# oConvert: MP4 to MP3 Converter — Extract audio & batch convert

> Extract audio & batch convert (iPhone/iPad app by Shion Washida.)

- Source: https://appshunter.io/ios/app/oconvert-mp4-to-mp3-converter/id6759729124 (this page in markdown: same URL + `.md`)
- Developer: [Shion Washida](https://appshunter.io/developer/1584096952)
- Category: Utilities, Photo & Video
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 66 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-03-09
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/oconvert-mp4-to-mp3-converter/id6759729124/reviews.md

## What is oConvert?

oConvert — Fast, Secure & Unlimited File Conversion

"Select, Convert. Done."

The simplest file conversion app designed to do one thing perfectly.

Forget complex settings or restrictive limits. Convert videos, audio, and images for free, as much as you want, anytime.


【 Key Feature: Offline Processing 】

All conversions are processed directly on your device.
・Fast: No waiting for files to upload or download from a server.
・Secure: Your private data never leaves your device, ensuring total privacy.


【 What You Can Do 】

・Video to Audio: Extract high-quality audio from your favorite videos into MP3 or WAV.
・Batch Conversion: Convert large groups of files simultaneously with a single tap.
・High Quality: Maintain beautiful visuals and crisp sound with minimal quality loss.
・No Limits: No daily caps or file count restrictions. Use it as much as you need.
・Easy Save & Share: Save results directly to your "Photos" app or share them to social media instantly.

【 Why Choose oConvert? 】

No registration or accounts required.
Free to use forever.
Saves your mobile data (gigabytes) by processing everything offline.
Prefer no ads? Watch a single ad to hide ads for one hour.

【 Supported Formats 】

・Video
MP4 / MOV / MKV / AVI / WebM

・Audio
MP3 / WAV / M4A / FLAC / AAC / OGG (Supports extraction from video)

・Images
JPG(JPEG) / PNG / WebP / HEIC(HEIF) / GIF / BMP / DNG(ProRAW)


【 oConvert Pro & Remove Ads 】

・oConvert Pro (subscription): Hides all advertisements and unlocks Pro-only features such as advanced conversion settings.
・Remove Ads (one-time purchase): A single payment removes ads permanently.

Subscription details
・The length and price of each subscription are shown on the in-app purchase screen (a free trial may be offered).
・Payment is charged to your Apple ID account once you confirm the purchase.
・The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period.
・You can manage or cancel your subscription anytime in Settings > Apple ID > Subscriptions on your iPhone.
・If you buy Pro while a free trial is still active, the unused portion of the trial is forfeited.

● Terms of Use
https://devshion.github.io/oconvert/terms.html

● Privacy Policy
https://devshion.github.io/oconvert/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| oConvert Pro (Monthly) | $2.99 | per month |



## Version history (last 4 releases)

### 1.3.0 — 2026-08-31

What's new in v1.3.0

Redesigned Home
- A cleaner path from "Select Files" to a finished conversion
- New menus to convert by format for video, audio and photos
- Jump straight to your recent conversions from the home screen

Redesigned History
- Grouped by date for a clearer overview
- Select multiple items to share or delete them in one go
- Share several files at once

Ads
- Watch a single ad to hide ads for one hour
- You are now told in advance when an ad will appear during a conversion

Also
- New advanced settings (resolution, quality, frame rate and more)
- Guidance when video, audio and images are selected together
- Display fixes and performance improvements

### 1.2.0 — 2026-03-26

What’s New in oConvert
oConvert has evolved! Experience a more premium and intuitive interface with our latest update, featuring a design overhaul and multi-language support.

■ The Captivating "Cyberpunk" Theme

Step beyond Dark Mode. We’ve added a brand-new "Cyberpunk" theme that brings your file conversion to life with vivid neon colors.
Give your eyes an exciting new experience—switch it now in the Theme settings!

■ Going Global: Full Support for English & Simplified Chinese

To meet the needs of our users worldwide, oConvert now fully supports English and Simplified Chinese.
The app will automatically adjust to the optimal language based on your device settings.

■ Modern UI & Floating Tabs (iOS 26 Standard)

Experience the next generation of UI design. Inspired by the latest iOS 26 trends, our new "Floating Tabs" improve navigation and provide a premium, tactile feel.
Enjoy the perfect balance of aesthetic beauty and functional simplicity.

■ Performance Improvements & Bug Fixes

We’ve optimized our internal build configuration to enhance overall app responsiveness and stability.

oConvert will continue to evolve, making your device the coolest and most convenient tool in your pocket.
We’d love to hear your thoughts on this update! Please feel free to reach out to our support team with any feedback.

### 1.1.0 — 2026-03-24

No release notes.

### 1.0.0 — 2026-03-09

No release notes.

## More apps by Shion Washida

- [Dealers](https://appshunter.io/ios/app/dealers/id1584096950)
- [Picon](https://appshunter.io/ios/app/picon/id1586431924)
- [Merfy](https://appshunter.io/ios/app/merfy/id1597717608)
- [today!](https://appshunter.io/ios/app/today/id6747332028)
- [埋めも](https://appshunter.io/ios/app/id6751875833)
- [oScan - Simple Doc/PDF Scanner](https://appshunter.io/ios/app/oscan-simple-docpdf-scanner/id6758877309)

All apps by Shion Washida: https://appshunter.io/developer/1584096952

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*
