Waller 4K vs RetouchAI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Waller 4K
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Waller 4K - Wallpapers Waller 4K provides you with a diverse and impressive collection of high-quality 4K images and videos to use as wallpapers for your device. With Waller 4K, you'll have access to thousands of artworks, stunning nature sceneries, and unique designs, neatly organized into various categories. You can select your favorite wallpapers to set as your home screen and lock screen. The free version of Waller 4K offers a wide range of wallpapers. To access the "Pro" collections and categories, you'll need to upgrade to the paid version. Waller 4K also offers fantastic features such as: - Download and store 4K images and videos on your device - Share your favorite creations on social media - Discover newly added collections - User-friendly design, runs smoothly on mobile devices Personalize and refresh your device's look with Waller 4K - the high-quality wallpaper app loved by users. Download it now and experience a new way to express yourself! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RetouchAI
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RetouchAI is your ultimate AI-powered photo editing app, designed to help you create and enhance images with ease. Whether you're a casual creator or a professional, RetouchAI offers cutting-edge tools to elevate your visual content. Effortlessly generate stunning images from text prompts, extend your photos with seamless outpainting, refine details with precision inpainting, and remove unwanted objects using the erase feature. Start with 5 free credits to explore these advanced tools. When you're ready for more, you can easily purchase additional credits in-app to unlock the full potential of RetouchAI and keep creating high-quality results.
Screenshots
Verdict
The clearest difference is update cadence: Waller 4K at every 2 weeks against RetouchAI's monthly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Waller 4K sells 2 in-app purchases, starting at $2.99 per 7 days and RetouchAI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Waller 4K ships an update every 2 weeks, RetouchAI monthly. The most recent releases landed on October 9, 2026 and October 27, 2026 respectively.
| Parameter | Waller 4K | RetouchAI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks โ better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 โ better | 13.4 |
| Further details โ not scored | ||
| Size | 67 MB | 40 MB |
| Age rating | 17+ | 4+ |
| Developer | Nguyen Khac Tiep | David Fernandez |
In-app purchases
Waller 4K
- Weekly Plan$2.997 Days
- Yearly Plan$19.991 Year
RetouchAI
- 10 AI Tokens$4.99
- 20 AI Tokens$8.99
- 30 AI Tokens$12.99








