Comparison

Wallpaper Optimizer(WO) vs ilSang Pro

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

Head to head
About

Wallpaper Optimizer(WO)

Easily resize and customize photos to perfectly fit your device's wallpaper and widgets. Fix common issues like the parallax effect and create unique backgrounds with various filters and color options.

Highlights
  • Resize photos to fit screen
  • Fix parallax effect
  • Add color backgrounds
  • Transparent widget support
  • Blur effects
  • Extract image from video
Features
Read full description

What people say about Optimizer: This works perfectly. Adds a color background to make the image larger and reduce zoom. Also gives option of parallax or not. -Stephanie DeWitt works perfectly fine and is exactly what I needed for my photos! I recommend this app if you can't seem to get a full picture set as your wallpaper saves the struggle of screenshotting and trying to figure it a way The picture will fit your locks screen or home screen. Love it!!!!!! - Tmkristi Just happened upon this app while looking for fixes to the parallax problem and used it ONCE and it works PERFECTLY!! Definitely going to recommended this app to everyone! - Twitch*CFL Easy to fix the parallax effect when setting wallpapers. Great app! -Hannah B This is app is a life saver! It's easy to use and not complicated like other apps. This is the only thing that has helped me resize my pictures, and for that, thank you developers!! -Hillina_HabeshaGirl Do you have iOS Wallpaper trouble still? Now you can resize photo to fit screen with 'Background Optimizer for iPhone and iPad'. Now you can make your own awesome wallpapers easily! Main Features: * Two Layer Image * Save the image for Apple Watch(only available on iPhone) * Transparent Widget(only available on iPhone) * Image Move/Resize/Rotate * Save the image of Reduce Motion On/Off * Blur Effect(Border/Normal/Both) * Background Color palette and eyedropper * Awesome Pattern Filters * Barcode Generation * Help Center * Extract the image of video * All devices support * Share the image/video file from another app. Save Option: Perspective Zoom: On - Save the image for the parallax effect Perspective Zoom: Off - Save the image as you see

About

ilSang Pro

Capture stunning photos and videos with advanced manual controls and a variety of filters. Shoot in RAW format, record in different video modes, and edit your images with a comprehensive suite of tools. Perfect for enhancing your daily life memories.

Highlights
  • RAW and ProRAW support
  • Manual camera controls (Focus, ISO, Shutter, Temp, Tint)
  • Over 30 camera filters
  • Multiple aspect ratios for photos and videos
  • Video recording modes (time-lapse, slow-motion)
  • Comprehensive photo editing tools
  • Date Stamp printing
Features
Read full description

# 'ilsang' is called '일상' in Korean. It means 'daily life' in English. # Supports RAW shooting, character mode, and recording of various video modes. □ Manual mode + FOCUS, ISO, SHUTTER, TEMP, TINT □ Main function + Portrait mode + Supports Raw and ProRaw + More than 30 different camera filters + Aspect ratio[photo] 4:3, 1:1, 16:9, 2:3, 4:5 + Aspect ratio[video] 4:3, 1:1, 16:9 + Manual mode (save & load data) + Date Stamp printing + record video, time-lapse, slow-motion + EXIF & GPS data storage + Self mode + full resolution photo + Timer and flash function + Digital zoom 10x (up to 10x magnification) + Grid view (3x3, 6x8) + Photo edit - Crop & rotate - Filter - Exposure - Contrast - Saturation - Vibrance - Highlight - Shadow - Sharpen - Vignette - Blur - Hue - film Tone - Chromatic aberration - Technicolor - correct noise - Temp This app is designed to make good memories that in our daily lives prettier. Instagram Share #ilSang [ CONTACT ] e-mail : ilSangDevelop@gmail.com instagram : @ilsang_app

Screenshots

Wallpaper Optimizer(WO)4 screens
ilSang Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Wallpaper Optimizer(WO) at none against ilSang Pro's 1. Wallpaper Optimizer(WO) also leads on iOS requirement (12.3 vs 26.0). ilSang Pro's advantage is review sentiment (87% vs 58%). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Wallpaper Optimizer(WO) costs $2.99 and ilSang Pro $2.99 up front. ilSang Pro sells 1 one-off in-app purchase. Wallpaper Optimizer(WO) asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 6 level
Wallpaper Optimizer(WO) versus ilSang Pro: the parameters behind the verdict, then further details
ParameterWallpaper Optimizer(WO)ilSang Pro
Price$2.99$2.99
Rating—4.4 (57 ratings) — better
Positive reviews57.6% of reviews86.9% of reviews — better
Number of ratings—57 — better
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.3 — better26.0
Further details — not scored
Size11 MB40 MB
Age rating4+4+
DeveloperKhunG SystemByungHo Yu

Customer experience

Wallpaper Optimizer(WO)

Written reviews33 reviews
Positive57.6%
Neutral9.1%
Negative33.3%

ilSang Pro

All ratings57 ratings
Positive82.5%
Neutral8.8%
Negative8.8%
Written reviews61 reviews
Positive86.9%
Neutral4.9%
Negative8.2%

In-app purchases

None

Wallpaper Optimizer(WO)

No in-app purchases

1 purchases

ilSang Pro

One-time1
  • 폰트 추가$0.99

Questions

Is Wallpaper Optimizer(WO) free?
Wallpaper Optimizer(WO) costs $2.99, with no in-app purchases.
Is ilSang Pro free?
ilSang Pro costs $2.99, and also offers in-app purchases.
Do Wallpaper Optimizer(WO) or ilSang Pro have ads?
Neither Wallpaper Optimizer(WO) nor ilSang Pro shows ads.
Which is updated more often, Wallpaper Optimizer(WO) or ilSang Pro?
Wallpaper Optimizer(WO) ships an update fortnightly, and ilSang Pro fortnightly. Most recently, Wallpaper Optimizer(WO) was updated on October 21, 2026 and ilSang Pro on October 20, 2026.

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