# ギター 楽譜 JamJam vs Rokugen

The clearest difference is in-app purchases: ギター 楽譜 JamJam at none against Rokugen's 1. ギター 楽譜 JamJam also leads on iOS requirement (13.0 vs 26.0). Rokugen's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Rokugen sells 1 one-off in-app purchase. ギター 楽譜 JamJam asks for nothing beyond the download.

ギター 楽譜 JamJam ships an update every 2 months, Rokugen every 5 days. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ギター 楽譜 JamJam | Rokugen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 65 MB | 37 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kotani harumi](https://appshunter.io/developer/1751649806) | [Shinya Miyake](https://appshunter.io/developer/6789171963) |

## What reviewers say

### ギター 楽譜 JamJam

[App page](https://appshunter.io/ios/app/jamjam/id6763877947)

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

**In-app purchases:** none


### Rokugen

[App page](https://appshunter.io/ios/app/rokugen/id6789171961)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rokugen Pro | $11.99 | one-time |


## Frequently asked questions

### Is ギター 楽譜 JamJam free?

ギター 楽譜 JamJam is free to download, with no in-app purchases.

### Is Rokugen free?

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

### Do ギター 楽譜 JamJam or Rokugen have ads?

Neither ギター 楽譜 JamJam nor Rokugen shows ads.

### Which is updated more often, ギター 楽譜 JamJam or Rokugen?

ギター 楽譜 JamJam ships an update every 2 months, and Rokugen every 5 days. Most recently, ギター 楽譜 JamJam was updated on September 25, 2026 and Rokugen on September 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.*