Comparison

Uzu, An Interactive Light Show vs Silk 2

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

Head to head
About

Uzu, An Interactive Light Show

Explore a generative design playground that combines math, physics, and art. Create dynamic light shows with interactive particle systems, customizable animations, and drawing modes. Experience endless possibilities for visual creation and interaction.

Highlights
  • Generative particle system
  • Real-time animation modes
  • Interactive 3D manipulation
  • Drawing mode
  • Microphone input response
  • Customizable presets
Features
Read full description

"This is doodling for digital natives . . . mind blowing." — Wired Magazine "Uzu for iPad is endlessly complicated, simply fun." — Ars Technica Uzu is a generative design playground — a math-physics-art toy for anyone who ever loved spirographs, fireworks, planetariums, lava lamps, light painting, kaleidoscopes, or graphing calculators. Touch the screen and watch thousands of particles swirl, spiral, and bloom in real time. Change the entire feel by simply changing how many fingers you use. Relax. Play. Meditate. Create wallpapers. Or lose yourself for an hour tweaking symmetry, animation modes, and effects. Uzu is endlessly deep and simply fun. Now completely rebuilt with a native Metal engine and a beautiful SwiftUI interface — smoother, richer, and more powerful than ever. FEATURES • Fully dynamic generative particle system • 21 animation modes for each touch count (0 through 10) • Rotational, translational, and reflective symmetry • 122 factory presets plus unlimited user presets • 10 visual effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Gradient, Pixelate, Scanlines, and Vignette • Export and import presets — save, share, and back up your creations • Fast preset switching, shake to hide the menu, adjustable quality settings • Freeze mode, microphone reactivity, and thousands of possible combinations • Create stunning backgrounds for iPhone and iPad ACCLAIM • Winner of Apple's "App of the Week" • Apple Rewind: Best Generative Art and Sound App • Reached #1 on the App Store • Featured in Apple's "App Store Essentials Hall of Fame" • Seen in the "Year of the iPad" video at the iPad keynote • Featured as an Apple Staff Favorite SUPPORT Questions or stories? We'd love to hear from you. jason@colordodge.com www.colordodge.com

About

Silk 2

Create stunning generative art with a magical brush. Easily design mandalas, wallpapers, and flowing visual patterns with simple finger gestures. This app is perfect for both artists and beginners to express their creativity.

Highlights
  • Magic brush for flowing art
  • Create mandalas and wallpapers
  • High-resolution export
  • Rainbow color and new palettes
  • Apple Pencil and 3D Touch support
  • Original music and sound
Features
Read full description

Draw beautiful flowing art with Silk. With Silk's award-winning magic brush, anyone can be an artist. Featured by Apple as one of their favorite apps. Relax, express yourself, and create mandalas and wallpapers. With the swish of a finger, Silk strands mingle and fuse, weaving together into wonderful works of art. Silk supports all iPhones and iPads, is enhanced for 3D touch, and specifically designed for the Apple Pencil. Buy once, run everywhere! "I can't believe even someone like me can create something cool looking in this thing. That's amazing!" ~ nickknw "Awesome! All I can think is woahdude." ~ MayhemMark - The official app of the award-winning website weavesilk.com, with millions of users - High-resolution export for poster prints or wallpapers - Eraser, a rainbow color, many new color palettes - Optimized for larger iPhones, iPad, and iPad Pro - Support for the Apple Pencil and 3D touch - Great for artists and non-artists alike - Cross-platform: play on your iPhone/iPod touch, iPad, and iPad Pro - Original music and sound created for Silk - Create gorgeous wallpapers with the swish of a finger. The creature sketch in the iPhone screenshots was drawn by Oliver Wetter (www.fantasio.info) and the silk eye was drawn by Daniel Coonfield.

Screenshots

Uzu, An Interactive Light Show4 screens
Silk 24 screens

Verdict

The call

The clearest difference is chart position: Silk 2 at #31 against Uzu, An Interactive Light Show's unranked. Silk 2 also leads on ratings volume (909 vs 265) and price ($2.99 vs $3.99). On rating, review sentiment, 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

Uzu, An Interactive Light Show costs $3.99 and Silk 2 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Uzu, An Interactive Light Show against 4.7 for Silk 2. Both are backed by a comparable volume of ratings — 265 and 909 respectively. Written reviews split almost evenly too, at 91% and 92% positive.

UpkeepUpdate frequency

Uzu, An Interactive Light Show ships an update every 2 months, Silk 2 monthly. Both last shipped on November 1, 2026.

Scorecard4 real differences · 7 level
Uzu, An Interactive Light Show versus Silk 2: the parameters behind the verdict, then further details
ParameterUzu, An Interactive Light ShowSilk 2
Price$3.99$2.99 — better
Rating4.8 (265 ratings) — better4.7 (909 ratings)
Positive reviews91.1% of reviews91.9% of reviews — better
Number of ratings265909 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#31 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.69.1 — better
Further details — not scored
Size16 MB23 MB
Age rating4+4+
DeveloperColordodge LabsYuri Vishnevsky

Customer experience

Uzu, An Interactive Light Show

All ratings261 ratings
Positive95.0%
Neutral2.3%
Negative2.7%
Written reviews369 reviews
Positive91.1%
Neutral4.1%
Negative4.9%

Silk 2

All ratings899 ratings
Positive93.2%
Neutral2.8%
Negative4.0%
Written reviews297 reviews
Positive91.9%
Neutral4.7%
Negative3.4%

User reviews

Uzu, An Interactive Light Show

From 265 App Store ratings

What we love

  • 👍 Mesmerizing visuals
  • 🎨 Endless creative possibilities
  • 💡 Great for relaxation and meditation
  • 🎨 Impressive color and pattern generation
  • 👍 Fun and engaging for all ages

Room to improve

  • 🐛 Crashes and stability issues on some devices
  • 🔧 Limited customization options
  • 🔧 Lack of music/sound integration
  • 🔧 Outdated UI on newer iPads

Silk 2

From 909 App Store ratings

What we love

  • 🌟 Relaxing and calming experience
  • 🎨 Allows for creative expression
  • 👍 Easy to use and intuitive interface
  • 💫 Produces beautiful and mesmerizing artwork
  • 🧘‍♀️ Helps with anxiety and stress relief

Room to improve

  • 🖌️ Limited drawing tools and customization options
  • 🖼️ No option to change background color
  • 💾 Inability to save or load previous creations
  • 🔍 Unclear instructions or guidance for some features

Bugs and requests

Uzu, An Interactive Light Show

Reported bugs

3 issues
  • Crashes on iOS 4.2 and newer
  • Menu controls not working on iPad Pro
  • Screenshot feature not functioning properly

Requested features

5 requests
  • Add music/sound reactive features
  • Implement full-screen mode without UI
  • Introduce more advanced preset options
  • Add ability to save and share custom presets
  • Optimize performance for latest iPad models

Silk 2

Reported bugs

2 issues
  • Occasional app crashes or freezes
  • Compatibility issues with certain devices

Requested features

4 requests
  • Add more drawing tools and brushes
  • Implement background color selection
  • Allow saving and loading of artwork
  • Provide more detailed tutorials or instructions

In-app purchases

None

Uzu, An Interactive Light Show

No in-app purchases

None

Silk 2

No in-app purchases

Questions

Is Uzu, An Interactive Light Show free?
Uzu, An Interactive Light Show costs $3.99, with no in-app purchases.
Is Silk 2 free?
Silk 2 costs $2.99, with no in-app purchases.
Which has better reviews, Uzu, An Interactive Light Show or Silk 2?
Uzu, An Interactive Light Show is rated higher. Uzu, An Interactive Light Show averages 4.8 out of 5 from 265 ratings, while Silk 2 averages 4.7 from 909 ratings.
Do Uzu, An Interactive Light Show or Silk 2 have ads?
Neither Uzu, An Interactive Light Show nor Silk 2 shows ads.
Which is updated more often, Uzu, An Interactive Light Show or Silk 2?
Uzu, An Interactive Light Show ships an update every 2 months, and Silk 2 monthly. Most recently, Uzu, An Interactive Light Show was updated on November 1, 2026 and Silk 2 on November 1, 2026.

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