter.io/ios/app/piablocks-block-puzzle/id6759878832)

**In-app purchases:** none


### Twindoku

[App page](https://appshunter.io/ios/app/twindoku/id6806900906)

A pure logic puzzle game where you fill a grid with two symbols based on a set of rules. Each level has a single, provable solution, and hints explain the deduction process. Mistakes cost hearts but can be undone.

**Highlights:** Pure logic puzzle gameplay, Provable solutions, no guessing, Progressive rule stacking, Interactive hints with explanations, Mistake system with hearts, Varied grid shapes

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

**In-app purchases:** none


## Frequently asked questions

### Is PiaBlocks free?

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

### Is Twindoku free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*