Comparison

Überdoodle vs Liquid Is Fun

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

Head to head
About

Überdoodle

Relive nostalgic childhood fun with a classic spiral drawing tool. Create intricate patterns with virtual gears and a magic rainbow pen, or simply paint with your finger. Share your creations as wallpapers or send them to loved ones.

Highlights
  • Classic spirograph drawing tool
  • Create custom gears and rings
  • Multiple drawing modes
  • Import photos
  • Apple Pencil support
  • Draw hypotrochoids and epitrochoids
  • Various paper types and background colors
Features
Read full description

Thanks for all the amazing feedback - we just love to hear your thoughts, comments and ideas! Überdoodle: Remember the good old spirograph toy? Get nostalgic with this classic spiral drawing tool. Great for children too! The box contains lots of colorful gears, rings and pencils - including a MAGIC rainbow pen - and an unlimited supply of (virtual) paper! Draw beautiful patterns using the gears or simply paint directly on the paper using your finger. Share your doodles to family and friends - or save them and use them as beautiful wallpapers for your iPad, iPhone or iPod Touch. Features: • A Gear Factory where you can create custom gears and rings • Multiple drawing modes: calligraphy pen, celtic braids and multicolor gradients by selecting up to three pencils at the same time • Import photos from your Photo Library • Snap to previous drawing locations • Support for the Apple Pencil. Change calligraphy angle by tilting the pen. • Draw both hypotrochoids and epitrochoids (gears inside a ring or gears on the outside of another gear) • Different paper types and multiple background colors • Eraser and full undo/redo • Change the sizes of gears and rings

About

Liquid Is Fun

Immerse yourself in a calming liquid simulation. Interact with flowing, colorful fluids to create mesmerizing patterns and reduce stress. This app offers a visually soothing experience perfect for unwinding.

Highlights
  • Realistic liquid physics
  • Smooth fluid movement
  • Multiple colors and effects
  • Touch-based interaction
  • Stress relief visuals
Features
Read full description

Experience a beautiful and soothing liquid simulation designed to help you relax and unwind. Watch colorful fluids flow, bend, and transform as you interact with them. Every touch creates smooth ripples and mesmerizing shapes for a calming, almost meditative experience. Perfect for relaxing after a long day, reducing stress, or simply exploring the physics of digital fluids. Adjust settings, play at your own pace, and enjoy a visually immersive environment. Features: • Realistic liquid physics • Smooth, slow-motion fluid movement • Multiple colors and effects • Simple, touch-based interaction • Relaxing visuals for stress relief Enjoy watching liquids shift, swirl, and form new patterns every time you touch the screen. Terms of Use (EULA): https://www.apple.com/legalfinternet-services/itunes/dev/stdeula/

Screenshots

Überdoodle4 screens
Liquid Is Fun4 screens

Verdict

The call

The clearest difference is review sentiment: Überdoodle at 78% against Liquid Is Fun's 0%. Überdoodle also leads on rating (3.8 vs 1.0) and in-app purchases (none vs 1). Liquid Is Fun's advantage is price (Free vs $1.99) and update cadence (fortnightly vs every 3 months).

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

Liquid Is Fun is free to download; Überdoodle costs $1.99 up front. Liquid Is Fun sells 1 one-off in-app purchase. Überdoodle asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Überdoodle holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Überdoodle has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 78% of Überdoodle's written reviews are positive against 0% of Liquid Is Fun's.

UpkeepUpdate frequency

Überdoodle ships an update every 3 months, Liquid Is Fun fortnightly. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

Scorecard10 real differences · 0 level
Überdoodle versus Liquid Is Fun: the parameters behind the verdict, then further details
ParameterÜberdoodleLiquid Is Fun
Price$1.99Free — better
Rating3.8 (11 ratings) — better1.0 (1 ratings)
Positive reviews78.0% of reviews — better0.0% of reviews
Number of ratings11 — better1
Update frequencyEvery 3 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size20 MB6 MB
Age rating4+4+
DeveloperMorten Bek DitlevsenBhupesh Singh

Customer experience

Überdoodle

All ratings11 ratings
Positive72.7%
Neutral0.0%
Negative27.3%
Written reviews59 reviews
Positive78.0%
Neutral3.4%
Negative18.6%

Liquid Is Fun

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Überdoodle

No in-app purchases

1 purchases

Liquid Is Fun

One-time1
  • Premium User$3.99

Questions

Is Überdoodle free?
Überdoodle costs $1.99, with no in-app purchases.
Is Liquid Is Fun free?
Liquid Is Fun is free to download, with in-app purchases available.
Which has better reviews, Überdoodle or Liquid Is Fun?
Überdoodle is rated higher. Überdoodle averages 3.8 out of 5 from 11 ratings, while Liquid Is Fun averages 1.0 from 1 ratings.
Do Überdoodle or Liquid Is Fun have ads?
Liquid Is Fun shows ads; Überdoodle does not.
Which is updated more often, Überdoodle or Liquid Is Fun?
Überdoodle ships an update every 3 months, and Liquid Is Fun fortnightly. Most recently, Überdoodle was updated on October 11, 2026 and Liquid Is Fun on September 30, 2026.

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