Best 4K Video Converter Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

The best 4k video converter apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top 4K Video Converter Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Video Converter and CompressorVideo Converter and CompressorFree4.7★ (2.2K)NoYesSep 2026
2AllVidConverter: Convert VideoAllVidConverter: Convert VideoFreeNoYesAug 2026
34K Video Converter: MP4 to MP34K Video Converter: MP4 to MP3Free4.5★ (128)YesYesSep 2026
4Video Converter - CompressorVideo Converter - CompressorFree4.4★ (19)NoYesSep 2026
5Video Upscaler AI Enhancer 16KVideo Upscaler AI Enhancer 16KFree4.1★ (126)YesYesSep 2026
6The Video ConverterThe Video ConverterFree4.5★ (10K)NoYesSep 2026
7AI Upscale Video・4K UpscalerAI Upscale Video・4K UpscalerFree4.2★ (81)NoYesSep 2026
8Media Converter - video to mp3Media Converter - video to mp3Free4.7★ (24K)YesYesSep 2026

Top Picks for 4K Video Converter

Video Converter and Compressor#1

Video Converter and Compressor by Inverse.AI

Any Format Batch 4K Merger
Editor's Choice
📷 Photo & Video
4.7😊(2.2K 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
  • 👍 Simple and easy to use
  • 👍 Great compression quality
  • 👍 Excellent converter

Room to Improve

  • 🐛 Conversion issues
  • 🔋 High battery consumption
  • 🔒 Potential security concerns
  • 📢 Annoying ads
  • 🐛 Inconsistent software behavior
4K Video Converter: MP4 to MP3#3

4K Video Converter: MP4 to MP3 by Viacheslav Khakhulin

Convert, Compress, Resize, Fit
Worth Considering
📷 Photo & Video
4.5(128 ratings)
FreeAdsIn-App Purchases
4K Video Converter: MP4 to MP3 screenshot 1
4K Video Converter: MP4 to MP3 screenshot 2
4K Video Converter: MP4 to MP3 screenshot 3

This app allows you to quickly compress, resize, or convert videos to various formats, including audio. All processing happens directly on your device, ensuring privacy and speed. Easily save, share, or open your converted files in other applications.

More 4K Video Converter apps to explore

FAQ about 4K Video Converter

What are the best 4k video converter apps for iPhone?
Video Converter and Compressor tops our 4k video converter apps ranking as of August 2026, with a 4.7-star average from 2.2K App Store ratings, and it's free to download.
Yes — 20 of the top 4k video converter apps we rank are free to download, including Video Converter and Compressor and AllVidConverter: Convert Video.
Video Converter and Compressor has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ 4k video converter apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app can convert and compress video files to almost any video and audio format. It also supports merging video and audio files, changing video resolution, frame rate, and bitrates. You can also convert video files into various audio formats like MP3 and AAC.
The app supports a wide range of video formats including MP4, MKV, AVI, 3GP, MOV, and many more. For audio conversion, it supports MP3, AAC, AC3, WAV, OGG, and FLAC. It also handles numerous video and audio codecs.

Related searches