Convertor is the all-in-one video, audio and voice studio for iPhone, iPad and Mac — turn MP4 into MP3, transcribe any video, isolate a voice, make…
Download on the App Store
- Voice Isolation: FaceTime-grade denoise for interviews, calls and voice memos
- Auto-Master: one-tap broadcast mastering chain — level, EQ, limit
- Studio Rack: compressor, de-esser, gate, reverb, EQ — a full effects rack
- Vocal Separator: split vocals from instrumental for karaoke prep
- Live Transcribe: rolling captions for stages, meetings and lectures
- Screen Record + mic: capture tutorials, gameplay, video calls
- LUFS loudness: normalise for YouTube, Spotify, TV or podcasts
- 9:16 vertical export: crop and burn subtitles for social clips
- Smart Trim: automatically cut silence and filler words (um, uh)
- Voice-over overlay: narrate on top of existing music
The download is free, but Convertor: MP4 to MP3, Voice has in-app purchases. - 3-day free trial, cancel any time - 3-day free trial, then Weekly $3.99 / Monthly $8.99 / Yearly $34.99
Convertor: MP4 to MP3, Voice runs on iPhone and iPad and requires iOS 17.0 or later.
The download size is 21 MB.
The current version is 2.5, released on 2026-09-29.
Convertor: MP4 to MP3, Voice is available in Arabic, English, French, German, Italian, Japanese, Korean, Portuguese and more.
Convertor: MP4 to MP3, Voice is built by BIR (Build Intelligent Reality), an independent software studio founded by Birkan Aksoy. BIR has 38 apps on the App Store.
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