# PROTUNE vs Riff

The clearest difference is in-app purchases: Riff at none against PROTUNE's 3. Riff also leads on update cadence (every 2 weeks vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PROTUNE sells 3 in-app purchases, starting at $9.99 per month. Riff asks for nothing beyond the download.

PROTUNE ships an update every 4 weeks, Riff every 2 weeks. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PROTUNE | Riff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/protune/id6758762425/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 43 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dark Castle Group, LLC](https://appshunter.io/developer/1895681019) | [Andrew Wang](https://appshunter.io/developer/1729931492) |

## What reviewers say

### PROTUNE

[App page](https://appshunter.io/ios/app/protune/id6758762425)

This professional-grade tuner offers real-time pitch detection with studio-quality accuracy for guitarists and bassists. It features numerous tuning presets, reference tones, and customizable visual skins and meter styles for a personalized experience.

**Highlights:** Real-time pitch detection, Customizable A4 reference pitch, 14+ tuning presets, Reference tones with clean/dirty modes, Three visual skins, Three meter styles

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PROTUNE Pro | $9.99 | per month |
| PROTUNE Pro | $59.99 | per year |
| PROTUNE Pro Lifetime | $99.99 | one-time |


### Riff

[App page](https://appshunter.io/ios/app/riff-songwriting-studio/id6759188512)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PROTUNE free?

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

### Is Riff free?

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

### Do PROTUNE or Riff have ads?

Neither PROTUNE nor Riff shows ads.

### Which is updated more often, PROTUNE or Riff?

PROTUNE ships an update every 4 weeks, and Riff every 2 weeks. Most recently, PROTUNE was updated on October 2, 2026 and Riff on October 12, 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.*