# Contrapose vs ptune

The clearest difference is iOS requirement: Contrapose at 15.1 against ptune's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Contrapose | ptune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ptune/id6765674648/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | — | Free |
| Size | 27 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Jones](https://appshunter.io/developer/1793476564) | [BE MUHENDISLIK TICARET LIMITED SIRKETI](https://appshunter.io/developer/1863400328) |

## What reviewers say

### Contrapose

[App page](https://appshunter.io/ios/app/contrapose/id6753694877)

**Features:** macOS Compatibility

**In-app purchases:** none


### ptune

[App page](https://appshunter.io/ios/app/ptune/id6765674648)

This app offers a fast and accurate polyphonic tuner for guitarists, allowing you to tune all strings simultaneously with a single strum. It also includes a chromatic tuner, a built-in metronome, and custom tuning profiles for a comprehensive practice experience.

**Highlights:** Polyphonic tuning, Chromatic tuner, Built-in metronome, Custom tuning profiles, Offline functionality, Dark interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Contrapose free?

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

### Is ptune free?

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

### Do Contrapose or ptune have ads?

Neither Contrapose nor ptune shows ads.

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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.*