# Nonogram King vs MaiChess AI

The clearest difference is ads: MaiChess AI at none against Nonogram King's shown. MaiChess AI also leads on update cadence (every 2 months vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Nonogram King sells 4 one-off in-app purchases and MaiChess AI sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Nonogram King ships an update every 4 months, MaiChess AI every 2 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Nonogram King | MaiChess AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/nonogram-king/id1142064143/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 185 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOBIRIX](https://appshunter.io/developer/349276666) | [AI MindsLab](https://appshunter.io/developer/1836851407) |

## What reviewers say

### Nonogram King

[App page](https://appshunter.io/ios/app/nonogram-king/id1142064143)

Engage your brain with this logic puzzle game. Solve picture puzzles across various difficulty levels and modes, including time attack and special picture completion. Compete with friends or players worldwide.

**Highlights:** Logic puzzle solving, Multiple difficulty levels, Special picture completion mode, Time attack challenge mode, Multiplayer versus mode, Leaderboards and achievements

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase 500 Gold | $4.99 | one-time |
| Purchase 1,000 Gold | $9.99 | one-time |
| Purchase 3,300 Gold | $29.99 | one-time |
| Purchase 7,000 Gold | $49.99 | one-time |


### MaiChess AI

[App page](https://appshunter.io/ios/app/maichess-ai/id6751793486)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MCTS AI Premium | $2.99 | one-time |
| Mini Games | $4.99 | one-time |


## Frequently asked questions

### Is Nonogram King free?

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

### Is MaiChess AI free?

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

### Do Nonogram King or MaiChess AI have ads?

Nonogram King shows ads; MaiChess AI does not.

### Which is updated more often, Nonogram King or MaiChess AI?

Nonogram King ships an update every 4 months, and MaiChess AI every 2 months. Most recently, Nonogram King was updated on November 2, 2026 and MaiChess AI on October 30, 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.*