Comparison

Wallpaper Optimizer(WO) vs MellowSnap

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

MellowSnap

This app helps you capture and edit photos with atmospheric filters and composition guides. Choose from various presets to enhance your shots before or after taking them, and fine-tune colors and effects for a natural look.

Highlights
  • Camera presets for different moods
  • Real-time filter preview
  • Composition guides (Rule of Thirds, Symmetry)
  • Built-in level for straight shots
  • Photo editing with mood filters
  • Before/after comparison view
  • Manual camera controls
Features
Read full description

MellowSnap is a snap camera and photo editor that lets you choose a mood and start shooting right away, or transform photos from your library with soft, atmospheric filters. Choose from Basic, Portrait, Food, Night, and Travel shooting presets to apply a filter, composition guide, aspect ratio, and exposure setting at once. Preview the mood before pressing the shutter, then use composition guides and the built-in level to capture more balanced photos. You can also import photos from your library, apply a variety of mood filters, and continue adjusting colors and effects. Compare the original and edited versions at a glance, then save or share your finished photo. Key Features Camera Coach Presets • Choose from Basic, Portrait, Food, Night, and Travel presets. • Preview the filter mood and final look before shooting. • Apply a matching filter, composition guide, aspect ratio, and exposure setting together. • Fine-tune filters, guides, and other settings after selecting a preset. Composition Guides and Level • Use composition guides including Rule of Thirds, Center, Symmetry, and Horizon. • Follow on-screen coaching tips to adjust subject placement and spacing. • Check the real-time level to keep your shots straight and balanced. Mood Filter Camera • Preview filters in real time while composing your shot. • Explore filters suited to portraits, food, travel, night scenes, and everyday moments. • Edit, share, or remove your latest photo directly from the capture review. Photo Editing • Import photos from your library and apply mood filters. • Adjust filters, enhancements, effects, eraser, aspect ratio, and export settings in one workflow. • Compare before and after using horizontal or vertical comparison views. • Add date and time styles to your photos. Manual Camera Controls • Easily adjust exposure, white balance, and focus. • Fine-tune camera settings to match your preferred tone and shooting environment. Pro Features • Apply the same filter to multiple photos with batch editing. • Save frequently used editing settings as custom recipes and share them with others. • Unlock all premium filters and advanced features with a one-time purchase. MellowSnap is designed for natural, soft colors rather than excessive editing. Capture everyday moments with ease and finish them in the mood that feels right to you.

Screenshots

Wallpaper Optimizer(WO)4 screens
MellowSnap4 screens

Verdict

The call

The clearest difference is price: MellowSnap at Free against Wallpaper Optimizer(WO)'s $2.99. MellowSnap also leads on review sentiment (100% vs 58%). Wallpaper Optimizer(WO)'s advantage is in-app purchases (none vs 1) and device support (3 vs 1). On update cadence and ads 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

MellowSnap is free to download; Wallpaper Optimizer(WO) costs $2.99 up front. MellowSnap sells 1 one-off in-app purchase. Wallpaper Optimizer(WO) asks for nothing beyond the download.

UpkeepUpdate frequency

Wallpaper Optimizer(WO) ships an update fortnightly, MellowSnap every 10 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Wallpaper Optimizer(WO) versus MellowSnap: the parameters behind the verdict, then further details
ParameterWallpaper Optimizer(WO)MellowSnap
Price$2.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews57.6% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.3 — better16.0
Further details — not scored
Size11 MB18 MB
Age rating4+4+
DeveloperKhunG SystemChanGyu Kang

Customer experience

Wallpaper Optimizer(WO)

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

MellowSnap

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews19 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Wallpaper Optimizer(WO)

No in-app purchases

1 purchases

MellowSnap

One-time1
  • MellowSnap Pro$3.99

Questions

Is Wallpaper Optimizer(WO) free?
Wallpaper Optimizer(WO) costs $2.99, with no in-app purchases.
Is MellowSnap free?
MellowSnap is free to download, with in-app purchases available.
Do Wallpaper Optimizer(WO) or MellowSnap have ads?
Neither Wallpaper Optimizer(WO) nor MellowSnap shows ads.
Which is updated more often, Wallpaper Optimizer(WO) or MellowSnap?
Wallpaper Optimizer(WO) ships an update fortnightly, and MellowSnap every 10 days. Most recently, Wallpaper Optimizer(WO) was updated on October 1, 2026 and MellowSnap on September 29, 2026.

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