# PixAI 4X - Enlarge Your Images — Enhance&Enlarge Your Images

> AI-powered image enhancement and enlargement tool for photos and anime. (iPhone/iPad app by 伟文 黄.)

- Source: https://appshunter.io/ios/app/pixai-4x-enlarge-your-images/id6443815029 (this page in markdown: same URL + `.md`)
- Developer: [伟文 黄](https://appshunter.io/developer/1645035944)
- Category: Graphics & Design, Utilities
- Price: Free with in-app purchases
- Rating: 3.00/5 from 4 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 524 MB
- Languages: English, Japanese, Chinese, Chinese
- Released: 2022-12-15
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/pixai-4x-enlarge-your-images/id6443815029/reviews.md

## What is PixAI 4X?

PixAI
The Image Multiplier, Powered by AI.

Better picture quality than Waifu2x and it's FREE !
Losslessly enlarge your pictures instantly with Advanced AI Image Processing Technology.

Disclaimer: PixAI is the abbreviation of "Pixels Artificial Intelligence", which is the work of independent developers.  PixAI is not associated with Pixar, Pixiv and other companies.

PixAI is a revolutionary breakthrough in AI-powered image processing that massively boosts definition. Powered by the new AI algorithms, PixAI uses AI to create additional high-quality images. Try any picture you like for free.

What can PixAI do ?

1. Super Resolution
Boosts your photos and anime definition by using AI to output higher resolution image from a lower resolution input. 

2. Face Restoration
Recover facial details like magic from blurry photos.

3. Photo Colorization
Colorize and restore old images in just one click.

4. Low Light Enhancement
Recover image detail from low-light environments like a pro.

Will PixAI leak my private photos?
No. Unlike other apps, we run the coreml model on your device, your data will not be uploaded to the cloud for processing, so don't worry about privacy issues.

## Key features

- AI Super Resolution
- Face Restoration
- Photo Colorization
- Low Light Enhancement
- On-device Processing
- Lossless Enlargement

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock Sharing | $7.99 | one-time |


## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/pixai-4x-enlarge-your-images/id6443815029/reviews.md

### 1/5 — Paid reviewer

*2024-03-19*

This used to be good but now it’s not.

**Developer response:** Thank you for your feedback. We’re sorry to hear that you’re not satisfied with the current version of our app. Could you please provide more details about the issues you’re facing by using the in-app feedback feature to send us an email? This will help us address your concerns more effectively. We look forward to hearing from you!

### 1/5 — 名不副实

*2023-07-18*

价格偏贵，而且效果还不如那些免费的图片增强工具，完全不值得购买

**Developer response:** This app has a free mode, so you can test it to your satisfaction before buying.

### 5/5 — 目前增强效果最好的app

*2023-01-12*

awesome

### 5/5 — 很好用的App

*2022-12-24*

iOS上不可多得的图片处理工具，赞一个！

### 5/5 — Amazing photo enhancement tool

*2022-12-21*

I’ve been trying to enhance some of the childhood photos my parents sent to me. After trying out several apps this one makes my day. It’s an one-click enhancement tool so we don’t need to worry about anything. There are a few options to optimize for every photo. Worth to pay for it.

## Frequently asked questions about PixAI 4X

### What is PixAI 4X?

PixAI 4X is an AI-powered application designed to enhance and enlarge images. It offers features like super resolution, face restoration, photo colorization, and low-light enhancement to improve picture quality.

### Does PixAI 4X have ads?

No, PixAI 4X does not contain advertisements. The application is free to use and does not display any ads to users.

### How does PixAI 4X protect user privacy?

PixAI 4X prioritizes user privacy by running its core AI models directly on your device. This means your photos are not uploaded to the cloud for processing, safeguarding your personal data.

### What devices is PixAI 4X available on?

PixAI 4X is compatible with iPhone, iPad, and iPod devices. It is designed to work across various Apple mobile devices.

### How often is PixAI 4X updated?

The latest version of PixAI 4X is 1.1.6, which was last updated on January 10, 2025. Updates aim to improve performance and introduce new features.

### What is the age rating for PixAI 4X?

PixAI 4X has an age rating of 4+, making it suitable for a wide range of users. This rating indicates it is appropriate for children and adults.

### Can PixAI 4X restore blurry faces?

Yes, PixAI 4X includes a Face Restoration feature that can magically recover facial details from blurry photos. This helps bring clarity back to important parts of your images.

### Is PixAI 4X free to use?

PixAI 4X is free to download and use, with the option for in-app purchases. You can try any picture you like for free.

## Version history (last 5 releases)

### 1.1.6 — 2025-01-10

A new compatibility mode toggle has been added to the settings. If you encounter any crashes, try enabling this mode.

### 1.1.5 — 2024-12-04

1. Optimized memory usage to support 4x super-resolution for 4K images on devices with 4GB of RAM.
2. Improved performance and stability for a smoother user experience.
3. Minor bug fixes and enhancements.

### 1.1.4 — 2023-08-22

Fixed a bug when exporting transparent png images.

1.Support for transparent background files.
2.Added super-resolution model for text.
3.Support for bulk importing images from the gallery and files.

### 1.1.3 — 2023-08-17

1.Support for transparent background files.
2.Added super-resolution model for text.
3.Support for bulk importing images from the gallery and files.

### 1.1.2 — 2023-07-14

1. Add a text super-resolution model

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| --- | --- | --- | --- |
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| [Home Screen Themes & Launcher](https://appshunter.io/ios/app/home-screen-themes-and-launcher/id1540480608) | 4.1 (292) | Free | Graphics & Design |
| [Pixie Wallpaper - High Quality](https://appshunter.io/ios/app/pixie-wallpaper-high-quality/id6446266063) | 4.5 (13) | Free | Graphics & Design |
| [Easy Watermark-Add to Pic,Movi](https://appshunter.io/ios/app/easy-watermark-add-to-picmovi/id1559905772) | — | Free | Graphics & Design |

## More apps by 伟文 黄

- [SMSGuard](https://appshunter.io/ios/app/smsguard/id1645039463)
- [PixStory AI -Enjoyable eReader](https://appshunter.io/ios/app/pixstory-ai-enjoyable-ereader/id1670327000)
- [HandyDiffu](https://appshunter.io/ios/app/handydiffu/id6444753824)

All apps by 伟文 黄: https://appshunter.io/developer/1645035944

## Related topics

[動画 高画質化 サイト](https://appshunter.io/ios/topics/)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*