# Merge Num vs Sudoku Studio

The clearest difference is ads: Sudoku Studio at none against Merge Num's shown. Merge Num's advantage is update cadence (daily vs every 2 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Merge Num sells 1 one-off in-app purchase and Sudoku Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Merge Num ships an update daily, Sudoku Studio every 2 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Merge Num | Sudoku Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-studio/id6740774860/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 17 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kyung Hyun Park](https://appshunter.io/developer/1303604119) | [Lian Gao](https://appshunter.io/developer/1219991035) |

## What reviewers say

### Merge Num

[App page](https://appshunter.io/ios/app/merge-num/id6737688928)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### Sudoku Studio

[App page](https://appshunter.io/ios/app/sudoku-studio/id6740774860)

This app offers a smooth and powerful Sudoku experience for all skill levels. It includes a variety of handcrafted puzzles, a solver, and the ability to import puzzles from paper using your camera.

**Highlights:** 300 handcrafted puzzles, Classic gameplay mode, Built-in Sudoku Solver, Camera Scan to import puzzles, Manually create puzzles, Share and create puzzles from URL, Assist mode and conflict highlighting

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | one-time |


## Frequently asked questions

### Is Merge Num free?

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

### Is Sudoku Studio free?

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

### Do Merge Num or Sudoku Studio have ads?

Merge Num shows ads; Sudoku Studio does not.

### Which is updated more often, Merge Num or Sudoku Studio?

Merge Num ships an update daily, and Sudoku Studio every 2 weeks. Most recently, Merge Num was updated on October 25, 2026 and Sudoku Studio on October 21, 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.*