# Audio Mastering vs iAudio

The clearest difference is review sentiment: iAudio at 100% against Audio Mastering's 23%. iAudio also leads on rating (5.0 vs 4.6). Audio Mastering's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (149 vs 10). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Audio Mastering sells 6 in-app purchases, starting at $9.99 per 7 days and iAudio sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iAudio holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Audio Mastering has 149 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 23% of Audio Mastering's written reviews are positive against 100% of iAudio's.

Audio Mastering ships an update fortnightly, iAudio every 2 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Audio Mastering | iAudio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (149 ratings)](https://appshunter.io/ios/app/audio-mastering-soundboost/id6745907940/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/iaudio-ai-engineer/id6760255595/reviews)** |
| Number of ratings | **149** | 10 |
| Positive reviews | 23.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 54 MB | 122 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIKTATORIAL Inc.](https://appshunter.io/developer/1814451861) | [Kristen Granados](https://appshunter.io/developer/1879755694) |

## 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 |


### iAudio

[App page](https://appshunter.io/ios/app/iaudio-ai-engineer/id6760255595)

Instantly transform your audio with AI-powered mixing and mastering. Upload your tracks to receive professional-grade results in minutes, with detailed analysis and actionable feedback to perfect your sound.

**Highlights:** AI Multi-Stem Mixing, AI Mastering, AI Premix Analysis, Genre-tuned mixing engines, Adjustable loudness targets, Distribution-ready output

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Render Credit | $5.99 | one-time |
| 3 Render Credits | $14.99 | one-time |
| 5 Render Credits | $22.49 | one-time |
| 10 Render Credits | $42.49 | one-time |
| 25 Render Credits | $99.99 | one-time |


## Frequently asked questions

### Is Audio Mastering free?

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

### Is iAudio free?

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

### Which has better reviews, Audio Mastering or iAudio?

iAudio is rated higher. Audio Mastering averages 4.6 out of 5 from 149 ratings, while iAudio averages 5.0 from 10 ratings.

### Do Audio Mastering or iAudio have ads?

Neither Audio Mastering nor iAudio shows ads.

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

Audio Mastering ships an update fortnightly, and iAudio every 2 months. Most recently, Audio Mastering was updated on November 8, 2026 and iAudio on November 5, 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.*