# DUDO vs Blockwise

The clearest difference is in-app purchases: DUDO at none against Blockwise's 1. DUDO also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). Blockwise's advantage is update cadence (every 4 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Blockwise sells 1 one-off in-app purchase. DUDO asks for nothing beyond the download.

DUDO ships an update every 3 weeks, Blockwise every 4 days. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DUDO | Blockwise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 2 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Renato Theodoro](https://appshunter.io/developer/6776875737) | [Kenji Ido](https://appshunter.io/developer/1888637351) |

## What reviewers say

### DUDO

[App page](https://appshunter.io/ios/app/dudo/id6776875735)

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

**In-app purchases:** none


### Blockwise

[App page](https://appshunter.io/ios/app/blockwise-cat-block-puzzle/id6790126268)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を削除 | $2.99 | one-time |


## Frequently asked questions

### Is DUDO free?

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

### Is Blockwise free?

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

### Do DUDO or Blockwise have ads?

Blockwise shows ads; DUDO does not.

### Which is updated more often, DUDO or Blockwise?

DUDO ships an update every 3 weeks, and Blockwise every 4 days. Most recently, DUDO was updated on October 9, 2026 and Blockwise on October 31, 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.*