# Entonal Tuner vs FrobulatorAU

The clearest difference is rating: FrobulatorAU at 5.0 against Entonal Tuner's 4.3. FrobulatorAU also leads on in-app purchases (none vs 1). Entonal Tuner's advantage is update cadence (every 3 days vs every 9 days) and iOS requirement (12.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Entonal Tuner sells 1 one-off in-app purchase. FrobulatorAU asks for nothing beyond the download.

FrobulatorAU holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 14 and 8 respectively.

Entonal Tuner ships an update every 3 days, FrobulatorAU every 9 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Entonal Tuner | FrobulatorAU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (14 ratings)](https://appshunter.io/ios/app/entonal-tuner/id1344007171/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/frobulatorau/id6760205581/reviews)** |
| Number of ratings | **14** | 8 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Node Audio](https://appshunter.io/developer/1344007170) | [Matthew Caldwell](https://appshunter.io/developer/993500585) |

## 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 |


### FrobulatorAU

[App page](https://appshunter.io/ios/app/frobulatorau/id6760205581)

This audio effect plugin transforms sounds with spectral delay, adding unique character to music projects. It's a free and open-source tool designed for use in various audio applications, offering extensive creative possibilities.

**Highlights:** Spectral delay effect, AUv3 plugin, Use in GarageBand, AUM, and other DAWs, Multiple instances per project, Free and open-source, No ads or in-app purchases

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Entonal Tuner free?

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

### Is FrobulatorAU free?

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

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

FrobulatorAU is rated higher. Entonal Tuner averages 4.3 out of 5 from 14 ratings, while FrobulatorAU averages 5.0 from 8 ratings.

### Do Entonal Tuner or FrobulatorAU have ads?

Neither Entonal Tuner nor FrobulatorAU shows ads.

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

Entonal Tuner ships an update every 3 days, and FrobulatorAU every 9 days. Most recently, Entonal Tuner was updated on November 2, 2026 and FrobulatorAU on October 31, 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.*