# Entonal Tuner vs Otoo

The clearest difference is price: Entonal Tuner at Free against Otoo's $6.99. Entonal Tuner also leads on update cadence (every 3 days vs every 6 days) and iOS requirement (12.0 vs 15.6). Otoo's advantage is rating (5.0 vs 4.3) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Entonal Tuner is free to download; Otoo costs $6.99 up front. Entonal Tuner sells 1 one-off in-app purchase. Otoo asks for nothing beyond the download.

Otoo holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 14 and 30 respectively. Written reviews point the same way: 86% of Entonal Tuner's written reviews are positive against 100% of Otoo's.

Entonal Tuner ships an update every 3 days, Otoo every 6 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Entonal Tuner | Otoo |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [4.3 (14 ratings)](https://appshunter.io/ios/app/entonal-tuner/id1344007171/reviews) | **[5.0 (30 ratings)](https://appshunter.io/ios/app/otoo/id6759285903/reviews)** |
| Number of ratings | 14 | **30** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 17 MB | 64 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Node Audio](https://appshunter.io/developer/1344007170) | [BeepStreet](https://appshunter.io/developer/321412321) |

## What reviewers say

### Entonal Tuner

[App page](https://appshunter.io/ios/app/entonal-tuner/id1344007171)

This app allows you to tune instruments to any imaginable scale, from perfect harmony to extreme dissonance. It accurately recreates global traditional music and can also function as a standard instrument tuner. Explore scales by playing their notes before tuning your instrument.

**Highlights:** Tune to any scale, Explore scales by playing notes, Adjust root note frequency, Recreate traditional music, Standard instrument tuner function

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $3.99 | one-time |


### Otoo

[App page](https://appshunter.io/ios/app/otoo/id6759285903)

This music creation app offers a unique free-form sequencer for building beats and melodies. It supports built-in sounds, sampling, and AUv3 instruments, with live performance effects and song arrangement tools.

**Highlights:** Free-form step sequencer, Single-screen workflow, Built-in sounds and sampler, AUv3 instrument support, Performance Mode effects, Export WAV, MP3, and MIDI

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Entonal Tuner free?

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

### Is Otoo free?

Otoo costs $6.99, with no in-app purchases.

### Which has better reviews, Entonal Tuner or Otoo?

Otoo is rated higher. Entonal Tuner averages 4.3 out of 5 from 14 ratings, while Otoo averages 5.0 from 30 ratings.

### Do Entonal Tuner or Otoo have ads?

Neither Entonal Tuner nor Otoo shows ads.

### Which is updated more often, Entonal Tuner or Otoo?

Entonal Tuner ships an update every 3 days, and Otoo every 6 days. Most recently, Entonal Tuner was updated on October 24, 2026 and Otoo on October 28, 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.*