# PriMemory™ vs Samurai’s Dozen

The clearest difference is price: Samurai’s Dozen at Free against PriMemory™'s $0.99. Samurai’s Dozen also leads on in-app purchases (none vs 6) and iOS requirement (15.0 vs 18.0). PriMemory™'s advantage is update cadence (every 3 weeks vs every 5 months). On ads and device support there is nothing between them.

Samurai’s Dozen is free to download; PriMemory™ costs $0.99 up front. PriMemory™ sells 6 one-off in-app purchases. Samurai’s Dozen asks for nothing beyond the download.

PriMemory™ ships an update every 3 weeks, Samurai’s Dozen every 5 months. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | PriMemory™ | Samurai’s Dozen |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/samurais-dozen/id6443761303/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 84 MB | 12 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TAPQUAD, INC](https://appshunter.io/developer/551904314) | [Igor Fedorov](https://appshunter.io/developer/1520158242) |

## What reviewers say

### PriMemory™

[App page](https://appshunter.io/ios/app/primemory/id1218557642)

This game challenges and trains your memory with sequences of colors and musical tones. Its AI adapts to your playstyle, offering unique challenges with each session. Improve your cognitive abilities and recall skills while enjoying engaging minimalist graphics and a unique soundtrack.

**Highlights:** Adaptive AI engine, Color and musical tone sequences, Progressive difficulty levels, Unique soundtrack, Minimalist graphics, Memory index tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| (3) PriMemory Retries | $0.99 | one-time |
| 620 Stars | $0.99 | one-time |
| (5) PriMemory Retries | $1.99 | one-time |
| 1230 Stars | $1.99 | one-time |
| (8) PriMemory Retries | $2.99 | one-time |
| 3230 Stars | $2.99 | one-time |


### Samurai’s Dozen

[App page](https://appshunter.io/ios/app/samurais-dozen/id6443761303)

A memory card game where you compete against your iPhone to test your memorization skills. Flip cards, match pairs, and score points before your device outdoes you. It's an engaging way to challenge your mind and sharpen your memory on the go.

**Highlights:** Memory card gameplay, Compete against iPhone, Sharpen memory skills, Fast-paced challenges, Pocket-sized entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PriMemory™ free?

PriMemory™ costs $0.99, and also offers in-app purchases.

### Is Samurai’s Dozen free?

Samurai’s Dozen is free to download, with no in-app purchases.

### Do PriMemory™ or Samurai’s Dozen have ads?

Neither PriMemory™ nor Samurai’s Dozen shows ads.

### Which is updated more often, PriMemory™ or Samurai’s Dozen?

PriMemory™ ships an update every 3 weeks, and Samurai’s Dozen every 5 months. Most recently, PriMemory™ was updated on October 13, 2026 and Samurai’s Dozen 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.*