# Koto Sim — Koto Simulator

> Realistic koto simulator with authentic sounds and customizable play modes. (iPhone/iPad app by Alper Kahriman.)

- Source: https://appshunter.io/ios/app/koto-sim/id6740201723 (this page in markdown: same URL + `.md`)
- Developer: [Alper Kahriman](https://appshunter.io/developer/1054578352)
- Category: Music, Entertainment
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 125 MB
- Languages: American English
- Released: 2025-01-07
- Data updated: 2026-08-22
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/koto-sim/id6740201723/reviews.md

## What is Koto Sim?

Step into the serene world of the koto, Japan's national string instrument, celebrated for its delicate tones and timeless beauty.
Koto Sim brings the authentic sound and feel of this iconic instrument to your fingertips, offering a realistic and inspiring platform for musicians, learners, and music enthusiasts.

About the Koto
The koto is a traditional Japanese string instrument with a long, elegant body and movable bridges. Typically with 13 strings (though there are variations), it produces a bright, resonant sound that is both calming and expressive. Rooted in Japanese classical music, the koto has evolved into modern genres, creating a harmonious blend of tradition and innovation.

Why You’ll Love Koto Sim
Authentic Koto Sounds
Enjoy meticulously sampled koto tones, capturing the instrument’s bright, resonant, and expressive character. Perfect for traditional Japanese melodies or exploring modern compositions.

Customizable Interface
Adjust the key layout, bridge positions, and even tuning settings with advanced controls like microtone adjustments and transpose. Whether you’re performing classic koto pieces or crafting a new tuning style, Koto Sim adapts effortlessly to your creative flow.

Three Dynamic Play Modes

Free Play Mode: Play multiple strings to create rich, layered harmonies and flowing melodies.

Single Note Mode: Focus on individual strings — ideal for mastering traditional techniques and scales.

Soft Release Mode: Add a natural fade-out effect for smooth, authentic performances.

Record and Share Your Music
Capture your koto music effortlessly with the built-in recorder — or go one step further and record your entire screen performance to share with the world. Whether for progress tracking, social media, or artistic expression, sharing is seamless and intuitive.

Immersive Simulation Screen
Dive into a visually detailed, lifelike simulation environment that replicates the experience of playing a real koto. The authentic layout and animations make every note feel genuine.

What Makes Koto Sim Unique?
True-to-Life Sound: Every note replicates the elegant, resonant tones of a real koto, offering an authentic musical experience.

Cultural Significance: Immerse yourself in the heritage of Japanese classical music while exploring modern adaptations.

Elegant Design: A sleek, intuitive interface ensures a seamless experience for musicians of all levels.

Creative Freedom: From traditional koto melodies to experimental microtonal fusion, Koto Sim opens the door to limitless musical expression.

Download Koto Sim today and let the graceful tones of the koto inspire your music!

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Frequently asked questions about Koto Sim

### What is Koto Sim?

Koto Sim is a mobile application that simulates playing the koto, a traditional Japanese string instrument. It offers authentic sounds, customizable settings, and various play modes for users to explore and create music.

### What devices does Koto Sim support?

Koto Sim is available on iPhone, iPad, and iPod devices, providing a versatile platform for users across Apple's mobile ecosystem.

### Is Koto Sim suitable for beginners?

Yes, Koto Sim is designed for musicians, learners, and enthusiasts of all levels. Its intuitive interface and multiple play modes, including single note and free play, cater to both beginners and experienced players.

### Can I record and share my music with Koto Sim?

Absolutely. Koto Sim features a built-in recorder to capture your koto performances. You can also record your entire screen to share your music and progress with others.

### Does Koto Sim have ads?

Yes, Koto Sim contains advertisements, which are common for free applications that offer in-app purchases.

### What are the customization options in Koto Sim?

Koto Sim allows for extensive customization, including adjusting the key layout, bridge positions, and tuning settings. It also supports microtone adjustments and transposition for advanced creative control.

### How often is Koto Sim updated?

The latest version of Koto Sim is 1.1.3, and it was last updated on December 2, 2025. Updates typically bring improvements and new features to enhance the user experience.

### What is the age rating for Koto Sim?

Koto Sim has an age rating of 4+, making it suitable for a wide range of users, including children and adults interested in music and cultural instruments.

## Version history (last 5 releases)

### 1.1.3 — 2025-12-02

Some bugs fixed.

### 1.1.2 — 2025-11-07

- Microtone Settings
- Transpose Functions
- Simulation Screen
- Screen Recording Function

### 1.1.1 — 2025-04-21

- Microtone Settings
- Transpose Functions
- Simulation Screen
- Screen Recording Function

### 1.0.3 — 2025-02-01

- New Release: Experience the serene elegance of Japan's national instrument, the koto, on your mobile device.
- Authentic Sounds: Meticulously sampled koto tones, perfect for traditional and modern music.
- Play Modes: Free Play, Single Note, and Soft Release for versatile expression.
- Performance Tools: Record and share your music effortlessly with built-in features.

### 1.0.2 — 2025-01-10

- New Release: Experience the serene elegance of Japan's national instrument, the koto, on your mobile device.
- Authentic Sounds: Meticulously sampled koto tones, perfect for traditional and modern music.
- Play Modes: Free Play, Single Note, and Soft Release for versatile expression.
- Performance Tools: Record and share your music effortlessly with built-in features.

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All apps by Alper Kahriman: https://appshunter.io/developer/1054578352

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*