# Smack vs Sudoku51

The clearest difference is ads: Sudoku51 at none against Smack's shown. Sudoku51 also leads on update cadence (every 14 months vs every 39 months). Smack's advantage is iOS requirement (15.6 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smack ships an update every 39 months, Sudoku51 every 14 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Smack | Sudoku51 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smack-a-mate/id376993621/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 39 months | **Every 14 months** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 9 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neil Wilkinson](https://appshunter.io/developer/356167682) | [Herbert Caller](https://appshunter.io/developer/1352839830) |

## What reviewers say

### Smack

[App page](https://appshunter.io/ios/app/smack-a-mate/id376993621)

Banish unwanted faces from your screen by "whacking" them in this fun game. Customize the targets with images of friends, family, or colleagues for a personalized stress-relief experience. Compete with friends on Game Center leaderboards for hours of entertainment.

**Highlights:** Customizable targets with personal photos, Whack-a-mole style gameplay, Stress relief and entertainment, Game Center leaderboards, Hours of fun

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku51

[App page](https://appshunter.io/ios/app/sudoku51/id1450760182)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smack free?

Smack is free to download, with no in-app purchases.

### Is Sudoku51 free?

Sudoku51 is free to download, with no in-app purchases.

### Do Smack or Sudoku51 have ads?

Smack shows ads; Sudoku51 does not.

### Which is updated more often, Smack or Sudoku51?

Smack ships an update every 39 months, and Sudoku51 every 14 months. Most recently, Smack was updated on October 29, 2026 and Sudoku51 on October 29, 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.*