Comparison

Pixel Resizer vs ShaderMania

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

Head to head
About

Pixel Resizer

Easily resize images to any custom pixel dimensions, up to 4000x4000. This tool is ideal for developers needing specific screenshot sizes for app stores, or for social media posts. Save presets for quick, simultaneous exports without lag.

Highlights
  • Custom pixel dimensions up to 4000x4000
  • Unlock aspect ratio constraints
  • Import, resize, and export images
  • Immediate export with no lag
  • Optional preset sizes for batch export
  • Ideal for Xcode developer screenshots
  • Supports Instagram, Facebook, and more
Features
Read full description

-Custom Scale images to any Exact Pixel Dimensions: Without the constraint of locked aspect ratios -ANY dimensions up to 4,000 x 4,000 pixels -Import -> Change Output Dimension Pixels -> Export -Immediate export of modified image(s) - no lag time -Optional Set of Preset Sizes that can be exported all at once -Works for any Custom Screenshot size needs -Best App for Xcode Developer Screenshots -Use for Instagram, Facebook, App Store, Selfies, and more! Xcode and iOS Developers now have the fastest tool for adjusting required iOS Developer Screenshots to the exact pixel dimensions they need to be for App Store Connect: All you have to do is set the dimensions to the correct pixel size and save as presets to export all screenshots at once if your app looks the same on all the screenshot size pixel ratios required for submission to the App Store.

About

ShaderMania

Create, edit, and share Metal shaders with a live coding environment and real-time preview. Explore a database of public and tutorial shaders, connect nodes to build complex effects, and export your creations. A physical keyboard is recommended for optimal use.

Highlights
  • Live coding of Metal fragment shaders
  • Real-time preview and playback
  • Node-based shader creation
  • Public shader database
  • Tutorial shaders with video links
  • Export shader output to PNG
  • Syntax checking and error display
Read full description

Create, edit, render, share, and learn Metal shaders with ShaderMania for iPad. ShaderMania is a visual Metal shader editor for iPadOS. Write fragment shaders with realtime preview and playback, organize shaders and images as nodes, connect shader inputs, expose parameters as sliders, and export rendered images. ShaderMania also includes a public shader library with examples and tutorial shaders, including links to explanation videos where available. ShaderMania is free to use. Optional tips are available if you want to support development. A physical keyboard is recommended for coding shaders on iPad. Features • Live Metal fragment shader editing with realtime preview and playback. • Visual node graph for shader and image nodes. • Connect shader nodes to build reusable shader chains. • Named shader input slots declared directly in shader source code. • Parameter annotations for sliders and live UI controls. • Realtime syntax checking, compiler errors, and warnings. • Render to custom resolutions and export PNG images. • Undo and redo for common node graph edits. Shader Library • Browse public shader examples and tutorial shaders. • Add shaders from the library to your own projects. • Upload useful, inspectable shader work to the public library.

Screenshots

Pixel Resizer4 screens

Verdict

The call

The clearest difference is price: ShaderMania at Free against Pixel Resizer's $2.99. ShaderMania also leads on review sentiment (100% vs 79%). Pixel Resizer's advantage is in-app purchases (none vs 3) and update cadence (every 2 months vs every 16 months). On 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

ShaderMania is free to download; Pixel Resizer costs $2.99 up front. ShaderMania sells 3 one-off in-app purchases. Pixel Resizer asks for nothing beyond the download.

UpkeepUpdate frequency

Pixel Resizer ships an update every 2 months, ShaderMania every 16 months. The most recent releases landed on October 26, 2026 and October 2, 2026 respectively.

Scorecard7 real differences · 4 level
Pixel Resizer versus ShaderMania: the parameters behind the verdict, then further details
ParameterPixel ResizerShaderMania
Price$2.99Free — better
Rating4.1 (14 ratings) — better—
Positive reviews78.6% of reviews100.0% of reviews — better
Number of ratings14 — better—
Update frequencyEvery 2 months — betterEvery 16 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
Best chart rank#116 — better—
DevicesiPhone, iPad, iPod — betteriPad, Mac
Requires iOS11.0 — better17.6
Further details — not scored
Size59 MB24 MB
Age rating4+4+
DeveloperBad Assassin GamesMarkus Moenig

Customer experience

Pixel Resizer

All ratings14 ratings
Positive71.4%
Neutral7.1%
Negative21.4%
Written reviews14 reviews
Positive78.6%
Neutral7.1%
Negative14.3%

ShaderMania

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pixel Resizer

No in-app purchases

3 purchases

ShaderMania

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99

Questions

Is Pixel Resizer free?
Pixel Resizer costs $2.99, with no in-app purchases.
Is ShaderMania free?
ShaderMania is free to download, with in-app purchases available.
Do Pixel Resizer or ShaderMania have ads?
Neither Pixel Resizer nor ShaderMania shows ads.
Which is updated more often, Pixel Resizer or ShaderMania?
Pixel Resizer ships an update every 2 months, and ShaderMania every 16 months. Most recently, Pixel Resizer was updated on October 26, 2026 and ShaderMania on October 2, 2026.

Other comparisons