Video Upscaler AI Enhancer 16K4.4.4 - App Store

Fix blurry, low-quality videos in one tap. Video Upscaler turns SD and shaky
old footage into crisp 4K-16K - 100% on-device, so your videos never leave
your iPhone.

WHAT PEOPLE USE IT FOR:
- Unblur videos that came out soft or pixelated
- Restore old family videos and camcorder footage
- Upscale SD/HD clips to 4K, 8K or 16K before posting
- Convert formats and resolutions locally, no cloud

PAY YOUR WAY:
- Free: unlimited conversions with Apple SuperRes & MetalFX
- One-time: unlock a single premium export - no subscription
- Pro: BSRGAN & Real-ESRGAN models, 8K/16K output, full editor

CORE FEATURES:

. AI Video Upscaler
Upscale videos from SD or HD to sharper 4K, 8K and up to 16K output.

. Video Enhancer
Improve clarity, sharpness and visible detail in low-quality footage.

. Video Repair
Reduce blur and recover detail in old, compressed or damaged-looking videos.

. Video Converter
Convert videos locally and adjust resolution, format, bitrate, frame rate and size.

. Before & After Preview
Compare the original and enhanced result before exporting.

. Private On-Device Processing
No cloud upload. No remote processing. Your videos stay private.

AI MODELS

. BSRGAN
Premium restoration model for recovering detail in old or low-quality footage.

. Real-ESRGAN
Premium enhancement model for sharper, more photorealistic results.

. Apple SuperRes & MetalFX
Fast native on-device models for everyday upscaling and conversion.

TOOLS

. Advanced Video Editor
Trim, crop and adjust your videos after processing.

. AI Metadata Tools
Manage video metadata and automated suggestions.

. Export Controls
Choose output quality, format, bitrate, frame rate and resolution.

PRO FEATURES

Upgrade to Pro to unlock:

. BSRGAN and Real-ESRGAN premium AI models
. 4K, 8K and 16K premium export resolutions
. Full video editor
. Advanced metadata tools
. Watermark-free premium exports
. No ads

FREE FEATURES:

. Unlimited local conversions
. Apple SuperRes and MetalFX models
. SD, HD and 2K presets
. Private on-device processing

SUBSCRIPTION INFORMATION:

Pro unlocks premium AI models, higher export resolutions, advanced editing, metadata tools and watermark-free premium exports.

Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account. You can manage or cancel your subscription anytime in App Store account settings.

Terms of Use:
https://www.kovallux.com/imprint/

Privacy Policy:
https://www.kovallux.com/privacy-policy/

Version History Minor fixes and improvements. 4.4.4 14h ago • Your latest before-and-after video comparison is now saved, even after closing the app.
• A new reminder, sent one day after your first enhancement, lets you reopen your saved comparison directly from the notification.
• Fixed an issue when launching the app and updated interface translations. 4.4.3 4d ago • Easier to get started: clearer Continue buttons and simple goal selection replace the press-and-hold step, with smoother transitions to choosing your first video.
• Simpler AI model selection: cleaner cards highlight speed, quality and Premium availability, with one clear selection indicator. The main Upscale and Convert button shows your chosen quality and model.
• Easier saving and sharing: Save to Photos and Share Video stay visible while you browse comparisons and full video details. Saving includes progress feedback, clear confirmation, protection against duplicate taps and a retry option. If Photos access is blocked, you can open Settings directly.
• More reliable one-off export purchases: improved credit tracking prevents the same purchase from being counted twice and preserves unused export credits when updating.
• Accessibility improvements: clearer labels and selection states for AI models and goal choices, improved text scaling in model cards and the main action button, and a VoiceOver announcement after saving. We have also reduced decorative animations during the introduction and on subscription screens, and added translations for new controls and messages. 4.4 Sep 21 • See the difference instantly — after every upscale, a before/after comparison opens automatically, zoomed into the most detailed part of your video
• Real numbers on your result: resolution, pixel count, and file size — before → after
• New "Share Comparison" — export a short clip with a sliding before/after divider
• Smarter default resolution: the app now picks the target based on your video, and warns you when the difference would be too small to see
• Fixed: saving and exporting on iPad works again
• Fixed: videos without an audio track (screen recordings, GIFs, editor exports) can now be upscaled
• Fixed: processing no longer gets stuck at 0% — if something goes wrong, you get a clear message and your export credit is never spent
• File size limit raised from 4.3 GB to 64 GB
• Progress now shows what's actually happening at each stage
• Improved feedback form — telling us what went wrong now takes two taps 4.3 Aug 5 • NEW: Home Screen widget — start an upscale straight from your Home Screen
• Fully localised in 20 languages
• Fixed a video looping issue on export
• Faster, more stable AI processing 4.2.1 Jul 12 - Added a new Home Screen quick action: Before you remove.
- Improved the before-remove flow with clearer options for Premium users and free users.
- Fixed feedback and subscription actions from the before-remove screen.
- Improved subscription status refresh after purchase, especially when returning to the app.
- Small stability and analytics improvements around paywall and feedback flows.
- New Home screen widget 4.2 Jun 14 New one-time option to unlock premium exports without starting a subscription.
Improved premium export flow for 4K, 8K, 16K and premium AI models.
Premium export credits now work more reliably across model selection, quality selection and result sharing.
Added direct unlock for finished premium preview results before sharing.
Improved paywall plan handling, with yearly plans prioritised when available.
Improved discount offer copy and pricing display.
Added a small brand watermark to free exports.
Improved onboarding flow and fixed several presentation glitches after onboarding.
ATT prompt now appears after the first successful export, not on cold start.
Push permission timing is now less intrusive.
In-app event prompts no longer appear before onboarding is complete.
Fixed in-app event export counter not decreasing correctly.
Fixed an issue where one-time export purchases could incorrectly behave like permanent premium access.
Improved memory handling during upscaling and watermark rendering.
Fixed export credit state handling after failed or cancelled exports.
Removed obsolete legacy subscription screens.
General stability, conversion flow and UI polish improvements. 4.1 Jun 9 - Added a required update screen when a newer App Store version is available.
- Added a clear upscaling expectation screen before processing, so users understand what the app can and cannot improve. Miracles remain annoyingly unavailable.
- Added quick sharing paths for TikTok, Instagram, YouTube, More, and sharing the app with a friend.
- Moved review prompts to after a successful conversion instead of showing them on app launch.
- Improved audio export reliability with AAC-compatible sample rates, channel counts, and bitrates.
- Refined conversion progress text and progress bar styling. 4.0 May 28 In this update, we have fixed a few bugs and improved the overall performance of the app to provide you with a smoother experience. Thank you for using our app! 3.9.5 Apr 14 We added a new feedback flow so you can tell us what to improve directly from the app.
Also included: small UI improvements and stability fixes. 3.9.4 Apr 7 Fixed an issue where videos could export at 25 fps instead of the selected 60 fps. Added proper iPhone 17 recognition in Settings. Also improved overall export reliability and stability.
Added Done button to the keyboard on the Settings screen for easier dismissal. 3.9.3 Mar 25 What’s New

Video Upscaler 16K is now more honest and more reliable.
We improved the paywall so trial messaging is shown only when a real App Store free trial is actually available for your subscription. If there is no trial, the app will no longer display misleading “free trial” text.
We also cleaned up the subscription flow behind the scenes to make purchase offers clearer and more consistent across all premium screens.
This update also includes internal improvements and stability fixes for a smoother upgrade experience. 3.9.2 Mar 22 • NEW: Yearly subscription option — save over 60% compared to monthly!
• Improved subscription experience with more flexible plan options
• Enhanced purchase flow reliability
• Bug fixes and performance improvements 3.9.1 Mar 20 Bug fixes and stability improvements. 3.9 Feb 21 Fixed monthly subscription not working and Yearly one time purchase not working. 3.8 Feb 19 Reduced app's file size by optimizing ML models. 3.7 Feb 15 Fixed bug when some videos were always converted to 4K regardless the setting. 3.6 Feb 11 Small localization fixes + UI tweaks. 3.5 Feb 11 We ensured that all new features are fully localized and verified across 20 supported languages: English, Arabic, German, Spanish, French, Hindi, Italian, Japanese, Korean, Dutch, Polish, Portuguese (Brazil & Portugal), Russian, Swedish, Turkish, Ukrainian, Vietnamese, Chinese (Simplified & Traditional).

Critical Bug Fixes
- Metadata Editor Crash: Fixed a crash that occurred when adding custom metadata tags.
- App Stability: Resolved a rare crash related to window management and keyboard dismissal when navigating away from the editor or onboarding.
- Memory Safety: Performed a significant under-the-hook refactoring to prevent memory leaks and ensure the app remains fast and responsive during long processing tasks.

General Improvements
- Console & Performance: Cleaned up internal logging for faster execution and a more stable runtime environment.
- Refined Onboarding: Improved transitions between onboarding pages for a smoother first-time experience. 3.4 Feb 7 - added tips for UI controls using TipKit 3.3 Jan 26 - added handy comparison view
- added setup of use case
- small UI tweaks
- fixed delay of video loading 3.2 Jan 15 Added discounted subscription.
NEW! Added native Apple Upscaler, and two new CoreML models for on-device upscaling! 3.1 Jan 8 Improved upscale speed and stability, fixed onboarding issues, and clearer subscription prompts. Minor UI polish and background crash fixes for a smoother editing experience. 3.0 10/14/2025 - fixed bug with the export button being weird at the end of the upscaling process 2.9 12/17/2024 - added weekly subscription option 2.8 11/26/2024