# 4x4 Chess vs DiDuDaDo

The clearest difference is in-app purchases: 4x4 Chess at none against DiDuDaDo's 1. 4x4 Chess also leads on iOS requirement (13.0 vs 15.0). DiDuDaDo's advantage is update cadence (every 2 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. DiDuDaDo sells 1 one-off in-app purchase. 4x4 Chess asks for nothing beyond the download.

4x4 Chess ships an update every 7 months, DiDuDaDo every 2 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 4x4 Chess | DiDuDaDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/4x4-chess/id1329346327/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 37 MB | 86 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Daisuke Shinzato](https://appshunter.io/developer/1329176830) | [Riten Vagadiya](https://appshunter.io/developer/1339329816) |

## What reviewers say

### 4x4 Chess

[App page](https://appshunter.io/ios/app/4x4-chess/id1329346327)

Experience a fast-paced, simplified version of chess on a 4x4 board. Games conclude in about a minute, making it perfect for quick play sessions. This accessible variant is designed for both beginners and experienced players seeking a new challenge.

**Highlights:** 4x4 chessboard, Random piece arrangement, Quick 1-minute games, Beginner-friendly gameplay, Accessible chess variant

**In-app purchases:** none


### DiDuDaDo

[App page](https://appshunter.io/ios/app/didudado/id1627711815)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Lifetime) | $0.99 | one-time |


## Frequently asked questions

### Is 4x4 Chess free?

4x4 Chess is free to download, with no in-app purchases.

### Is DiDuDaDo free?

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

### Do 4x4 Chess or DiDuDaDo have ads?

Both 4x4 Chess and DiDuDaDo show ads.

### Which is updated more often, 4x4 Chess or DiDuDaDo?

4x4 Chess ships an update every 7 months, and DiDuDaDo every 2 days. Most recently, 4x4 Chess was updated on October 12, 2026 and DiDuDaDo on October 25, 2026.

---

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