# Audio Mastering vs RiffLab

The clearest difference is in-app purchases: RiffLab at none against Audio Mastering's 6. Audio Mastering's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Audio Mastering sells 6 in-app purchases, starting at $9.99 per 7 days. RiffLab asks for nothing beyond the download.

Audio Mastering ships an update fortnightly, RiffLab every 3 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Audio Mastering | RiffLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (137 ratings)](https://appshunter.io/ios/app/audio-mastering-soundboost/id6745907940/reviews)** | — |
| Number of ratings | **137** | — |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 19 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DIKTATORIAL Inc.](https://appshunter.io/developer/1814451861) | [JSL Studio LLC](https://appshunter.io/developer/1853445243) |

## What reviewers say

### Audio Mastering

[App page](https://appshunter.io/ios/app/audio-mastering-soundboost/id6745907940)

Instantly transform your music into professional, radio-ready masters using advanced AI. This tool analyzes your tracks and allows you to communicate desired sound adjustments through text prompts, offering unlimited revisions and a variety of professional audio effects.

**Highlights:** AI-powered music mastering, Text-to-mastering prompts, Unlimited revisions, Reference track mastering, Advanced EQ and compression, Loudness optimization, Export in multiple formats

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Mastering Weekly | $9.99 | per 7 days |
| Unlimited Plus Weekly | $14.99 | per 7 days |
| Unlimited Mastering Monthly | $17.99 | per month |
| Unlimited Plus Monthly | $24.99 | per month |
| Unlimited Mastering Yearly | $49.99 | per year |
| Unlimited Plus Annual | $71.00 | per year |


### RiffLab

[App page](https://appshunter.io/ios/app/rifflab/id6761512062)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Mastering free?

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

### Is RiffLab free?

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

### Do Audio Mastering or RiffLab have ads?

RiffLab shows ads; Audio Mastering does not.

### Which is updated more often, Audio Mastering or RiffLab?

Audio Mastering ships an update fortnightly, and RiffLab every 3 weeks. Most recently, Audio Mastering was updated on October 17, 2026 and RiffLab on October 11, 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.*