# 酷木吉他 vs Koto Sim

The clearest difference is ads: 酷木吉他 at none against Koto Sim's shown. 酷木吉他 also leads on iOS requirement (8.0 vs 12.0). Koto Sim's advantage is ratings volume (4 vs 1). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. 酷木吉他 sells 10 one-off in-app purchases and Koto Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 酷木吉他 against 5.0 for Koto Sim. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

酷木吉他 ships an update every 5 weeks, Koto Sim every 4 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 酷木吉他 | Koto Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id509394590/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/koto-sim/id6740201723/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 43.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 135 MB | 125 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEET Studio CO.,LTD.](https://appshunter.io/developer/346749745) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### 酷木吉他

[App page](https://appshunter.io/ios/app/id509394590)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60约豆 | $0.99 | one-time |
| Unlock Classic Songs | $3.99 | one-time |
| Unlock the Category of Classical Guitar | $3.99 | one-time |
| Unlock the Category of Love Songs | $3.99 | one-time |
| Unlock the Category of English Songs | $3.99 | one-time |
| Unlock the Category of Rock | $3.99 | one-time |
| Unlock the Category of Encouragement | $3.99 | one-time |
| Unlock the Category of Band Songs | $9.99 | one-time |
| 一个月会员 | $12.99 | one-time |
| Unlock All | $29.99 | one-time |


### Koto Sim

[App page](https://appshunter.io/ios/app/koto-sim/id6740201723)

Experience the authentic sound and feel of Japan's national string instrument. This app offers realistic koto tones, customizable interfaces, and multiple play modes for musicians and enthusiasts. Record and share your creations within an immersive simulation.

**Highlights:** Authentic koto sounds, Customizable interface and tuning, Three dynamic play modes, Built-in recorder, Screen recording for sharing, Immersive simulation environment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $8.99 | one-time |


## Frequently asked questions

### Is 酷木吉他 free?

酷木吉他 is free to download, with in-app purchases available.

### Is Koto Sim free?

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

### Which has better reviews, 酷木吉他 or Koto Sim?

酷木吉他 and Koto Sim are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do 酷木吉他 or Koto Sim have ads?

Koto Sim shows ads; 酷木吉他 does not.

### Which is updated more often, 酷木吉他 or Koto Sim?

酷木吉他 ships an update every 5 weeks, and Koto Sim every 4 weeks. Most recently, 酷木吉他 was updated on October 23, 2026 and Koto Sim on October 24, 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.*