Mp3ly: M4A to MP3
Convert Audio to MP3
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Need an MP3 but your recording is an M4A? Mp3ly converts M4A, WAV, CAF, AIFF and AAC audio files to MP3 right on your iPhone — for voice memos, recordings and audio files that have to be MP3 for a website, a form, a car stereo or an older player.
Choose an audio file in the Files app, check its length and estimated MP3 size, and tap Convert to MP3. Listen to the result in the app, then share it or save it to Files.
• COMMON FORMATS IN — M4A (including voice memos saved to Files), WAV, CAF, AIFF and AAC.
• A REAL MP3 OUT — encoded with the LAME MP3 encoder at 128 kbps. Stereo stays stereo, mono stays mono, and audio above 48 kHz is resampled to 48 kHz.
• LONG RECORDINGS — files up to 3 hours are converted in small chunks, so long lectures and meetings don't run out of memory. A progress bar shows how far along it is, and you can cancel at any time.
• KNOW BEFORE YOU CONVERT — see the file name, duration and estimated MP3 size first.
• PLAY IT BACK — preview the finished MP3 with a play button and timer before you export it.
• SHARE OR SAVE — send the MP3 by AirDrop, Mail or Messages, or save it to Files.
Honest scope: one file at a time, at a fixed 128 kbps. Files are picked in the Files app (not from the Music library), and song titles, artist names and cover art are not copied into the MP3.
Conversion happens entirely on your iPhone. Nothing is uploaded and no account is needed.
Converting and previewing are free. Sharing or saving the MP3 requires a one-time $4.99 unlock, which then works for unlimited files. No subscription, no ads.
Questions: overlapmarr@gmail.com
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Clearer App Store description. Improved translations and small fixes.
The developer, Jhomar Maravillas, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Jhomar Maravillas
- Size
- 762.9 KB
- Category
- Music
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 5 more
- English, French, German, Japanese, Portuguese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlock Unlimited $4.99
- Copyright
- © 2026 Mp3ly