Best Mp4 Conversion Apps

245+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.2★, the mp4 conversion category is one of the App Store's strongest. Browse all 245+ apps we track, sorted so the most loved ones surface first.

Compare top Mp4 Conversion Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Video WiFi Transfer/MP4 ConversionVideo WiFi Transfer/MP4 ConversionFree3.5★ (6)NoNoJul 2026
2The Video ConverterThe Video ConverterFree4.5★ (10K)NoYesSep 2026
3MP4 Maker - Convert to MP4MP4 Maker - Convert to MP4Free4.6★ (2.3K)NoYesSep 2026
4MovP4 - MP4 ConverterMovP4 - MP4 ConverterFree3.5★ (84)YesNoSep 2026
5Video Converter Pro: Mov,  MP3Video Converter Pro: Mov, MP3Free4.6★ (127)NoYesSep 2026
6Video Converter -MOV, MP4, M4VVideo Converter -MOV, MP4, M4VFreeNoNoMay 2026
7MOV to MP4 - Video Converter 3MOV to MP4 - Video Converter 3Free4.6★ (54)YesNoSep 2026
8Video Converter MP4Video Converter MP4Free4.3★ (9)YesYesSep 2026

Top Picks for Mp4 Conversion

The Video Converter#2

The Video Converter by Float Tech, LLC

Convert to MP4, MOV, and MP3
Strong Contender
🔧 Utilities
4.5😞(10K ratings)
FreeIn-App Purchases
The Video Converter screenshot 1
The Video Converter screenshot 2
The Video Converter screenshot 3
The Video Converter screenshot 4
The Video Converter screenshot 5

Easily transform video and audio files into a wide range of formats like MP4, MOV, and MP3. Select your input, choose an output, and convert in seconds. Save, share, or view your converted files directly from the app.

What We Love

  • 👍 Easy to use
  • 🚀 Fast conversion
  • 💡 Variety of conversion options
  • 🔒 Secure file handling

Room to Improve

  • 🐛 Crashes and freezes
  • 🔒 Concerns about privacy and data handling
  • 💰 Paywall for basic features
  • 🔋 Slow conversion speeds
4.6😞(2.3K ratings)
FreeIn-App Purchases
MP4 Maker - Convert to MP4 screenshot 1
MP4 Maker - Convert to MP4 screenshot 2
MP4 Maker - Convert to MP4 screenshot 3
MP4 Maker - Convert to MP4 screenshot 4

Easily convert video files to MP4 format directly on your device. This app prioritizes your privacy by processing all conversions locally, ensuring your files never leave your phone. Customize quality settings to balance file size and image resolution.

What We Love

  • 🚀 Fast and easy to use
  • 👍 Simple and intuitive interface
  • 💡 Supports conversion to MP4 format
  • 🔒 Affordable one-time payment

Room to Improve

  • 🐛 Doesn't support certain file types (MKV, AVI, etc.)
  • 🔍 Limited free features, must pay for higher quality
  • 🔍 Unclear file format support before purchase
  • 🐛 Conversion quality issues, even with premium
  • 🐛 Conversion failures, app freezes or doesn't work

More Mp4 Conversion apps to explore

FAQ about Mp4 Conversion

What are the best mp4 conversion apps for iPhone?
Video WiFi Transfer/MP4 Conversion tops our mp4 conversion apps ranking as of September 2026, with a 3.5-star average from 6 App Store ratings, and it's free to download.
Yes — 20 of the top mp4 conversion apps we rank are free to download, including Video WiFi Transfer/MP4 Conversion and The Video Converter.
Video WiFi Transfer/MP4 Conversion has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 245+ mp4 conversion apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Video WiFi Transfer/MP4 Conversion is a utility app that allows you to download videos from your iPhone to a PC or smartphone over WiFi. It converts videos to MP4 format for easy playback on various devices.
Simply run the app on your iPhone and open a web browser on your PC or Android device to access and download videos. It also supports FTP clients for video access. Both devices must be on the same WiFi network.