# Merge vs Just Plain Sudoku

The clearest difference is in-app purchases: Just Plain Sudoku at none against Merge's 1. Merge's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Merge sells 1 one-off in-app purchase. Just Plain Sudoku asks for nothing beyond the download.

Merge ships an update every 3 days, Just Plain Sudoku every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Merge | Just Plain Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/merge-chess/id1583953370/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 117 MB | 42 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ammonite Design Studios Ltd](https://appshunter.io/developer/460176444) | [Alptug Ince](https://appshunter.io/developer/1803226169) |

## What reviewers say

### Merge

[App page](https://appshunter.io/ios/app/merge-chess/id1583953370)

This game combines classic chess strategy with simple puzzle mechanics. Swipe to merge same-colored pieces, aiming to leave only a King on the board. Be mindful of board space to avoid filling it up.

**Highlights:** Chess strategy, Puzzle mechanics, Swipe to merge pieces, Merge same-colored pieces, Goal: leave only a King, Avoid filling the board

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### Just Plain Sudoku

[App page](https://appshunter.io/ios/app/just-plain-sudoku/id6743500580)

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

**In-app purchases:** none


## Frequently asked questions

### Is Merge free?

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

### Is Just Plain Sudoku free?

Just Plain Sudoku is free to download, with no in-app purchases.

### Do Merge or Just Plain Sudoku have ads?

Both Merge and Just Plain Sudoku show ads.

### Which is updated more often, Merge or Just Plain Sudoku?

Merge ships an update every 3 days, and Just Plain Sudoku every 2 months. Most recently, Merge was updated on November 3, 2026 and Just Plain Sudoku 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.*