# Samurai’s Dozen vs Bacchus Karma

The clearest difference is in-app purchases: Samurai’s Dozen at none against Bacchus Karma's 2. Samurai’s Dozen also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). Bacchus Karma's advantage is update cadence (every 5 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Bacchus Karma sells 2 one-off in-app purchases. Samurai’s Dozen asks for nothing beyond the download.

Samurai’s Dozen ships an update every 5 months, Bacchus Karma every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Samurai’s Dozen | Bacchus Karma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/samurais-dozen/id6443761303/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 10 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Igor Fedorov](https://appshunter.io/developer/1520158242) | [Makoto Fukuoka](https://appshunter.io/developer/1817908735) |

## What reviewers say

### 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


### Bacchus Karma

[App page](https://appshunter.io/ios/app/bacchus-karma/id6761338604)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 応援コーヒー | $0.49 | one-time |
| 広告なし | $0.49 | one-time |


## Frequently asked questions

### Is Samurai’s Dozen free?

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

### Is Bacchus Karma free?

Bacchus Karma is free to download, with in-app purchases available.

### Do Samurai’s Dozen or Bacchus Karma have ads?

Bacchus Karma shows ads; Samurai’s Dozen does not.

### Which is updated more often, Samurai’s Dozen or Bacchus Karma?

Samurai’s Dozen ships an update every 5 months, and Bacchus Karma every 5 weeks. Most recently, Samurai’s Dozen was updated on November 3, 2026 and Bacchus Karma on November 5, 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.*