# Memory Master plus vs Rival Chess

The clearest difference is in-app purchases: Memory Master plus at none against Rival Chess's 2. Memory Master plus also leads on ratings volume (41 vs 4) and update cadence (every 2 days vs every 6 days). Rival Chess's advantage is review sentiment (95% vs 83%). On price, rating, ads and device support there is nothing between them.

Both are free to download. Rival Chess sells 2 one-off in-app purchases. 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 Rival Chess. 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 95% of Rival Chess's.

Memory Master plus ships an update every 2 days, Rival Chess every 6 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Memory Master plus | Rival Chess |
| --- | --- | --- |
| 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/rival-chess-be-the-champion/id6762065554/reviews)** |
| Number of ratings | **41** | 4 |
| Positive reviews | 83.3% of reviews | **94.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 227 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [北京杰诚创业科技有限公司](https://appshunter.io/developer/1185831423) | [Rafael Leite](https://appshunter.io/developer/606207054) |

## 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


### Rival Chess

[App page](https://appshunter.io/ios/app/rival-chess-be-the-champion/id6762065554)

Experience an arcade-style chess journey, climbing through championships by defeating uniquely crafted AI rivals. Turn your mistakes into personalized training drills to improve your game and unlock mentors.

**Highlights:** Play against rating-matched AI rivals, Climb through 8 distinct championships, Personalized 'Survival Drills' from your mistakes, Unlockable coach mentors, Full game analysis, Customizable boards and pieces

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rival Chess — Lifetime | $7.99 | one-time |
| Rival Chess — Early Bird | $29.99 | one-time |


## Frequently asked questions

### Is Memory Master plus free?

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

### Is Rival Chess free?

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

### Which has better reviews, Memory Master plus or Rival Chess?

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

### Do Memory Master plus or Rival Chess have ads?

Neither Memory Master plus nor Rival Chess shows ads.

### Which is updated more often, Memory Master plus or Rival Chess?

Memory Master plus ships an update every 2 days, and Rival Chess every 6 days. Most recently, Memory Master plus was updated on October 21, 2026 and Rival Chess on October 25, 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.*