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Best Mkv To Mp4 Converter Apps

227+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

Whether you're new to mkv to mp4 converter or looking for an upgrade, our curated collection of 227+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Mkv To Mp4 Converter

Media Converter - video to mp3#1

Media Converter - video to mp3 by 俊杰 阮

convert mp4,m4a, extract audio
Editor's Choice
🔧 Utilities
4.7😊(24K ratings)
FreeAdsIn-App Purchases
Media Converter - video to mp3 screenshot 1
Media Converter - video to mp3 screenshot 2
Media Converter - video to mp3 screenshot 3
Media Converter - video to mp3 screenshot 4
Media Converter - video to mp3 screenshot 5

This app is a versatile media converter that handles videos, audio, images, GIFs, and PDFs. It allows for format conversion, audio extraction, video compression, ringtone creation, and even basic video editing. It also includes a built-in media player and file management tools.

What We Love

  • 🚀 Fast and efficient conversion
  • 👍 Easy to use
  • 💡 Versatile file format support
  • 🚀 Excellent compression capabilities

Room to Improve

  • 🐛 Occasional crashes or conversion issues
  • 🔋 Battery drain during conversion
  • 🔍 Confusing UI in some areas
MKV to MP4 Converter#2

MKV to MP4 Converter by Andy Sutanto

Convert video file offline
Strong Contender
🔧 Utilities
3.9(13 ratings)
FreeAdsIn-App Purchases
MKV to MP4 Converter screenshot 1
MKV to MP4 Converter screenshot 2
MKV to MP4 Converter screenshot 3

Easily convert MKV video files to MP4 format offline. This app offers a simple interface and fast conversion speeds, maintaining original video quality. It supports batch conversions and is compatible with various devices.

Video Converter and Compressor#3

Video Converter and Compressor by Inverse.AI

Any Format Batch 4K Merger
Worth Considering
📷 Photo & Video
4.7😊(2.1K ratings)
FreeIn-App Purchases
Video Converter and Compressor screenshot 1
Video Converter and Compressor screenshot 2
Video Converter and Compressor screenshot 3
Video Converter and Compressor screenshot 4
Video Converter and Compressor screenshot 5
Video Converter and Compressor screenshot 6

This app converts and compresses video and audio files into numerous formats. It also allows merging video and audio clips, changing resolution, frame rate, and bitrates. Files can be imported from various sources, including cloud services and local devices.

What We Love

  • 🚀 Seamless conversion
  • 👍 User-friendly interface
  • 💡 Helpful for various media tasks
  • 🚀 Fast and efficient

Room to Improve

  • 🐛 Conversion issues
  • 🔋 High battery consumption
  • 🔒 Potential security concerns

More Mkv To Mp4 Converter apps to explore

4
The Video Converter
The Video Converter
The Video Converter
Convert to MP4, MOV, and MP3
Free

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.

Convert to MP4, MOV, MP3, and moreSupports dozens of input and output formatsFast conversion in seconds
🔧 Utilities
(9.7K)
freemium
5
MP4 Maker - Convert to MP4
MP4 Maker - Convert to MP4
MP4 Maker - Convert to MP4
Convert videos to MP4 format
Free

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.

Convert videos to MP4Local device processingExport converted files
📊 Productivity
(2.2K)
free with in-app purchases
6
MKV Converter, MKV to MP4
MKV Converter, MKV to MP4
MKV Converter, MKV to MP4
Convert MKV files
Free

Easily convert MKV files to MP4, GIF, AVI, and many other formats. This app offers unlimited, fast, and high-quality video conversions directly on your device without any fees or sign-ups. It supports a wide range of formats and allows for custom output settings.

Convert MKV to MP4, GIF, AVI, MOV, WEBM, FLV, WMV, OGV, VOB, MPEGUnlimited and free conversionsFast and precise local conversion engine
🔧 Utilities
(10)
free with in-app purchases
7
MKV to MP4 - Video Converter
MKV to MP4 - Video Converter
MKV to MP4 - Video Converter
mov to mp4 and mkv to mp4
Free
🔧 Utilities
(0)
8
Video Converter & Compressor
Video Converter & Compressor
Video Converter & Compressor
Video convert,compress,resize
Free

Easily convert and compress videos to various formats, including those not supported by your device. This app also allows you to resize videos, convert audio files to video with custom images, and play back your converted media. Create custom playlists for your video library.

Video format conversionVideo compressionVideo resizing
📷 Photo & Video
(4.7K)
free with in-app purchases
9
MP3 Converter: Video to Audio
MP3 Converter: Video to Audio
MP3 Converter: Video to Audio
Ringtone Maker, Extract Music
Free

Easily convert videos from various formats into audio files. Extract music from your favorite clips and create custom ringtones. Supports numerous output formats and offers convenient sharing options.

Convert videos to audioExtract music from videosCreate ringtones
🎵 Music
(7.1K)
free with in-app purchases
10
Remux - Video Converter
Remux - Video Converter
Remux - Video Converter
Video Compressor & Converter
Free

This app allows you to convert, compress, and edit videos directly on your device. It supports over 20 video formats and multiple audio formats, with features like audio extraction, GIF creation, and batch processing. All operations are performed locally for enhanced privacy.

Convert to 20+ video formatsCompress videos to save storageExtract audio from videos
🔧 Utilities
(587)
freemium
11
VLC media player
VLC media player
VLC media player
by VideoLAN
Free

Play virtually any video or audio file directly without conversion. Stream media from cloud services, network servers, or the web. Offers advanced subtitle support and playback controls.

Plays all video and audio formatsNo file conversion neededCloud and network streaming
📷 Photo & Video
(5.5K)
free
12
MP4 Converter!
MP4 Converter!
MP4 Converter!
Video Converter
Free

Easily convert video files to various formats like MP4, MKV, AVI, and MP3. You can also change video dimensions, crop clips, and create GIF files from your videos. Share your converted files or review your conversion history.

Convert to MP4, MKV, AVI, MOV, MP3, GIFChange video dimensionsCrop videos
📷 Photo & Video
(89)
free with in-app purchases
13
TubeMate: Convert Video To MP3
TubeMate: Convert Video To MP3
TubeMate: Convert Video To MP3
Audio Extractor, Remove Vocals
Free

Edit videos and audio with a suite of tools. Convert media formats, trim, split, and merge videos. Extract MP3s from videos, remove vocals, and apply filters. Enhance audio with a custom equalizer.

Convert video to audioTrim, split, and merge videosExtract MP3 from video
🔧 Utilities
(572)
free with in-app purchases
14
MOV to MP4 - Video Converter 3
MOV to MP4 - Video Converter 3
MOV to MP4 - Video Converter 3
shorten video, mp4 to mp3 trim
Free

Easily convert video files between MOV and MP4 formats, and extract audio into MP3 or AAC. This tool prioritizes user privacy by processing all data locally on your device. All conversion and extraction features are available at no cost.

Convert MOV to MP4Convert MP4 to MOVExtract audio from MOV
🎨 Graphics & Design
(45)
ad-supported
15
MOV to MP4 - Video Converter
MOV to MP4 - Video Converter
MOV to MP4 - Video Converter
Convert to MP4, MOV, and MP3
Free
🔧 Utilities
(0)
16
MP4Plus Video Converter mp3/4
MP4Plus Video Converter mp3/4
MP4Plus Video Converter mp3/4
Convert Video to mp4 mp3
Free

Easily convert video files into MP4 or MP3 formats directly on your iOS device. Supports a vast array of video file types for seamless conversion.

Convert video to MP4Convert video to MP3Supports numerous video formats
🔧 Utilities
(190)
free with in-app purchases
17
Video to MP3 Converter ‣
Video to MP3 Converter ‣
Video to MP3 Converter ‣
Convert MP4, M4A, MOV to MP3
Free

Easily transform video files into audio formats like MP3 and M4A. Save your converted audio for offline listening and share it across various platforms. The app offers a fast and simple three-step conversion process.

Convert video to audioSupport for various video formatsCompatibility with popular audio formats
🔧 Utilities
(225)
free with in-app purchases
18
Video to MP3 Converter App
Video to MP3 Converter App
Video to MP3 Converter App
MP4 Video to MP3 Audio Convert
Free

Easily convert video files to audio formats like MP3, or convert between various video and audio types. This app also allows for trimming media, editing MP3 metadata, and creating custom ringtones. It supports a wide range of import methods and includes a secure media player.

Convert video to audio (MP4 to MP3)Convert between video formatsConvert between audio formats
🎵 Music
(348)
free with in-app purchases
19
VICO - Video to MP3 Converter
VICO - Video to MP3 Converter
VICO - Video to MP3 Converter
Media Converter MP4 Video
Free

Easily convert video files to various formats like MP3, MP4, and AVI. This app offers quick conversions, supports local and cloud storage, and provides convenient sharing options. It's designed for users who need to change video file types for accessibility or to save space.

Video to MP3 conversionMultiple output formats (MP4, AVI, M4A, etc.)Quick conversion times (15-20 seconds)
🔧 Utilities
(4)
free with in-app purchases
20
Video Converter - Convert MKV
Video Converter - Convert MKV
Video Converter - Convert MKV
Convert MKV/WMV/MOV/AVI to MP4
Free
🔧 Utilities
(3)