# MP3Gain vs Jerry's Simple MP3

The clearest difference is in-app purchases: Jerry's Simple MP3 at none against MP3Gain's 6. MP3Gain's advantage is iOS requirement (16.6 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MP3Gain sells 6 in-app purchases, starting at $1.99 per month. Jerry's Simple MP3 asks for nothing beyond the download.

MP3Gain ships an update weekly, Jerry's Simple MP3 every 2 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MP3Gain | Jerry's Simple MP3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 9 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [SEASOFT LTD.](https://appshunter.io/developer/456906339) | [KarpiLabs LLC](https://appshunter.io/developer/6794768247) |

## 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 |


### Jerry's Simple MP3

[App page](https://appshunter.io/ios/app/jerrys-simple-mp3/id6797705211)

**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 Jerry's Simple MP3 free?

Jerry's Simple MP3 is free to download, with no in-app purchases.

### Do MP3Gain or Jerry's Simple MP3 have ads?

Neither MP3Gain nor Jerry's Simple MP3 shows ads.

### Which is updated more often, MP3Gain or Jerry's Simple MP3?

MP3Gain ships an update weekly, and Jerry's Simple MP3 every 2 weeks. Most recently, MP3Gain was updated on October 15, 2026 and Jerry's Simple MP3 on October 9, 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.*