# mp4 Converter - mp4hz — Video Converter - mp3 to mp4 > Video Converter - mp3 to mp4 (iPhone/iPad app by Vikram Singh.) - Source: https://appshunter.io/ios/app/mp4-converter-mp4hz/id6760344456 (this page in markdown: same URL + `.md`) - Developer: [Vikram Singh](https://appshunter.io/developer/1800895019) - Category: Photo & Video, Music - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 17.0 · 7 MB - Languages: American English - Released: 2026-03-12 - Data updated: 2026-08-23 - User reviews in markdown: https://appshunter.io/ios/app/mp4-converter-mp4hz/id6760344456/reviews.md ## What is mp4 Converter? mp4hz — Audio to MP4 Video Converter Turn any audio file into a polished MP4 video with animated waveform visualizations—processed entirely on your iPhone. No uploads. No cloud. Your files stay on your device. WHY mp4hz? Whether you are a podcaster, musician, content creator, or social media editor, mp4hz helps you transform audio into share-ready video in minutes. See exactly what you are getting before you commit—preview your full conversion result, then unlock mp4hz Pro when you are ready to save, share, and export. TRY BEFORE YOU SUBSCRIBE mp4hz is built on a fair try-before-you-buy model: • Import an audio file and convert it to MP4 on your device • Preview the finished video in full after conversion • Save to Photos, share, and export require an active mp4hz Pro subscription You can evaluate quality, style, and output before subscribing. When the result looks right, Pro unlocks the actions that matter most. 100% ON-DEVICE & PRIVATE Every conversion runs locally on your iPhone using Apple’s native media frameworks. Your audio never leaves your device. Process files offline, at your pace, with complete privacy. STUNNING WAVEFORM VISUALIZATIONS Choose the look that fits your content: • Classic Bars — vertical equalizer bars • Smooth Wave — flowing sine wave • Circular Pulse — radial pulse pattern • Neon Spectrum — frequency spectrum • Mirror Bars — mirrored equalizer FLEXIBLE OUTPUT QUALITY Pick the balance of speed and resolution that works for you: • Low — 480p (fastest) • Medium — 720p (balanced) • High — 1080p SUPPORTED AUDIO FORMATS Import audio from the Files app, including: MP3, M4A, WAV, AAC, FLAC, OGG, and AIFF. SMART CONVERSION WORKFLOW • Import audio with one tap from the home screen or Import tab • Review file details before converting • Track real-time progress and estimated time remaining • Continue using the app while a conversion runs in the background • Open past conversions from your built-in Library • Search, rename, and delete conversion history BEAUTIFUL, FOCUSED DESIGN • Clean, modern interface built for speed • Dark, Light, and System appearance modes • Smooth animations and intuitive controls mp4hz PRO Subscribe to mp4hz Pro to unlock: • Save converted videos to your Photos library • Share videos anywhere with the iOS share sheet • Unlimited conversions and full export access Choose the plan that fits you: • Weekly subscription • Yearly subscription Payment is charged to your Apple ID account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple ID > Subscriptions. Restore purchases anytime from Settings inside the app. Built for creators who value privacy, quality, and control. Import your audio, pick your style, preview your video—and unlock Pro when you are ready to share it with the world. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://1kbapps.com/mp4hz/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Mobile Pro Access Weekly | $4.99 | per 7 days | | Mobile Pro Access Yearly | $29.99 | per year | ## Version history (last 2 releases) ### 1.5 — 2026-08-17 Version 1.5 brings a refined mp4hz experience focused on speed, reliability, and clarity. • Redesigned home screen with a clearer import and conversion flow • Improved on-device audio-to-MP4 conversion performance and stability • Enhanced waveform visualizations across all five wave styles • Smoother conversion progress tracking with improved time estimates • Updated Library for easier browsing, search, and management of past conversions • Refined Pro subscription experience with clearer preview-before-export messaging • General bug fixes, UI polish, and performance improvements Thank you for using mp4hz. If you enjoy the app, please leave a review—it helps us keep improving. ### 1.0 — 2026-03-12 No release notes. ## More apps by Vikram Singh - [Page Note](https://appshunter.io/ios/app/page-note/id6743033688) - [Liturgy - Gongyo Lite](https://appshunter.io/ios/app/liturgy-gongyo-lite/id6743516116) - [PDF Locker: PDF Wolf](https://appshunter.io/ios/app/pdf-locker-pdf-wolf/id6745149950) - [Appointment Reminder- Remindex](https://appshunter.io/ios/app/appointment-reminder-remindex/id6752260157) - [Nichiren Liturgy - Gongyo](https://appshunter.io/ios/app/nichiren-liturgy-gongyo/id6755279543) - [Merge PDFs](https://appshunter.io/ios/app/merge-pdfs/id6755594664) All apps by Vikram Singh: https://appshunter.io/developer/1800895019 --- *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 2026-08-23.*