Comparison

fluidity HD vs Fluidium

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

Head to head
About

fluidity HD

Experience a beautiful, real-time fluid dynamics simulation. Control the flow and colors of liquids with intuitive touch gestures. Unlock advanced features like ambient audio and video output through an in-app purchase.

Highlights
  • Real-time fluid dynamics simulation
  • Interactive touch controls
  • Stunning color customization
  • Ambient audio (in-app purchase)
  • Snapshot and video output (in-app purchase)
Features
Read full description

A beautiful interactive realtime fluid dynamics simulation, control fluid flow and stunning colours at the tips of your fingers. In-App purchase enables ambient audio, double tap screen to take a snapshot, settings storage, and menuless video out using VGA, Component or Composite cable.

About

Fluidium

Experience a mesmerizing world of living color and motion that responds to your touch. Create unique, breathtaking visuals, relax, explore creativity, or generate stunning videos and wallpapers.

Highlights
  • Interactive fluid simulation
  • 130+ factory presets
  • Custom preset design
  • 4 expressive brush types
  • HD video recording
  • Wallpaper generation
  • Smart Pause and Auto-Play modes
Features
Read full description

From the award-winning creator of Uzu comes Fluidium — a mesmerizing world of living color and motion at your fingertips. Watch as vibrant streams of light and liquid respond instantly to your touch, creating endlessly unique, breathtaking visuals. Whether you want to relax, explore creativity, or share dazzling videos, Fluidium turns your screen into a canvas of pure magic. Fluidium 2.0 expands that world with a redesigned interface, deeper creative control, and a new generation of effects — from Warp worlds and Particles to Mask shapes and richer Symmetry modes. Features: - 300+ stunning factory presets, organized into collections - Design, save, import, and export your own presets - Create and organize custom preset collections - Real-time interactive fluid simulation powered by Metal - Micro-presets for Fluid, Brush, Color, and Effects • Deep customization to fine-tune every detail • Expressive Warp effects: Radial, Tunnel, Horizon, Pillar, Planet, and Galaxy • Particles, Mask shapes, and advanced Symmetry modes • 4 expressive brush types, each with unique dynamics • Advanced reflection effects for immersive visuals • Auto-cycling color palettes and improved palette tools • Generate stunning wallpapers and background images • Smart Pause freezes the flow when you lift your fingers • Auto-Play mode for hands-free relaxation — choose which presets to cycle • Optimized quality settings for smooth performance on any device • One-time in-app purchase to unlock all features

Screenshots

fluidity HD1 screens
Fluidium4 screens

Verdict

The call

The clearest difference is rating: Fluidium at 5.0 against fluidity HD's 3.7. Fluidium also leads on update cadence (every 2 days vs every 2 months) and review sentiment (100% vs 73%). fluidity HD's advantage is ratings volume (124 vs 18) and iOS requirement (8.0 vs 17.6). On price, ads, in-app purchases and monetization model 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

Both are free to download. fluidity HD sells 1 one-off in-app purchase and Fluidium sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fluidium holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: fluidity HD has 124 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 73% of fluidity HD's written reviews are positive against 100% of Fluidium's.

UpkeepUpdate frequency

fluidity HD ships an update every 2 months, Fluidium every 2 days. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
fluidity HD versus Fluidium: the parameters behind the verdict, then further details
Parameterfluidity HDFluidium
PriceFreeFree
Rating3.7 (124 ratings)5.0 (18 ratings) — better
Positive reviews73.3% of reviews100.0% of reviews — better
Number of ratings124 — better18
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better17.6
Further details — not scored
Size24 MB270 MB
Age rating4+4+
Developernebulus designColordodge Labs

Customer experience

fluidity HD

All ratings124 ratings
Positive62.1%
Neutral12.1%
Negative25.8%
Written reviews165 reviews
Positive73.3%
Neutral6.7%
Negative20.0%

Fluidium

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

fluidity HD

Reported bugs

3 issues
  • Crashes on double-tap
  • Incompatible with newer iOS
  • Stuck finger gestures

Requested features

4 requests
  • Add music/ambient sound options
  • Ability to save/export creations
  • More customization controls
  • Support for latest iOS versions

Fluidium

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

fluidity HD

One-time1
  • Full Version Unlock$1.99
1 purchases

Fluidium

One-time1
  • Fluidium Pro Mode Unlock$4.99

Questions

Is fluidity HD free?
fluidity HD is free to download, with in-app purchases available.
Is Fluidium free?
Fluidium is free to download, with in-app purchases available.
Which has better reviews, fluidity HD or Fluidium?
Fluidium is rated higher. fluidity HD averages 3.7 out of 5 from 124 ratings, while Fluidium averages 5.0 from 18 ratings.
Do fluidity HD or Fluidium have ads?
Neither fluidity HD nor Fluidium shows ads.
Which is updated more often, fluidity HD or Fluidium?
fluidity HD ships an update every 2 months, and Fluidium every 2 days. Most recently, fluidity HD was updated on September 28, 2026 and Fluidium on September 24, 2026.

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