Comparison

Wallpaper Optimizer(WO) vs SecondPhoto

Price, ratings, monetisation and update history for both apps, side by side β€” 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

SecondPhoto

Organize and secure personal photos and videos in a separate library. Features include PIN lock, decoy mode, file renaming, and watermarking. Sync across devices with iCloud.

Highlights
  • Separate photo library
  • Album organization
  • File renaming and editing
  • PIN lock and decoy mode
  • Location/EXIF data removal
  • In-app camera
  • Watermarking
  • iCloud sync
Features
Read full description

SecondPhoto is a second photo library for storing photos and videos separately from the default Photos app. Keep personal photos, work photos, and images you want to manage separately in a safe, organized space. Your Own Library: βˆ™ Store photos and videos separately inside the app. βˆ™ Organize important photos easily with albums. βˆ™ Rename files and make simple edits to keep your photos easier to manage. Security and Privacy: βˆ™ Protect your library with PIN lock. βˆ™ Use a Decoy PIN to open a separate mode that only shows selected albums. βˆ™ View and remove location data and EXIF information when needed. Capture and Record: βˆ™ Take photos directly inside the app and save them to your library. βˆ™ Add watermarks with date and location information for work photos. βˆ™ Turn on iCloud sync to keep using your library after switching devices. This app complies with Apple’s standard EULA. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Wallpaper Optimizer(WO)4 screens
SecondPhoto4 screens

Verdict

The call

The clearest difference is price: SecondPhoto at Free against Wallpaper Optimizer(WO)'s $2.99. SecondPhoto also leads on review sentiment (91% vs 58%) and update cadence (weekly vs fortnightly). Wallpaper Optimizer(WO)'s advantage is in-app purchases (none vs 2) and iOS requirement (12.3 vs 26.0). On ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

SecondPhoto is free to download; Wallpaper Optimizer(WO) costs $2.99 up front. SecondPhoto sells 2 in-app purchases, starting at $1.99 per month. Wallpaper Optimizer(WO) asks for nothing beyond the download.

UpkeepUpdate frequency

Wallpaper Optimizer(WO) ships an update fortnightly, SecondPhoto weekly. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

Scorecard6 real differences Β· 2 level
Wallpaper Optimizer(WO) versus SecondPhoto: the parameters behind the verdict, then further details
ParameterWallpaper Optimizer(WO)SecondPhoto
Price$2.99Free β€” better
Positive reviews57.6% of reviews90.9% of reviews β€” better
Update frequencyFortnightlyWeekly β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationPaidFreemium β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS12.3 β€” better26.0
Further details β€” not scored
Size11 MB66 MB
Age rating4+4+
DeveloperKhunG SystemPlum Co.

Customer experience

Wallpaper Optimizer(WO)

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

SecondPhoto

Written reviews11 reviews
Positive90.9%
Neutral9.1%
Negative0.0%

In-app purchases

None

Wallpaper Optimizer(WO)

No in-app purchases

2 purchases

SecondPhoto

Subscriptions2
  • SecondPhoto+ Monthly$1.991 Month
  • SecondPhoto+ Yearly$11.991 Year

Questions

Is Wallpaper Optimizer(WO) free?
Wallpaper Optimizer(WO) costs $2.99, with no in-app purchases.
Is SecondPhoto free?
SecondPhoto is free to download, with in-app purchases available.
Do Wallpaper Optimizer(WO) or SecondPhoto have ads?
Neither Wallpaper Optimizer(WO) nor SecondPhoto shows ads.
Which is updated more often, Wallpaper Optimizer(WO) or SecondPhoto?
Wallpaper Optimizer(WO) ships an update fortnightly, and SecondPhoto weekly. Most recently, Wallpaper Optimizer(WO) was updated on November 11, 2026 and SecondPhoto on November 10, 2026.

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