Comparison

Spirograph Drawing vs 1/2 Gallery

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

Head to head
About

Spirograph Drawing

Features
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Create mesmerizing spirograph patterns with full control over four parameters: β€’ Inner Circle Radius – size of the fixed inner circle β€’ Outer Circle Radius – size of the rolling outer circle β€’ Pen Distance – distance of the virtual pen from the center of the outer circle β€’ Drawing Amount – how much of the roulette to draw (0–100%) β€’ All patterns are automatically centered on the canvas for optimal display. Perfect for designers, illustrators, educators, or anyone who loves math-inspired art. Patterns are based on the mathematical concept of a Hypotrochoid, allowing endless creative possibilities. Features: β€’ Adjustable colors and parameters for infinite variations β€’ Interactive real-time drawing β€’ High-quality SVG export for scalable vector graphics β€’ Intuitive sliders for precise control β€’ Ideal for digital art, educational purposes, or personal projects Unleash your creativity and explore the beauty of math-inspired designs today!

About

1/2 Gallery

Features
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This app features eight interactive art pieces created with Swift, blending technology and creativity into immersive experiences. The space is divided into two distinct rooms: the light room, where vibrant colors and rhythmic movements engage the senses, and the dark room, offering a serene atmosphere that evokes tranquility and freedom.

Screenshots

Spirograph Drawing4 screens
1/2 Gallery3 screens

Verdict

The call

The clearest difference is price: 1/2 Gallery at Free against Spirograph Drawing's $9.99. Spirograph Drawing's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17). On ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

1/2 Gallery is free to download; Spirograph Drawing costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences Β· 3 level
Spirograph Drawing versus 1/2 Gallery: the parameters behind the verdict, then further details
ParameterSpirograph Drawing1/2 Gallery
Price$9.99Free β€” better
Update frequencyEvery 24 monthsβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS14.0 β€” better17
Further details β€” not scored
Size0 MB6 MB
Age rating4+4+
DeveloperWu Huangθ•΄ζž« 徐

In-app purchases

None

Spirograph Drawing

No in-app purchases

None

1/2 Gallery

No in-app purchases

Questions

Is Spirograph Drawing free?
Spirograph Drawing costs $9.99, with no in-app purchases.
Is 1/2 Gallery free?
1/2 Gallery is free to download, with no in-app purchases.
Do Spirograph Drawing or 1/2 Gallery have ads?
Neither Spirograph Drawing nor 1/2 Gallery shows ads.

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