# MP3Gain vs Volume Booster・Bass & EQ

The clearest difference is ads: MP3Gain at none against Volume Booster・Bass & EQ's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. MP3Gain sells 3 in-app purchases, starting at $1.99 per month and Volume Booster・Bass & EQ sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | MP3Gain | Volume Booster・Bass & EQ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 97 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [SEASOFT LTD.](https://appshunter.io/developer/456906339) | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) |

## What reviewers say

### MP3Gain

[App page](https://appshunter.io/ios/app/mp3gain-audio-normalization/id697885500)

This app normalizes the volume of your audio files, ensuring consistent loudness across songs, podcasts, and uploads. It offers multiple analysis modes and presets for easy use, with batch processing for multiple files. Listen to comparisons before exporting to maintain audio quality and metadata.

**Highlights:** Volume normalization, Multiple analysis modes (Peak, RMS, EBU R128), Built-in and custom presets, Batch processing, Listen before export, Preserves metadata and album art, Supports MP3, FLAC, M4A, WAV, AIFF, OGG

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MP3Gain Premium Monthly Plan | $1.99 | per month |
| MP3Gain Pro(Yearly) | $9.99 | per year |
| MP3Gain Pro (Lifetime) | $19.99 | one-time |


### Volume Booster・Bass & EQ

[App page](https://appshunter.io/ios/app/volume-boosterbass-and-eq/id6803531992)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Monthly | $14.99 | per month |
| Lifetime Pro | $29.99 | one-time |


## Frequently asked questions

### Is MP3Gain free?

MP3Gain is free to download, with in-app purchases available.

### Is Volume Booster・Bass & EQ free?

Volume Booster・Bass & EQ is free to download, with in-app purchases available.

### Do MP3Gain or Volume Booster・Bass & EQ have ads?

Volume Booster・Bass & EQ shows ads; MP3Gain does not.

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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.*