What is the best alternative to MP3 Converter -Audio Extractor on iPhone?

Media Converter - video to mp3, S tier, #1 in audio conversion.

Is there a free alternative to MP3 Converter -Audio Extractor?

Yes: Media Converter - video to mp3 (S tier, #1) is free to download, with in-app purchases.

Yes. 2 apps rank above it in audio conversion: Media Converter - video to mp3 (#1), MP3 Converter - Audio Trimmer (#2).

MP3 Converter -Audio Extractor is A tier, #3 of 7 in audio conversion. Here is everything that competes with it on iPhone, in tier order.

1
Media Converter - video to mp3Shigher tier
Free + IAP · ★ 4.7 · 24,487 ratings · score 94
Converts, compresses and edits video, audio, image, GIF and PDF files, and creates ringtones from videos.
2
MP3 Converter - Audio TrimmerShigher tier
Free + IAP · ★ 4.7 · 29,109 ratings · score 92
Converts audio and video files to MP3, edits and trims audio, and creates ringtones.
4
EasyMp3 Video to mp3 ConverterA
Free + IAP · ★ 4.8 · 2,246 ratings · score 87
Extracts audio from video files and converts, edits, plays and manages the resulting audio files.
5
The Audio ConverterA
Free download · ★ 4.6 · 13,664 ratings · score 86
Converts audio and video files to formats such as MP3, WAV, M4A and FLAC, with options to save, share or open them in.
6
The Video ConverterA
Free download · ★ 4.5 · 10,165 ratings · score 81
Converts video and audio files between formats such as MP4, MP3, MOV and GIF, using a cloud server or local conversion.
7
Volume Booster + Bass BoosterF
Free + IAP · ★ 4.4 · 2,516 ratings · score 44
Boosts the volume of audio and video files up to 1000%, boosts bass, converts media formats, and plays many file types.

What is the best alternative to MP3 Converter -Audio Extractor on iPhone?: Media Converter - video to mp3, S tier, #1 in audio conversion.
Is there a free alternative to MP3 Converter -Audio Extractor?: Yes: Media Converter - video to mp3 (S tier, #1) is free to download, with in-app purchases.
Does anything rank above MP3 Converter -Audio Extractor?: Yes. 2 apps rank above it in audio conversion: Media Converter - video to mp3 (#1), MP3 Converter - Audio Trimmer (#2).