MP3Gain screenshots (3)
Description MP3Gain
A Persistent Audio Problem, Finally Solved on Mobile
Inconsistent volume levels between different MP3 files have been a long-standing issue for digital music listeners, often forcing manual adjustments during playback. MP3Gain directly addresses this by providing a tool to analyze and permanently normalize the loudness of your entire music library, ensuring a seamless listening experience without sudden jumps in volume.
Core Functionality and Technical Operation
This application performs a technical process known as audio normalization, specifically implementing the Replay Gain algorithm. It scans the audio data within your MP3 files to calculate their perceived loudness. The primary function is to apply a permanent gain adjustment to each file, bringing all tracks to a consistent target volume level. This process is non-destructive to audio quality, as it adjusts the volume by modifying the MP3 data directly without decoding and re-encoding the file, which prevents the introduction of generation loss.
Key Operational Advantages
The utility is defined by its precision and user control. The interface is built around a clear target volume level setting, typically measured in decibels, allowing for fine-tuned normalization. Batch processing is a central feature, enabling users to normalize entire albums or folders of music simultaneously. The analysis provides detailed readouts for each file, showing the original volume and the calculated gain change. This granular control makes it particularly effective for creating uniform playlists from music sourced from different albums or eras, where mastering levels can vary dramatically.
- Batch Audio Normalization
- Non-Destructive Audio Processing
- Target Volume Customization
- Detailed Per-File Analysis
We suggest trying MP3Gain if you maintain a local library of MP3 files and are frustrated by inconsistent playback volume.
Internet required. IAP available.
Information
| Version | 1.3 |
| Developer | Keerby |
| Requirements | Android Android + 2.3, 2.3.1, 2.3.2+ |
| Updated | 17.03.2026 |
| Size | 1.64 MB |
| Package | com.keerby.mp3gain |
| Signature | 65a3afc73a35178097976d33de1962b1 |
| Architecture | universal |