# Sanshin Tuner Basic vs otofree

The clearest difference is price: otofree at Free against Sanshin Tuner Basic's $6.99. otofree also leads on in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

otofree is free to download; Sanshin Tuner Basic costs $6.99 up front. Sanshin Tuner Basic sells 2 one-off in-app purchases. otofree asks for nothing beyond the download.

Sanshin Tuner Basic ships an update every 4 months, otofree every 2 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Sanshin Tuner Basic | otofree |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 4 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Daniel Macalupu Cumpen](https://appshunter.io/developer/492172409) | [AROW&DEPARTMENT K.K.](https://appshunter.io/developer/6778789860) |

## What reviewers say

### 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 |


### otofree

[App page](https://appshunter.io/ios/app/otofree/id6779222601)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sanshin Tuner Basic free?

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

### Is otofree free?

otofree is free to download, with no in-app purchases.

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

Sanshin Tuner Basic shows ads; otofree does not.

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

Sanshin Tuner Basic ships an update every 4 months, and otofree every 2 weeks. Most recently, Sanshin Tuner Basic was updated on October 9, 2026 and otofree on October 5, 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.*