Best 4K Video Upscale Apps

249+ iOS apps curated and reviewed

3.8 avg rating
18 free apps
Updated November 2026

Finding the right 4k video upscale apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top 4K Video Upscale Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AI Upscale Video・4K UpscalerAI Upscale Video・4K UpscalerFree4.0★ (107)NoYesOct 2026
2AI Video Enhancer - PixelHDXAI Video Enhancer - PixelHDXFree1.8★ (4)YesYesOct 2026
3Smoothie: AI Video EnhancerSmoothie: AI Video EnhancerFree3.3★ (7)NoNoOct 2026
4Video Upscaler - 4K & 8KVideo Upscaler - 4K & 8KFree4.2★ (24)NoYesOct 2026
5Video UpscalerVideo Upscaler$4.994.7★ (71)NoNoOct 2026
6VideoUpscale:AI Video EnhancerVideoUpscale:AI Video EnhancerFree—NoYesOct 2026
7Upscale VideoUpscale VideoFree1.0★ (1)NoNoAug 2026
8Local Video UpscalerLocal Video Upscaler$9.995.0★ (1)NoNoOct 2026

Top Picks for 4K Video Upscale

AI Upscale Video・4K Upscaler#1

AI Upscale Video・4K Upscaler by Vishal Makwana

Improve Quality, Not Just Size
Editor's Choice
📷 Photo & Video
4.0(107 ratings)
FreeIn-App Purchases
AI Upscale Video・4K Upscaler screenshot 1
AI Upscale Video・4K Upscaler screenshot 2
AI Upscale Video・4K Upscaler screenshot 3
AI Upscale Video・4K Upscaler screenshot 4
AI Upscale Video・4K Upscaler screenshot 5
AI Upscale Video・4K Upscaler screenshot 6

Enhance your videos with AI to improve quality and resolution. Convert videos to 720P, 1080P, 2K, and 4K formats using advanced AI models. This tool goes beyond simply resizing, actively improving the visual clarity of your footage.

AI Video Enhancer - PixelHDX#2

AI Video Enhancer - PixelHDX by 伟会 章

AI-Powered 4K Video Upscaler
Strong Contender
🔧 Utilities
1.8(4 ratings)
FreeAdsIn-App Purchases
AI Video Enhancer - PixelHDX screenshot 1
AI Video Enhancer - PixelHDX screenshot 2
AI Video Enhancer - PixelHDX screenshot 3
AI Video Enhancer - PixelHDX screenshot 4
AI Video Enhancer - PixelHDX screenshot 5
AI Video Enhancer - PixelHDX screenshot 6

Transform blurry videos and photos into high-definition masterpieces using advanced AI. Enhance resolution up to 4K, restore old memories, and sharpen images with a simple interface. Perfect for content creators, photographers, and anyone looking to revive their media.

Smoothie: AI Video Enhancer#3

Smoothie: AI Video Enhancer by Ufuk Dogan

4K Upscale & 120FPS Boost
Worth Considering
📷 Photo & Video
3.3(7 ratings)
Free
Smoothie: AI Video Enhancer screenshot 1
Smoothie: AI Video Enhancer screenshot 2
Smoothie: AI Video Enhancer screenshot 3
Smoothie: AI Video Enhancer screenshot 4
Smoothie: AI Video Enhancer screenshot 5
Smoothie: AI Video Enhancer screenshot 6

Enhance video quality by upscaling to 4K and smoothing motion to 120FPS. This app uses on-device AI for fast, private processing, ensuring your footage never leaves your device. Upgrade old memories or professional clips with improved clarity and fluidity.

More 4K Video Upscale apps to explore

FAQ about 4K Video Upscale

What are the best 4k video upscale apps for iPhone?
AI Upscale Video・4K Upscaler tops our 4k video upscale apps ranking as of November 2026, with a 4.0-star average from 107 App Store ratings, and it's free to download.
Yes — 18 of the top 4k video upscale apps we rank are free to download, including AI Upscale Video・4K Upscaler and AI Video Enhancer - PixelHDX.
AI Upscale Video・4K Upscaler has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ 4k video upscale apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.