50 Hz
This band can affect deep bass and low-end weight.
Free iPhone Equalizer
A free equalizer for your iPhone music library
MPX is an iPhone and iPad music player with a free 5-band equalizer for supported music played inside the app.
The Free version has no ads and includes built-in EQ presets. MPX is an iPhone equalizer app for downloaded and accessible music, with Pro upgrades for listeners who want more control.
Direct Answer
Is there a free equalizer for iPhone?
Yes. MPX includes a free 5-band equalizer for supported downloaded and accessible music played inside the app. It has no ads and does not require an account.
MPX is not a system-wide equalizer and does not process audio from Spotify, YouTube, or unrelated apps.
- Free iPhone equalizer for supported music inside MPX
- iPhone equalizer without ads
- Designed for downloaded music on iPhone and iPad
Free 5-Band EQ
Start with a free 5-band EQ
MPX Free starts with five commonly used EQ points, a ±6 dB adjustment range, built-in EQ presets, and no ads. This equalizer for downloaded music is meant to be easy to understand while still giving useful control over tone inside the app.
200 Hz
This band is commonly associated with warmth and body.
800 Hz
This band can affect lower midrange presence.
3 kHz
This band is commonly associated with vocal and instrument clarity.
12 kHz
This band can affect brightness and air.
Free Versus Pro
Choose the level of control you need
MPX Free covers the basics with a 5-band equalizer and built-in EQ presets. MPX Pro adds a 10-band interface, a landscape Parametric view for the same underlying EQ, a wider adjustment range, and custom presets you can create, save, and name.
| Feature | Free | Pro |
|---|---|---|
| 5-band EQ | Included | Included |
| Range | ±6 dB | ±12 dB |
| Built-in EQ presets | Included | Included |
| 10-band EQ | No | Included |
| Parametric EQ | No | Included |
| Named custom EQ presets | No | Included |
| Bass Boost | No | Included |
| Volume Boost | No | Included |
| Ads | No ads | No ads |
Pro 10-Band EQ
More precision with the Pro 10-band EQ
MPX Pro expands the familiar slider interface to 10 bands from 20 Hz through 20 kHz with a wider ±12 dB range. It keeps everyday adjustments approachable while giving you more detailed control across the full audible spectrum.
Parametric EQ
Fine-tune frequency, gain, and bandwidth
Parametric EQ controls the same underlying EQ as the 10-band view. It keeps familiar slider control available for everyday listening, then adds direct frequency, gain, and Q or bandwidth adjustment when you want more precision over where each band sits and how broadly it affects the sound.
For listeners new to Parametric EQ for iPhone, the simplest way to think about it is precise control over where an adjustment happens, how strong it is, and how broadly it spreads around that frequency.
Presets
Use built-in presets or create your own
Free includes predefined built-in EQ presets. Pro allows you to create, save, and name custom EQ presets.
Free presets
Built-in EQ presets help you start quickly without having to create settings manually, and the free 5-band EQ can still shape bass inside MPX.
Pro presets
Named custom EQ presets make it easier to keep separate settings for different headphones, speakers, or listening habits, with dedicated Bass Boost and Volume Boost available as Pro controls.
Listening Use Cases
Tune MPX for different listening situations
Equalization does not promise perfect results, but it can help you adjust MPX for different tracks, devices, and preferences.
Add warmth
A small boost in the lower ranges can add warmth to thin recordings.
Reduce excessive bass
Lowering the deepest bands can help if a mix feels overly heavy.
Improve vocal presence
Midrange adjustments can make vocals or lead instruments feel more forward.
Adjust brightness
Higher bands can help tame harshness or add more sparkle, depending on the track.
Match different devices
Separate presets can help you move between headphones and speakers more easily.
Supported Music and Limitations
What music can MPX equalize?
MPX can equalize supported downloaded tracks accessible to the app, imported files and folders, files accessed through Apple’s Files app, including providers such as Google Drive and Dropbox, and supported tracks downloaded from Jellyfin, Navidrome, Airsonic, and other supported Subsonic-compatible servers.
MPX does not stream directly from personal music servers. Tracks or albums must be downloaded into MPX before playback. DRM-protected or streaming-only tracks may not be accessible. MPX equalizes music played inside MPX and does not modify the original audio files.
- Supported downloaded tracks accessible to MPX
- Imported files and folders
- Files accessed through Apple’s Files app
- Downloaded tracks from Jellyfin and Subsonic-compatible servers
FAQ
Common questions about the MPX equalizer
Is there a free equalizer for iPhone?
Yes. MPX includes a free 5-band equalizer for supported music played inside the app.
Does MPX have ads?
No. The Free version has no ads.
Can MPX equalize Spotify or YouTube?
No. MPX applies equalization to music played inside MPX, not audio from unrelated apps.
Does MPX work with downloaded music?
Yes. MPX is designed for downloaded and accessible music, including imported files and supported downloaded tracks available to the app.
What is the difference between the 5-band and 10-band EQ?
The 5-band EQ gives broader control with fewer points. The Pro 10-band EQ adds more frequencies and a wider ±12 dB range for finer tonal changes.
What is a Parametric EQ?
Parametric EQ lets you adjust frequency, gain, and bandwidth or Q. In MPX, it controls the same underlying EQ as the 10-band view.
Can I save custom EQ presets?
Yes, with Pro. Pro supports named custom EQ presets you can create, save, and name.
Does equalization modify my music files?
No. Equalization applies during playback in MPX and does not modify the original audio files.
Download MPX
Give your downloaded music more control
Download MPX and start with the free 5-band EQ. Upgrade when you want the 10-band EQ, Parametric EQ, and named custom presets.