# Memory Master plus vs Sudoku Zero

The clearest difference is in-app purchases: Memory Master plus at none against Sudoku Zero's 1. Memory Master plus also leads on update cadence (every 2 days vs every 3 weeks) and ratings volume (41 vs 4). Sudoku Zero's advantage is review sentiment (100% vs 83%). On price, rating, ads and device support there is nothing between them.

Both are free to download. Sudoku Zero sells 1 one-off in-app purchase. Memory Master plus asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Memory Master plus against 4.5 for Sudoku Zero. That said, the two scores are not equally well evidenced: Memory Master plus has 41 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 83% of Memory Master plus's written reviews are positive against 100% of Sudoku Zero's.

Memory Master plus ships an update every 2 days, Sudoku Zero every 3 weeks. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Memory Master plus | Sudoku Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (41 ratings)](https://appshunter.io/ios/app/memory-master-plus/id1185831424/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/sudoku-zero-number-merge/id1584827248/reviews)** |
| Number of ratings | **41** | 4 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 14 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [北京杰诚创业科技有限公司](https://appshunter.io/developer/1185831423) | [banuchander janarthn](https://appshunter.io/developer/650418037) |

## What reviewers say

### Memory Master plus

[App page](https://appshunter.io/ios/app/memory-master-plus/id1185831424)

Assess your memory with a game inspired by professional tests. Remember numbers in grids and replace them in the correct order to progress through increasingly challenging levels. Compete with friends and discover your true memory potential.

**Highlights:** Memory assessment inspired by WIS, Number recall and replacement challenges, Endless, progressively difficult levels, Instant fun with no registration, Compete with friends to show IQ

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku Zero

[App page](https://appshunter.io/ios/app/sudoku-zero-number-merge/id1584827248)

This puzzle game challenges players to clear a grid by merging numbers. It features unique mechanics where matching numbers disappear, and different numbers combine to create new values. Strategic thinking is key to avoid getting blocked and solve increasingly difficult levels.

**Highlights:** Merge same numbers to eliminate, Merge different numbers to create new values, Blocked cells create strategic challenges, No timers, play at your own pace, Improves thinking and planning skills, Short levels for quick play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisement From App | $1.99 | one-time |


## Frequently asked questions

### Is Memory Master plus free?

Memory Master plus is free to download, with no in-app purchases.

### Is Sudoku Zero free?

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

### Which has better reviews, Memory Master plus or Sudoku Zero?

Sudoku Zero is rated higher. Memory Master plus averages 4.4 out of 5 from 41 ratings, while Sudoku Zero averages 4.5 from 4 ratings.

### Do Memory Master plus or Sudoku Zero have ads?

Neither Memory Master plus nor Sudoku Zero shows ads.

### Which is updated more often, Memory Master plus or Sudoku Zero?

Memory Master plus ships an update every 2 days, and Sudoku Zero every 3 weeks. Most recently, Memory Master plus was updated on October 21, 2026 and Sudoku Zero on October 15, 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.*