# しんけん魁！！ vs PROTOCOL

The clearest difference is ads: しんけん魁！！ at none against PROTOCOL's shown. しんけん魁！！ also leads on iOS requirement (13.0 vs 15.0). PROTOCOL's advantage is update cadence (every 3 days vs every 6 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. しんけん魁！！ sells 10 one-off in-app purchases and PROTOCOL sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

しんけん魁！！ ships an update every 6 weeks, PROTOCOL every 3 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | しんけん魁！！ | PROTOCOL |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 207 MB | 259 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [studio PROSPECT, Inc.](https://appshunter.io/developer/1481291420) | [SungGwon Han](https://appshunter.io/developer/1117887913) |

## What reviewers say

### しんけん魁！！

[App page](https://appshunter.io/ios/app/id1481291421)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四つ葉のネックレス（紫） | $1.99 | one-time |
| 四つ葉の指輪（紫） | $1.99 | one-time |
| 四つ葉のミサンガ（紫） | $1.99 | one-time |
| 研ぎ師を雇う | $3.99 | one-time |
| 刀掛台の追加 | $3.99 | one-time |
| 五連鍛刀（初回限定） | $6.99 | one-time |
| 五連鍛刀 | $12.99 | one-time |
| 特級鍛刀（三振り） | $13.99 | one-time |
| 三十日社 | $13.99 | one-time |
| 特級鍛刀（五振り） | $22.99 | one-time |


### PROTOCOL

[App page](https://appshunter.io/ios/app/protocol-zero-rift/id6740158945)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beginner Package 1 | $0.99 | one-time |
| Sale Package 3 | $1.99 | one-time |
| Sale Package 1 | $2.99 | one-time |
| Sale Package 2 | $4.99 | one-time |
| Beginner Package 2 | $4.99 | one-time |
| Remove Ad | $5.99 | one-time |
| Daily Special Mission Ticket | $7.99 | one-time |
| Mission Energy Booster (30 Days) | $9.99 | one-time |
| Stage Pass | $9.99 | one-time |
| Beginner Package 3 | $14.99 | one-time |


## Frequently asked questions

### Is しんけん魁！！ free?

しんけん魁！！ is free to download, with in-app purchases available.

### Is PROTOCOL free?

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

### Do しんけん魁！！ or PROTOCOL have ads?

PROTOCOL shows ads; しんけん魁！！ does not.

### Which is updated more often, しんけん魁！！ or PROTOCOL?

しんけん魁！！ ships an update every 6 weeks, and PROTOCOL every 3 days. Most recently, しんけん魁！！ was updated on October 29, 2026 and PROTOCOL on October 30, 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.*