# MP3Gain vs Volume Booster

The clearest difference is in-app purchases: Volume Booster at none against MP3Gain's 6. Volume Booster also leads on update cadence (every 3 days vs weekly). MP3Gain's advantage is ads (none vs shown) and device support (3 vs 1). On price, monetization model and iOS requirement there is nothing between them.

Both are free to download. MP3Gain sells 6 in-app purchases, starting at $1.99 per month. Volume Booster asks for nothing beyond the download.

MP3Gain ships an update weekly, Volume Booster every 3 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MP3Gain | Volume Booster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/volume-booster-hypervolume/id6748967645/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 39 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [SEASOFT LTD.](https://appshunter.io/developer/456906339) | [Dayo Akinkuowo](https://appshunter.io/developer/1789327802) |

## 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 (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MP3Gain Premium Monthly Plan | $1.99 | per month |
| MP3Gain Pro(Yearly) | $9.99 | per year |
| WMA Gain | $6.99 | one-time |
| MP3, M4A Gain | $6.99 | one-time |
| Gain all audio format | $9.99 | one-time |
| MP3Gain Pro (Lifetime) | $19.99 | one-time |


### Volume Booster

[App page](https://appshunter.io/ios/app/volume-booster-hypervolume/id6748967645)

Enhance the volume of your personal audio files without compromising sound quality. This app offers advanced audio processing tools to make quiet recordings, voice notes, and films genuinely louder and more listenable.

**Highlights:** Volume boost up to +15 dB, Ten-band equalizer with presets, Bass boost control, Seven reverb spaces, Background playback, Lock screen and Control Center controls, Sleep timer

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

**In-app purchases:** none


## Frequently asked questions

### Is MP3Gain free?

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

### Is Volume Booster free?

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

### Do MP3Gain or Volume Booster have ads?

Volume Booster shows ads; MP3Gain does not.

### Which is updated more often, MP3Gain or Volume Booster?

MP3Gain ships an update weekly, and Volume Booster every 3 days. Most recently, MP3Gain was updated on October 15, 2026 and Volume Booster on October 16, 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.*