# Plain Chess vs Kruna · 3D Chess

The clearest difference is update cadence: Plain Chess at every 4 days against Kruna · 3D Chess's every 9 days. Plain Chess also leads on iOS requirement (17.0 vs 26.5). Kruna · 3D Chess's advantage is device support (4 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Plain Chess sells 3 one-off in-app purchases and Kruna · 3D Chess sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Plain Chess ships an update every 4 days, Kruna · 3D Chess every 9 days. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Plain Chess | Kruna · 3D Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/plain-chess-play-and-learn/id6770610908/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Paid | — |
| Size | 115 MB | 53 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Cerebra Enterprises, LLC](https://appshunter.io/developer/1896757537) | [Michael Caklec](https://appshunter.io/developer/974662614) |

## What reviewers say

### Plain Chess

[App page](https://appshunter.io/ios/app/plain-chess-play-and-learn/id6770610908)

Enjoy offline chess matches on your iPhone without ads or accounts. Play against the computer, a friend, or use the AI Coach for strategic advice. Perfect for learning, practicing, or quick games.

**Highlights:** Offline chess play, Play against computer, Pass-and-play multiplayer, AI Coach explanations, Saved games, No ads or account required

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 AI Coach Credits | $2.99 | one-time |
| 30 AI Coach Credits | $7.99 | one-time |
| 100 AI Coach Credits | $19.99 | one-time |


### Kruna · 3D Chess

[App page](https://appshunter.io/ios/app/kruna-3d-chess/id6799446071)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Play | $1.99 | one-time |


## Frequently asked questions

### Is Plain Chess free?

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

### Is Kruna · 3D Chess free?

Kruna · 3D Chess is free to download, with in-app purchases available.

### Do Plain Chess or Kruna · 3D Chess have ads?

Neither Plain Chess nor Kruna · 3D Chess shows ads.

### Which is updated more often, Plain Chess or Kruna · 3D Chess?

Plain Chess ships an update every 4 days, and Kruna · 3D Chess every 9 days. Most recently, Plain Chess was updated on October 23, 2026 and Kruna · 3D Chess on October 10, 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.*