Comparison

Waller 4K vs RetouchAI

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Waller 4K

Features
Read full description

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/

About

RetouchAI

Read full description

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

Waller 4K4 screens
RetouchAI4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

Waller 4K ships an update every 2 weeks, RetouchAI monthly. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

Scorecard1 real difference ยท 5 level
Waller 4K versus RetouchAI: the parameters behind the verdict, then further details
ParameterWaller 4KRetouchAI
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better13.4
Further details โ€” not scored
Size67 MB40 MB
Age rating17+4+
DeveloperNguyen Khac TiepDavid Fernandez

In-app purchases

2 purchases

Waller 4K

Subscriptions2
  • Weekly Plan$2.997 Days
  • Yearly Plan$19.991 Year
3 purchases

RetouchAI

One-time3
  • 10 AI Tokens$4.99
  • 20 AI Tokens$8.99
  • 30 AI Tokens$12.99

Questions

Is Waller 4K free?
Waller 4K is free to download, with in-app purchases available.
Is RetouchAI free?
RetouchAI is free to download, with in-app purchases available.
Do Waller 4K or RetouchAI have ads?
Neither Waller 4K nor RetouchAI shows ads.
Which is updated more often, Waller 4K or RetouchAI?
Waller 4K ships an update every 2 weeks, and RetouchAI monthly. Most recently, Waller 4K was updated on October 9, 2026 and RetouchAI on October 12, 2026.

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