# PiaTune vs APTuner

The clearest difference is rating: APTuner at 5.0 against PiaTune's 4.4. APTuner also leads on in-app purchases (none vs 1) and review sentiment (100% vs 78%). PiaTune's advantage is update cadence (every 10 days vs every 3 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. PiaTune sells 1 one-off in-app purchase. APTuner asks for nothing beyond the download.

APTuner holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 78% of PiaTune's written reviews are positive against 100% of APTuner's.

PiaTune ships an update every 10 days, APTuner every 3 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PiaTune | APTuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (11 ratings)](https://appshunter.io/ios/app/piatune/id1441771210/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/aptuner/id6449228938/reviews)** |
| Number of ratings | **11** | 6 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 26 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HAKKI BAYKA](https://appshunter.io/developer/1441771209) | [Joseph Broms](https://appshunter.io/developer/688111413) |

## What reviewers say

### PiaTune

[App page](https://appshunter.io/ios/app/piatune/id1441771210)

This app assists professional piano tuners and enthusiasts in achieving precise piano tunings. It offers a simple, fast, and reliable method for measuring inharmonicity and setting tuning parameters, with advanced features for voicing and beat measurement.

**Highlights:** Professional-grade piano tuning, Measures inharmonicity quickly, Customizable tuning parameters, Voicing and beat measurement tools, Precise to +/- 0.01 cents, Supports various piano types

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Paid Version | $99.99 | one-time |


### APTuner

[App page](https://appshunter.io/ios/app/aptuner/id6449228938)

This application provides highly accurate chromatic tuning for a wide range of instruments. It features a clear interface, customizable settings, and the ability to detect note deviations with precision.

**Highlights:** Automatic note and cent deviation detection, Accurate to 1/1000 semitone, High contrast, high visibility UI, Instrument presets, User selectable noise threshold, Settable A4 frequency, Historical temperaments

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

**In-app purchases:** none


## Frequently asked questions

### Is PiaTune free?

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

### Is APTuner free?

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

### Which has better reviews, PiaTune or APTuner?

APTuner is rated higher. PiaTune averages 4.4 out of 5 from 11 ratings, while APTuner averages 5.0 from 6 ratings.

### Do PiaTune or APTuner have ads?

Neither PiaTune nor APTuner shows ads.

### Which is updated more often, PiaTune or APTuner?

PiaTune ships an update every 10 days, and APTuner every 3 months. Most recently, PiaTune was updated on October 7, 2026 and APTuner on October 1, 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.*