# Koto Tuner vs Sanshin Tuner Basic

The clearest difference is price: Koto Tuner at Free against Sanshin Tuner Basic's $6.99. Koto Tuner also leads on ads (none vs shown) and review sentiment (20% vs 0%). On in-app purchases, monetization model and device support there is nothing between them.

Koto Tuner is free to download; Sanshin Tuner Basic costs $6.99 up front. Koto Tuner sells 1 one-off in-app purchase and Sanshin Tuner Basic sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Koto Tuner ships an update every 5 weeks, Sanshin Tuner Basic every 4 months. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Koto Tuner | Sanshin Tuner Basic |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/koto-tuner/id1295474780/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 49 MB | 15 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hsing-Fu Hsueh](https://appshunter.io/developer/1103119781) | [Pedro Daniel Macalupu Cumpen](https://appshunter.io/developer/492172409) |

## What reviewers say

### Koto Tuner

[App page](https://appshunter.io/ios/app/koto-tuner/id1295474780)

Easily tune your 13-string koto with a simple interface and noise filtering. Visual indicators show pitch accuracy for each string, guiding you to precise tuning. Supports multiple tuning modes and adjustable A4 frequency.

**Highlights:** Noise filtering for accurate tuning, Visual pitch indicators, Calibrate piano sound, A4 frequency adjustment, 18 tuning modes, Precision tuning scale

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Function&No Ad | $1.99 | one-time |


### Sanshin Tuner Basic

[App page](https://appshunter.io/ios/app/sanshin-tuner-basic/id1437345765)

This application provides precise and instant tuning for the sanshin with multiple tuning options. It features visual and audible indicators, displays exact frequencies, and offers a tuning fork as an in-app purchase. Optimized for speed and responsiveness, it's designed for all universal devices.

**Highlights:** Multiple sanshin tunings, Instant loading and fast tuning, Displays exact sound frequency (Hz), Visual and audible tuning indicators, Highly responsive interface, Universal app compatibility

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | Free | one-time |
| Tuning Fork | Free | one-time |


## Frequently asked questions

### Is Koto Tuner free?

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

### Is Sanshin Tuner Basic free?

Sanshin Tuner Basic costs $6.99, and also offers in-app purchases.

### Do Koto Tuner or Sanshin Tuner Basic have ads?

Sanshin Tuner Basic shows ads; Koto Tuner does not.

### Which is updated more often, Koto Tuner or Sanshin Tuner Basic?

Koto Tuner ships an update every 5 weeks, and Sanshin Tuner Basic every 4 months. Most recently, Koto Tuner was updated on September 30, 2026 and Sanshin Tuner Basic on October 9, 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.*