Best M4 Converter Apps

246+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

The Audio Converter is the household name in m4 converter, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top M4 Converter Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Audio ConverterThe Audio ConverterFree4.6★ (13K)NoYesSep 2026
2M4A Converter, M4A to MP3M4A Converter, M4A to MP3Free3.2★ (13)YesNoJul 2026
3M4A to MP3 Converter ™M4A to MP3 Converter ™Free4.8★ (30)YesYesSep 2026
4Media Converter - video to mp3Media Converter - video to mp3Free4.7★ (24K)YesYesSep 2026
5Video Converter -MOV, MP4, M4VVideo Converter -MOV, MP4, M4VFreeNoNoMay 2026
6M4A to MP3 WAV ConverterM4A to MP3 WAV ConverterFree5.0★ (1)YesYesSep 2026
7Audio Converter: MP3 M4AAudio Converter: MP3 M4AFree4.3★ (66)YesYesSep 2026
8Audio Converter - m4a to mp3Audio Converter - m4a to mp3FreeNoYesAug 2026

Top Picks for M4 Converter

The Audio Converter#1

The Audio Converter by Float Tech, LLC

Convert to MP3, WAV, M4A, AAC
Editor's Choice
🔧 Utilities
4.6😐(13K ratings)
FreeIn-App Purchases
The Audio Converter screenshot 1
The Audio Converter screenshot 2
The Audio Converter screenshot 3
The Audio Converter screenshot 4
The Audio Converter screenshot 5

Easily transform audio and video files into various popular audio formats like MP3, WAV, and M4A. Supports dozens of input formats and offers quick, cloud-based or local conversions. Save, share, or listen to your converted files directly from the app.

What We Love

  • 🚀 Efficient file conversion
  • 👍 Easy to use
  • 🚀 Fast conversion speed
  • 👍 Works great for audio/video conversion
  • 👍 Useful for creators

Room to Improve

  • 🐛 Crashes/freezes on iOS 13
  • 💰 Subscription required for full functionality
  • 🔒 Privacy concerns with file uploads
  • 🤔 Unclear subscription model
  • 🤔 Limited free features
M4A Converter, M4A to MP3#2

M4A Converter, M4A to MP3 by Alberto Gonzalez

Convert M4A files
Strong Contender
🔧 Utilities
3.2(13 ratings)
FreeAds
M4A Converter, M4A to MP3 screenshot 1
M4A Converter, M4A to MP3 screenshot 2
M4A Converter, M4A to MP3 screenshot 3
M4A Converter, M4A to MP3 screenshot 4
M4A Converter, M4A to MP3 screenshot 5
M4A Converter, M4A to MP3 screenshot 6

Easily convert M4A audio files to MP3, WAV, AAC, and other formats. This app offers unlimited, fast, and free conversions directly on your device, preserving audio quality. It supports a wide range of formats and allows custom output settings.

M4A to MP3 Converter ™#3

M4A to MP3 Converter ™ by Andy Sutanto

Convert audio format.
Worth Considering
🔧 Utilities
4.8(30 ratings)
FreeAdsIn-App Purchases
M4A to MP3 Converter ™ screenshot 1
M4A to MP3 Converter ™ screenshot 2
M4A to MP3 Converter ™ screenshot 3

Easily convert M4A audio files to MP3 format for universal playback. Supports batch conversions, multiple audio sources including URLs, and keeps a history of your conversions.

More M4 Converter apps to explore

FAQ about M4 Converter

What are the best m4 converter apps for iPhone?
The Audio Converter tops our m4 converter apps ranking as of August 2026, with a 4.6-star average from 13K App Store ratings, and it's free to download.
Yes — 20 of the top m4 converter apps we rank are free to download, including The Audio Converter and M4A Converter, M4A to MP3.
The Audio Converter has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 246+ m4 converter apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Audio Converter app allows you to quickly convert your audio or video files into a wide range of audio formats. It supports numerous input formats and can output to popular choices like MP3, WAV, M4A, and AAC, among others. The conversion process is designed to be fast and efficient, either through secure cloud servers or increasingly via local processing.
Key features include the ability to convert to MP3, WAV, M4A, AAC, FLAC, OGG, WMA, and AIFF formats. It supports dozens of input file types and offers both fast cloud-based conversions and local conversions for popular formats. Users can save, share, or listen to converted files directly, and the app includes an in-app file browser and AirDrop support.

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