# Image Enhancer Waifu2x Anime — Offline AI art scaling tool

> AI tool for offline illustration noise reduction and high-resolution upscaling. (iPhone/iPad app by Tatsuaki Watanabe.)

- Source: https://appshunter.io/ios/app/image-enhancer-waifu2x-anime/id6670725224 (this page in markdown: same URL + `.md`)
- Developer: [Tatsuaki Watanabe](https://appshunter.io/developer/898646263)
- Category: Graphics & Design, Photo & Video
- Price: Free
- Rating: 5.00/5 from 18 App Store ratings · 10 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 84 MB
- Languages: American English, French (France), German (Germany), Indonesian, Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) and 2 more
- Released: 2024-09-23
- Data updated: 2026-08-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/image-enhancer-waifu2x-anime/id6670725224/reviews.md

## What is Image Enhancer Waifu2x Anime?

This app enhances illustrations and photos using AI. It features two AI models, waifu2x and Real-ESRGAN, to upscale images 2x to 4x directly on your device.

■ Completely Free, No Ads, No In-App Purchases  
There are no ads or in-app purchases. Enjoy unlimited access to all features.

■ Equipped with 4 AI Models  
- waifu2x — Perfect for illustrations and anime, with 2x upscaling  
- Real-ESRGAN Anime — High-quality 4x upscaling with AI enhancement  
- Real-ESRGAN Photo (Lightweight) — Fast 4x upscaling for photos  
- Real-ESRGAN Photo (High Quality) — Best quality 4x upscaling for photos  

■ Batch Processing  
Select and process multiple images at once. Track progress with a progress bar during batch processing.

■ Easy Saving and Sharing  
Save in PNG/JPEG format with adjustable JPEG quality. Share results with a single tap.

■ Before/After Comparison  
Compare before and after processing using a slider or button switch to see the upscaling effect.

■ Processing History  
Review, re-save, and share previously processed images from your history.

■ Privacy Focused  
All processing is done on your device. No uploads to servers or AI learning involved.

## Key features

- AI-powered noise reduction
- High-resolution image upscaling
- Offline processing
- User-friendly interface
- Fast, high-quality output
- No ads or in-app purchases

## Recent user reviews (10 of 10)

All indexed reviews: https://appshunter.io/ios/app/image-enhancer-waifu2x-anime/id6670725224/reviews.md

### 5/5 — It’s better than paid analogues

*2026-05-31*

Pls take my money

### 5/5 — Love it

*2025-10-09*

I love this app. It upscales quite well. I totally recommend it!

### 5/5 — AMAZING

*2025-08-12*

i never make reviews but this has saved my life in so many ways THANK YOU WAIFU2X ANIME.

### 5/5 — 使いやすい

*2025-08-02, version 1.9*

めちゃくちゃ簡単なのに、しっかりぼやけた画像を綺麗にしてくれます。
欲を言えば、少し大きめのサイズの画像にも使えたらなと思いました。

### 5/5 — 好用

*2025-03-31*

不错不错

### 5/5 — 簡単！

*2025-01-18, version 1.6*

サイトからキャプチャした小さい画像が簡単に高画質化できてとっても便利！

### 5/5 — goated app

*2025-01-05*

uses the best (or at least pretty close to the best idk) upscale for anime images as well (ESRGAN)

**Developer response:** Thank you for your feedback!
If you have specific requests or models you’d like us to compare, please let us know—we’d love to take them into consideration for future updates!

### 5/5 — 手軽に高画質化ができる

*2024-09-24, version 1.0*

ワンボタンで簡単に高画質化できました。拡大すると少し補正が目立ちますが、特に小さい画像だと、純粋に画質が良くなったように思います。サムネイルやホームページの素材などで手元に元データが失われてしまったときなどに、緊急用に利用することができそうです。

### 5/5 — シンプルですごく使いやすい！！

*2024-09-24, version 1.0*

めちゃくちゃ便利！！
アプリ開いたら漫画で使い方説明してくれるのですぐに使えました！
これで広告も表示されないし無料なんていいんですか！？
ありがたくつかわせていただきます！！

### 5/5 — シンプルで使いやすい

*2024-09-23, version 1.0*

高画質化してくれる機能がすぐ使えました

## Frequently asked questions about Image Enhancer Waifu2x Anime

### Does Image Enhancer Waifu2x Anime have ads?

No, Image Enhancer Waifu2x Anime is completely free with no advertisements or in-app purchases, offering an uninterrupted user experience.

### What is the update frequency for Image Enhancer Waifu2x Anime?

The app was last updated on June 24, 2025, indicating active development. Users can expect regular improvements and bug fixes.

### Is Image Enhancer Waifu2x Anime safe for children?

Yes, Image Enhancer Waifu2x Anime has an age rating of 4+, making it suitable for younger users. It also does not transmit user data.

### What devices does Image Enhancer Waifu2x Anime support?

Image Enhancer Waifu2x Anime is available for both iPhone and iPad, allowing users to enhance their illustrations on Apple mobile devices.

### How does Image Enhancer Waifu2x Anime compare to other AI art tools?

This app focuses on offline processing, privacy with no data transmission, and a completely free, ad-free experience, distinguishing it from cloud-based or subscription services.

### What technologies does Image Enhancer Waifu2x Anime use for enhancement?

The app utilizes advanced waifu2x and Real-ESRGEN technologies to deliver fast and high-quality image enhancements, effectively removing noise and increasing resolution.

### Can I use Image Enhancer Waifu2x Anime without an internet connection?

Yes, Image Enhancer Waifu2x Anime is designed as an offline tool, meaning you can enhance your illustrations without needing an active internet connection.

### What is the user sentiment for Image Enhancer Waifu2x Anime?

Based on the available data, Image Enhancer Waifu2x Anime has received a perfect 5.0-star rating from 5 reviews, indicating very positive user sentiment.

## Version history (last 5 releases)

### 2.5 — 2026-06-17

Light and Dark mode are now supported.

- The appearance automatically matches your device's Light/Dark setting
- You can also choose System, Light, or Dark manually from the Settings menu
- Refreshed the header design

If you have any feedback or requests, please feel free to contact us from "Contact" in the Settings menu.
Your voice helps us make the app better.

### 2.4 — 2026-06-16

몇 가지 문제를 수정하고 안정성을 개선했습니다.

- 결과 화면에서 다른 AI 모델을 바로 사용해 볼 수 있게 했습니다
- 특정 이미지를 처리하는 중에 앱이 종료되는 문제를 수정했습니다

의견이나 요청 사항이 있으시면 설정 메뉴의 '문의하기'를 통해 편하게 연락해 주세요.
여러분의 의견이 앱 개선에 큰 힘이 됩니다.

### 2.3 — 2026-06-11

디자인을 새롭게 변경했습니다

- iOS 26의 새로운 유리 디자인(Liquid Glass)에 대응했습니다
- 버튼이나 튜토리얼 등 조작 관련 외관을 개선했습니다

의견이나 요청 사항이 있으시면 설정 메뉴의 "문의하기"를 통해 언제든지 연락해 주세요.
여러분의 목소리가 앱 개선의 힘이 됩니다.

### 2.2 — 2026-06-08

사용자 여러분의 피드백을 바탕으로 개선했습니다.

- 이미지 확대 시 타일 경계선(그리드)이 눈에 띄는 문제를 수정했습니다.
- 더 큰 이미지에도 대응할 수 있도록 메모리 관리를 최적화했습니다.

의견이나 요청이 있으시면 설정 메뉴의 '문의하기'를 통해 언제든지 연락해 주세요. 여러분의 목소리가 앱 개선의 힘이 됩니다.

### 2.1 — 2026-04-13

We have improved the timing of review requests

- To make the app experience more comfortable, we have optimized the timing for displaying review requests.

Thank you for always using our app. If you don't mind, please leave a review of the app.

## Apps similar to Image Enhancer Waifu2x Anime

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [waifu2x](https://appshunter.io/ios/app/waifu2x/id1286485858) | 4.8 (934) | Free | Graphics & Design |
| [PQ+ AI Photo Enhancer](https://appshunter.io/ios/app/pq-plus-ai-photo-enhancer/id1634759826) | 4.5 (22) | Free | Graphics & Design |
| [ImageX - AI Photo Enhancer](https://appshunter.io/ios/app/imagex-ai-photo-enhancer/id1668530080) | 4.5 (54) | Free | Graphics & Design |
| [PixAI 4X - Enlarge Your Images](https://appshunter.io/ios/app/pixai-4x-enlarge-your-images/id6443815029) | 3.0 (4) | Free | Graphics & Design |
| [Yome2x - Photo Enhance](https://appshunter.io/ios/app/yome2x-photo-enhance/id1511677178) | 4.6 (267) | Free | Graphics & Design |
| [AI Photo Enhancer - Retake](https://appshunter.io/ios/app/ai-photo-enhancer-retake/id1625252745) | 3.8 (13) | Free | Graphics & Design |

## More apps by Tatsuaki Watanabe

- [AI Keyboard Spelling Grammar](https://appshunter.io/ios/app/ai-keyboard-spelling-grammar/id6446053238)
- [脱出ゲーム 猫屋敷からの脱出 新作 人気 謎解き パズル](https://appshunter.io/ios/app/id6468455183)
- [脱出ゲーム クラブ 新作人気謎解き ゲームメーカー 遊び放題](https://appshunter.io/ios/app/id6475080121)
- [Unicode Keyboard Type All Char](https://appshunter.io/ios/app/unicode-keyboard-type-all-char/id6738683082)
- [SnapStep: Daily Photo Walk](https://appshunter.io/ios/app/snapstep-daily-photo-walk/id6758812226)

All apps by Tatsuaki Watanabe: https://appshunter.io/developer/898646263

## Related topics

[image enhancer waifu2x anime](https://appshunter.io/ios/topics/image-enhancer-waifu2x-anime) · [waifu2x](https://appshunter.io/ios/topics/waifu2x)

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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 2026-08-17.*